2022: NY Regents - Physics

Which terms identify two scalar quantities?

A motorcyclist, initially traveling east at 15 meters per second, accelerates uniformly at a rate of 3.0 meters per second squared east to a velocity of 21 meters per second east. How far does the motorcyclist travel while accelerating?

A battery-powered electric motor is used to cause the wheels of a toy car to rotate. In this motor, there is a conversion of

A projectile is launched horizontally from a height of 65 meters with an initial horizontal speed of 35 meters per second. What is the projectile’s horizontal speed after it has fallen 25 meters? [Neglect friction.]

The diagram below represents two forces, F_1 and F_2, acting concurrently on a block sliding on a horizontal, frictionless surface.

Which statement describes the motion of the block?

The magnitude of an unbalanced force applied to a 4.0-kilogram crate is 10. newtons. If the magnitude of this applied unbalanced force is doubled, the inertia of the crate is

A 60.-kilogram man is pushing a 30.-kilogram lawn mower. Compared to the magnitude of the force exerted on the lawn mower by the man, the magnitude of the force exerted on the man by the lawn mower is

The diagram below represents a roller coaster car traveling counterclockwise in a vertical circle.

When the car is in the position shown, what are the directions of the centripetal force acting on the car and the velocity of the car?

An electric motor with a power rating of 6.48\times10^4 watts is used to raise an elevator weighing 2.80\times10^4 newtons at constant speed. What is the total time required for the motor to raise the elevator a vertical distance of 20.0 meters?

A person standing on a sidewalk hears the siren of an ambulance as it approaches, passes by, and goes away from the person. Compared to the frequency of the sound emitted by the siren, the frequency of the sound observed by the person during this event is

Which particles exhibit properties of waves in some experiments?

The direction of the electric field at a point in space is defined as the direction of the force exerted by the field on a

A net force of one newton will

The elongation of a spring will be quadrupled if the magnitude of the force elongating the spring is

The vector diagram below represents the path and distances run by a student in a cross-country race.

The displacement of the student from start to finish is

The diagram below shows the arrangement of three charged hollow metal spheres, A, B, and C. The arrows indicate the direction of the electric forces acting between the spheres.

What spheres have static charges of the same sign?

Two small charged spheres are located distance d from each other and experience an electrostatic force of attraction, F_e. If the magnitude of charge of each sphere is tripled and F_e is unchanged, what other change must have occurred?

Compared to the resistance of an aluminum wire at 20°C, the resistance of a tungsten wire of the same length and diameter at 20°C is approximately

How much energy is expended when a current of 5.00 amperes is in a 5.00 ohm resistor for 5.00 seconds?

The amount of electric current through an unknown resistor may be measured by connecting

Which phenomenon represents a wave spreading out behind a barrier as the wave passes by the edge of the barrier?

A 1.00 kilometer length of copper wire, A, with a cross-sectional area of 1.00\times{10^−4} meter squared has a resistance of 0.172 ohm at 20°C. Another copper wire, B, is half as long and has twice the cross-sectional area of wire A. What is the resistance of copper wire B at 20°C?

The magnitude of electric force exerted on a small positive charge located between two oppositely charged parallel plates is

An acoustic organ is a musical instrument with pipes. The oscillation of air molecules in the pipes of the organ produces sound waves that are

Which list identifies portions of the electromagnetic spectrum in order of increasing frequency?

A tuning fork is used to produce a sound wave having a frequency of 512 hertz. What is the wavelength of the sound wave in air at STP?

An amplified sound wave produced by an opera singer shatters a glass. Which phenomenon best explains this event?

The diagram below represents a wave traveling in a rope in the direction indicated.

Which arrow represents the motion of a particle at point P at the instant shown?

If several resistors are connected in series in an electrical circuit, the potential difference across each resistor

In medium X, light with a wavelength of 3.44\times10^−7 meters travels at 2.20\times10^8 meters per second. In medium Y, this light has a wavelength of 3.12\times10^−7 meter. What is the speed of this light in medium Y?

