New York State Regents Examination Physical Setting/Physics

1.A wagon on a level path near Skaneateles Lake has a mass of 3 kilograms. The net force on the wagon is 12 newtons. What is the wagon's acceleration?

2.A crate of apples on a loading dock in the Hudson Valley has a mass of 4 kilograms and slides at 3 meters per second. What is the crate's kinetic energy?

3.A cyclist on the Erie Canal trail keeps the same mass and doubles the speed. What happens to the cyclist's kinetic energy?

4.A wave moving across Cayuga Lake has a frequency of 5 hertz and a wavelength of 2 meters. What is the wave speed?

5.At a science fair in Syracuse, a heavier ball and a lighter ball are dropped from the same height at the same instant. Air resistance is ignored. Which statement describes how they land?

6.A 2-kilogram picnic basket sits on a ledge 3 meters above the trail at Letchworth. The gravitational field strength is 10 newtons per kilogram. What is the basket's gravitational potential energy relative to the trail?

7.A circuit in a classroom in Ithaca uses a 12-volt battery connected to a single 4-ohm resistor. What is the current in the resistor?

8.A student in Buffalo builds one series circuit and one parallel circuit, each with two resistors and a battery. Which comparison is correct?

9.Early in the morning at Battery Park, the Sun is in the east. A flagpole casts a shadow on the lawn. Which way does the shadow point?

10.At noon on a clear day in New York, a lamppost in Central Park casts a shadow on level ground. Which way does the shadow point?

11.A suitcase is already sliding at constant velocity on a level, perfectly smooth test belt at LaGuardia. Friction on the suitcase is zero. What net force keeps that velocity constant?

12.A 5-kilogram bag of flour at a bakery in Little Italy is weighed where the gravitational field strength is 10 newtons per kilogram. What is the bag's weight?

13.A walker on the Brooklyn Bridge covers 240 meters at a steady pace in 120 seconds. What is the walker's speed?

14.A subway train leaving Grand Central speeds up at a steady rate from 4 meters per second to 16 meters per second in 6 seconds. What is its acceleration?

15.A ferry crossing New York Harbor holds a steady speed of 8 meters per second for 40 seconds. How far does the ferry travel in that time?

16.A pebble is dropped from rest off a dock on Lake George. Air resistance is ignored, and the downward acceleration is 10 meters per second squared. How fast is the pebble moving after 3 seconds?

17.A key falls from rest from a window ledge in Albany. Air resistance is ignored, and the acceleration is 10 meters per second squared. How far does the key fall in 2 seconds?

18.A hockey puck on the ice in Buffalo has a mass of 0.2 kilograms and a speed of 15 meters per second. What is the puck's momentum?

19.On a level lab track in Rochester, a 2-kilogram cart moving at 4 meters per second sticks to a 2-kilogram cart at rest. Friction is ignored. What is their speed just after they stick?

20.A player in a gym in Queens pushes a basketball with a net force of 8 newtons for 0.25 seconds. What is the ball's change in momentum?

21.A dockworker in Red Hook pushes a crate 6 meters with a steady force of 25 newtons in the direction of motion. How much work does that force do?

22.A motor on a freight elevator in Syracuse does 2400 joules of work in 12 seconds. What is the power of the motor during that time?

23.A sled starts from rest at the top of a hill in the Adirondacks with 800 joules of gravitational potential energy. Friction is ignored. At a lower point the potential energy is 300 joules. What is the kinetic energy there?

24.A spring on a lab stand in Buffalo has a spring constant of 40 newtons per meter and is stretched 0.5 meters. What is its elastic potential energy?

25.A student in Ithaca pushes a book across a desk with a horizontal force of 7 newtons, but the book does not move. Static friction is the only other horizontal force. What is the net force on the book?

26.A rower on the Mohawk River pushes the water backward with an oar. Which statement matches Newton's third law for that push?

27.A 4-kilogram crate rests on a level warehouse floor in the Bronx. The gravitational field strength is 10 newtons per kilogram. What is the normal force from the floor?

28.Two students pull a wagon in Prospect Park along the same line. One pulls east with 30 newtons and the other pulls west with 18 newtons. What is the net force?

29.A position-time graph for a jogger on the Hudson River Greenway is a straight line. From 0 seconds to 10 seconds, the position changes from 0 meters to 40 meters. What is the velocity?

30.A velocity-time graph for a cart in a Yonkers lab is a horizontal line at 6 meters per second from 0 seconds to 5 seconds. What displacement does that interval show?

31.A velocity-time graph for a bike on a street in Syracuse is a straight line that rises from 2 meters per second to 14 meters per second in 4 seconds. What is the acceleration?

32.A buoy in New York Harbor bobs up and down with a frequency of 0.5 hertz. What is the period of the buoy's motion?

33.A pendulum clock in a museum in Albany has a period of 4 seconds. What is the frequency of the pendulum?

34.A wave along the shore at Jones Beach travels at 6 meters per second with a frequency of 2 hertz. What is the wavelength?

35.Two ripples cross a pond in Central Park with the same wavelength. The second ripple has a larger amplitude. What does the larger amplitude mean?

