June 2024 Physics Regents Questions 1-10 Question Preview (ID: 63453)

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Which quantity is a vector?

a) electric field

b) electric potential difference

c) electric charge

d) electric power

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?

a) 393 km/h

b) 469 km/h

c) 799 km/h

d) 952 km/h

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

a) 0.31 m/s^2

b) 0.63 m/s^2

c) 7.8 m/s^2

d) 16 m/s^2

A brick starts from rest and falls freely from the top of a building to the ground. As the brick falls, its acceleration

a) increases and its speed increases

b) increases and its speed is constant

c) is constant and its speed increases

d) is constant and its speed is constant

Which object has the greatest inertia?

a) a 0.10-kg baseball traveling at 30. m/s

b) a 70-kg sprinter traveling at 10. m/s

c) a 1000-kg car traveling at 50. m/s

d) a 2000-kg truck traveling at 20. m/s

An unbalanced force is always necessary to

a) keep a body at rest

b) keep a body moving with constant velocity

c) change the speed of a body

d) change the position of a body

Space probes launched from Earth send information back to Earth from space in the form of

a) mechanical waves

b) sound waves

c) longitudinal waves

d) electromagnetic waves

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

a) higher and the same distance horizontally

b) to the same maximum height and farther horizontally

c) both higher and farther horizontally

d) to the same maximum height and the same distance horizontally

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

a) loses energy to the electron

b) gains momentum from the electron

c) loses some speed

d) generates a magnetic field

What is the weight of a 60.0-kilogram student on the surface of Earth?

a) 0.164 N

b) 6.12 N

c) 60.0 N

d) 589 N

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