A nuclear reactor produces 2.7\times10^{16} joules of energy per year. How much mass is converted to energy by the reactor in one year?

The diagram below shows the initial charge and position of two identical conducting spheres on insulating stands.

If the spheres are brought into contact with each other and separated, sphere B will have a net charge of

An antimuon neutrino is a

The graphs below show the displacement of a certain particle in a medium versus time due to two periodic waves, A and B, traveling through the medium.

The superposition of the two waves will cause the particle of the medium to have a maximum displacement of

The diagram below represents a wire that is not part of a complete circuit, just above the poles of two magnets

Moving the wire downward between the poles in the direction shown in the diagram will

Which graph best represents the motion of an object traveling at a constant positive velocity?

A cannonball is fired with an initial velocity of 100. meters per second at an angle of 15.0° above the horizontal. What are the horizontal (v_x) and vertical (v_y) components of this velocity?

A 1200-kilogram car is moving at 10. meters per second when a braking force of 3000. newtons is applied. How much time is required to bring the car to rest?

Which graph best represents the relationship between the speed of light (f = 5.09\times10^{14} Hz) in a transparent medium and the absolute index of refraction of the medium?

A student uses a string to whirl a 0.25-kilogram mass in a horizontal circular path that has a 0.80-meter radius. If the magnitude of the centripetal force exerted on the mass with the string is 25 newtons, the speed of the mass is

A deuteron is formed by combining a proton and a neutron. The mass of a deuteron is 2.39\times10^−3 universal mass unit less than the combined masses of a proton and a neutron. This mass difference is equivalent to

A gravitational force of magnitude F exists between Earth and a satellite on Earth’s surface. The satellite is sent into orbit at a distance of three Earth radii above Earth’s surface, as shown in the diagram below.

What is the magnitude of the gravitational force between Earth and the satellite when the satellite is in orbit?

As part of an investigation on quantization, a student measured and recorded the mass of five identical containers, each holding a different number of pennies. The table shows the student’s data.

Based on the data, what is the most likely mass of one penny?

Which graph represents the relationship between the frequency and period of a wave?

What is the current in a conductor if 3.15\times10^{18} electrons pass a given point in the conductor in 10. seconds?

A particle with a charge of +3.0 nanocoulombs is placed in an electric field with a magnitude of 1500 newtons per coulomb. What is the magnitude of the electrostatic force exerted on the particle by the electric field?

The graph below represents the motion of an airplane that starts from rest and takes off from a straight runway.

Which quantity is represented by the slope of the graph?

The diagram below represents two horizontal platforms that are at different heights above level ground. A ball rolls off the taller platform with a horizontal speed of 15 meters per second and travels through the air, landing on the top of the shorter platform.

What is the total time the ball is in the air? [Neglect friction.]

Four mechanical waves are created in the same medium over the same time interval. Which diagram represents the wave that transfers the greatest amount of energy?

Which diagram represents a light ray increasing in speed as it travels from one medium to another?

To charge a cell-phone battery, 3.69\times10^3 coulombs of charge is moved through a potential difference of 3.70 volts. Calculate the maximum amount of electrical energy gained by the battery. [Show all work, including the equation and substitution with units.]

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Calculate the total current in the circuit. [Show all work, including the equation and substitution with units.]

Compare the power dissipated by the 110.-ohm resistor to the power dissipated by the 220.-ohm resistor

Calculate the vertical component of the ball’s initial velocity. [Show all work, including the equation and substitution with units.]

On the diagram in the Show Your Work space, draw an arrow originating at point P that represents the direction of the ball’s acceleration at point P.

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Based on your calculated value of the frequency of the emitted photon, determine its classification in the electromagnetic spectrum.

Calculate the angle of refraction as the light ray leaves the fused quartz at point O and enters the air. [Show all work, including the equation and substitution with units.]

Starting at point O and using a protractor and ruler, draw the refracted ray at the appropriate angle of refraction on the diagram in the Show Your Work space.

Compare the frequency of the light in fused quartz to the frequency of the light in air.