36.A student shakes a rope tied to a railing on the High Line. The wave travels along the rope while pieces of the rope move up and down. What kind of wave is this?

37.A coiled spring toy on a classroom floor in Rochester is pushed and pulled along its length, and compressions travel down the spring. What kind of wave is traveling along the spring?

38.A street musician in Washington Square plays a higher note on a flute, and the air in the park does not change. What changed in the sound wave that reaches a listener?

39.A drumline on Fifth Avenue plays the same note again, but louder. What increased in the sound wave?

40.A hiker shouts toward a cliff at Watkins Glen. The sound travels at 340 meters per second, and the echo returns in 2 seconds. How far is the cliff from the hiker?

41.A light ray hits a flat mirror in a hallway at Grand Central. The angle of incidence, measured from the normal, is 30 degrees. What is the angle of reflection from the normal?

42.A straw in a glass of lemonade at a stand in Coney Island looks bent at the surface of the drink. Why does the straight straw look bent?

43.A tower on Long Island sends a signal through empty space to a receiver. Which wave can carry that signal without a material to travel through?

44.A class in White Plains lists parts of the electromagnetic spectrum in order of increasing frequency. Which order is correct?

45.A train horn approaches a platform in Poughkeepsie and then moves away. What does a person standing on the platform hear?

46.Three resistors in a series circuit on a lab bench in Syracuse are 2 ohms, 3 ohms, and 5 ohms. What is the total resistance?

47.Two 6-ohm resistors are connected in parallel in a circuit in Albany. What is the equivalent resistance of the pair?

48.A series circuit in a classroom in New Paltz has a 12-volt battery and two resistors. The voltage across the first resistor is 5 volts. What is the voltage across the second resistor?

49.A parallel circuit in Yonkers is connected to a 9-volt battery. One branch carries 2 amperes and the other branch carries 1 ampere. What is the current from the battery?

50.A desk lamp in Ithaca draws 0.5 amperes from a 120-volt outlet. What is the electric power of the lamp?

51.A 4-ohm heating coil in a lab in Troy carries a current of 3 amperes. What is the electric power of the coil?

52.A wire in a model circuit at the New York State Fair carries 6 amperes for 10 seconds. How much charge passes a point in the wire?

53.A resistor in a flashlight on an Adirondack hike has 6 volts across it, and the current is 0.5 amperes. What is the resistance?

54.On a dry winter day in Albany, a wool hat is pulled off and the student's hairs stand apart from one another. What explains the hairs standing apart?

55.A compass near a straight wire in a lab in Queens points north until the wire carries a current. The needle then turns. Why does the needle turn?

56.A small fan motor on a counter in a Brooklyn bakery spins when current is in a coil near a magnet. What energy change is the motor built to make?

57.At a hydroelectric station near Niagara Falls, turbines spin coils in a magnetic field. What energy change happens in the generator?

58.In a museum model of Niagara Falls, 3 kilograms of water sit 20 meters above the river level. Use 10 newtons per kilogram. What is the gravitational potential energy of that water relative to the river?

59.A roller skate starts from rest at the top of a ramp in a park in Queens with 45 joules of gravitational potential energy. At the bottom, the potential energy is 5 joules. Friction is ignored. What is the kinetic energy at the bottom?

60.A 2-kilogram cart on a level track in a lab has 16 joules of kinetic energy. What is the cart's speed?

61.A delivery cart in Chinatown keeps the same speed while a second crate doubles its mass. How does the cart's kinetic energy change?

62.A bike on a level path in Central Park has 200 joules of kinetic energy. The brakes apply a backward force of 40 newtons, and that is the only horizontal force. How far does the bike travel before it stops?

63.A skater at Rockefeller Center speeds up from rest to 8 meters per second in 4 seconds at a steady rate. How far does the skater travel in that time?

64.A sign hangs at rest from two equal vertical ropes in a shop in Saratoga Springs. The sign weighs 50 newtons, and the ropes share the load equally. What is the upward force from each rope?

65.A box weighing 40 newtons sits on a loft floor in SoHo. The bottom face has an area of 0.2 square meters. What pressure does the box exert on the floor?

66.A stone from the Hudson riverbed has a mass of 90 grams and a volume of 30 cubic centimeters. What is the density of the stone?

67.A block of wood in a classroom tank beside the Hudson has a density less than the density of the water. The block is held fully underwater and then released. What does the block do?

68.A brick held underwater in a lab tank displaces 0.002 cubic meters of water. Water has a density of 1000 kilograms per cubic meter, and the field strength is 10 newtons per kilogram. What is the buoyant force on the brick?

69.A 0.5-kilogram pot of soup in Queens has a specific heat of 4000 joules per kilogram per degree Celsius. Its temperature rises by 2 degrees Celsius, and no heat is lost. How much heat was added?

70.A motor lifting crates at a dock in Brooklyn uses 500 joules of electric energy and does 400 joules of useful work. What is the efficiency?

71.A ramp in a barn in the Hudson Valley raises a 3-kilogram cart by 2 meters. Friction is ignored, and the field strength is 10 newtons per kilogram. How much work is done against gravity?

