PhysicsLAB NY Regents
June 2024, Part 1
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1. Which quantity is a vector?
 
2. What is the magnitude of the eastward component of the velocity of an airplane flying at 612 kilometers per hour in a direction 40.0° north of east?
 
3. A car, initially traveling at 25 meters per second, is uniformly brought to rest as the brakes are applied over a distance of 40. meters. The magnitude of the average acceleration of the car while braking is
 
4. A brick starts from rest and falls freely from the top of a building to the ground. As the brick falls, its acceleration
 
5. Which object has the greatest inertia?
 
6. An unbalanced force is always necessary to
 
7. Space probes launched from Earth send information back to Earth from space in the form of
 
8. A ball is thrown from level ground at an angle of 55° above the horizontal and lands on level ground. Neglecting friction, if the ball is thrown again at the same angle but with a larger initial speed, the ball will travel
 
9. A photon collides with an electron, as represented in the diagram below.
 
 
After the collision, the electron recoils and the photon is scattered in another direction with a longer wavelength than the incident photon. The increase in photon wavelength results because, during the collision, the photon 
 
10. What is the weight of a 60.0-kilogram student on the surface of Earth?
 
11. A 120-newton box is pulled by a 48-newton horizontal force across a horizontal surface at constant velocity. The coefficient of kinetic friction between the box and the horizontal surface is
 
12. Box A has a mass of 10. kilograms and is at rest on a shelf that is 1.5 meters above the floor. Box B has a mass of 20. kilograms and is at rest on a shelf that is 3.0 meters above the floor. Compared to box A, box B has a gravitational potential energy relative to the floor that is
 
13. A 0.10-kilogram yo-yo is whirled at the end of a length of string in a horizontal circular path of radius 0.80 meter at a speed of 6.0 meters per second. The magnitude of the centripetal acceleration of the yo-yo is
 
14. A 4.0-kilogram mass is initially at rest on a horizontal, frictionless surface. A constant 2.0-newton force to the east is applied to the mass for a 5.0-second interval. As a result of this action, the mass acquires a
 
15. A motor lifts a 1.2 × 104-newton elevator 9.0 meters in 15 seconds. The minimum power output of the motor is
 
16. A train blows its horn, which emits a uniform sound as the train approaches a stationary observer. The observer hears a sound that has a
 
17. A wood block is pulled at constant velocity across a horizontal wood floor. Which type of energy increases in this block-floor system as the block moves?
 
18. A total energy of 5.0 joules is used to move an electron from position A to position B in a uniform electric field. What is the potential difference between positions A and B?
 
19. A 0.14-kilogram lacrosse ball, traveling west at 17 meters per second, is brought to rest with a 0.21-kilogram lacrosse stick. If the force applied by the lacrosse stick on the ball is 220 newtons east, the force applied by the ball on the stick is
 
20. Four wires are tested for electrical conductivity. All the wires have the same length and the same cross-sectional area, but are made of different metals. Which wire has the highest conductivity at 20°C?
 
21. The angle of incidence for a ray of light striking a plane mirror is 20º. What is the angle between the incident ray and the reflected ray?
 
22. As shown in the diagram below, mass M slides across a level, frictionless surface with speed vi. The mass strikes a spring at position A, causing the spring to compress. When the mass is at position B, it is moving at a slower speed, vf.
 
 
Which statement best describes the energy conversion as the mass moves from position A to position B?
 
23. The diagram below shows a magnetic compass placed between unlike magnetic poles.
 
 
The north pole of the compass needle will point toward
 
24. Which circuit diagram contains a lamp that will not have current passing through it until switch S is closed?
 
25. The diagram below represents an electric circuit.
 
 
The equivalent resistance of the circuit is
 



 
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