72.A carousel horse in Central Park moves in a circle at constant speed. Which statement about the horse is correct?

73.A 2-kilogram puck on a frictionless table is kept in a circle of radius 1 meter by a string. The speed is 3 meters per second. What is the inward force from the string?

74.A runner in Prospect Park keeps the same mass and cuts the running speed in half. How does the runner's kinetic energy change?

75.A dog in Central Park runs 30 meters east and then 10 meters west. What is the dog's displacement?

76.A dog on a path in Riverside Park runs 30 meters north and then 10 meters south, and the whole trip takes 20 seconds. What is the average speed?

77.A boat on the Hudson heads north at 3 meters per second relative to the water. The current is 4 meters per second east. What is the boat's speed relative to the shore?

78.A ball rolls horizontally off a ledge 20 meters above the water at a pier on the East River. The horizontal speed is 4 meters per second. Air resistance is ignored, and the vertical acceleration is 10 meters per second squared. How far from the ledge does the ball land, measured horizontally?

79.Two balls leave a dock on the New York shore of Lake Champlain from the same height at the same instant. One is dropped and one is thrown horizontally. Air resistance is ignored. Which ball reaches the water first?

80.A rider stands in a subway car that brakes suddenly, and the rider lurches forward. Why does the rider lurch forward?

81.A museum display in Manhattan compares a hammer on Earth with the same hammer on the Moon. Which statement is correct?

82.An apple from a Hudson Valley orchard has a mass of 0.4 kilograms. At a site where the gravitational field strength is 10 newtons per kilogram, what is the apple's weight?

83.A 5-kilogram sled on level snow in Lake Placid is pulled forward with 40 newtons. Friction backward is 15 newtons. What is the acceleration of the sled?

84.A 10-kilogram crate slides across a warehouse floor in Long Island City. Kinetic friction is 20 newtons, and no other horizontal force acts. What is the acceleration?

85.A 40-kilogram student on skates in a gym in the Bronx is at rest and throws a 2-kilogram backpack forward at 4 meters per second relative to the floor. Friction is ignored. What is the student's velocity just after the throw?

86.Two carts on a frictionless track in Utica collide and bounce apart in an elastic collision. No outside horizontal force acts. Which quantities are the same before and after the collision?

87.A hiker climbing a fire tower in the Adirondacks gains 1500 joules of gravitational potential energy in 30 seconds. What is the average power against gravity?

88.A student holds a 20-newton stack of books still for 10 seconds in a library in Manhattan. How much mechanical work does the student do on the books during that time?

89.At a bike shop in Williamsburg, a mechanic pulls a wrench with 15 newtons. The force is perpendicular to the wrench at 0.2 meters from the bolt. What is the torque on the bolt?

90.A seesaw in a playground in Buffalo is balanced by itself at the center pivot. A 30-kilogram child sits 2 meters from the pivot. The field strength is 10 newtons per kilogram. How far from the pivot should a 40-kilogram child sit on the other side to balance the seesaw?

91.A sound wave passes from the air in a room into the glass of a window in a brownstone in Brooklyn. Which statement about the wave speed is correct?

92.A wave on a lake passes from deep water into shallow water and slows down. The frequency stays the same. What happens to the wavelength?

93.Two speakers at a concert in Forest Hills send out identical sound waves that meet crest to crest at a listener. How does that meeting compare with one of the waves alone?

94.Two identical ripples on a pond in Prospect Park meet so that a crest of one meets a trough of the other, and the water stays at the rest level at that point. What is that effect?

95.A singer in a stairwell on the Upper West Side holds a note that makes a window rattle with a large amplitude. What is the best description of that response?

96.In a vacuum, which pair of waves travels at the same speed?

97.A prism in a sunny window in Hudson splits sunlight into colors. How does blue light compare with red light?

98.A dancer stands 2 meters in front of a flat mirror in a studio in Manhattan. How far behind the mirror does the image appear?

99.Porch lights in Buffalo are wired in one series path. One bulb burns out and opens that path. What happens to the other bulbs?

100.Porch lights in Rochester are wired in parallel. One bulb burns out and opens only its own branch. What happens to the other bulbs?

101.A 12-volt battery in a lab in Potsdam is connected to a 2-ohm resistor and a 4-ohm resistor in series. What is the current in the circuit?

102.In a series circuit in Plattsburgh, the current is 2 amperes through a 4-ohm resistor. What is the voltage across that resistor?

103.A 9-volt battery in a shop in Saratoga Springs is connected to two resistors in parallel. What is the voltage across each resistor?

104.One branch of a parallel circuit in Glens Falls is a 3-ohm resistor with 9 volts across it. What is the current in that branch?

105.A 60-watt bulb in a lamp in Elmira is on for 20 seconds. How much electric energy does the bulb use?

106.A 1000-kilogram car on a test track near Newburgh slows from 20 meters per second to a stop. What is the magnitude of the car's change in momentum?

107.A book rests on a table in a cafe in Greenwich Village. Earth's gravity pulls the book downward. Which force is the Newton's third-law partner of that pull?

108.A tugboat on the Hudson exerts a forward force of 5000 newtons while moving at a steady 3 meters per second. What is the power output of that force?