June 2017 Physics Regents Questions 1-10 Question Preview (ID: 59804)

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A unit used for a vector quantity is

a) watt

b) newton

c) kilogram

d) second

A displacement vector with a magnitude of 20. meters could have perpendicular components with magnitudes of

a) 10. m and 10. m

b) 12 m and 8.0 m

c) 12 m and 16 m

d) 16 m and 8.0 m

A hiker travels 1.0 kilometer south, turns and travels 3.0 kilometers west, and then turns and travels 3.0 kilometers north. What is the total distance traveled by the hiker?

a) 3.2 km

b) 3.6 km

c) 5.0 km

d) 7.0 km

A car with an initial velocity of 16.0 meters per second east slows uniformly to 6.0 meters per second east in 4.0 seconds. What is the acceleration of the car during this 4.0-second interval?

a) 2.5 m/s^2 west

b) 2.5 m/s^2 east

c) 4.0 m/s^2 west

d) 4.0 m/s^2 east

On the surface of planet X, a body with a mass of 10. kilograms weighs 40. newtons. The magnitude of the acceleration due to gravity on the surface of planet X is

a) 4.0 × 10^3 m/s2

b) 4.0 × 10^2 m/s2

c) 9.8 m/s^2

d) 4.0 m/s^2

A car traveling in a straight line at an initial speed of 8.0 meters per second accelerates uniformly to a speed of 14 meters per second over a distance of 44 meters. What is the magnitude of the acceleration of the car?

a) 0.41 m/s^2

b) 1.5 m/s^2

c) 3.0 m/s^2

d) 2.2 m/s^2

An object starts from rest and falls freely for 40. meters near the surface of planet P. If the time of fall is 4.0 seconds, what is the magnitude of the acceleration due to gravity on planet P?

a) 0 m/s^2

b) 1.3 m/s^2

c) 5.0 m/s^2

d) 10. m/s^2

If a block is in equilibrium, the magnitude of the block’s acceleration is

a) zero

b) decreasing

c) increasing

d) constant, but not zero

What is the angle of reflection?

a) 30.°

b) 60.°

c) 90.°

d) 120.°

An electric field exerts an electrostatic force of magnitude 1.5 × 10^−14 newton on an electron within the field. What is the magnitude of the electric field strength at the location of the electron?

a) 2.4 × 10^−33 N/C

b) 1.1 × 10^−5 N/C

c) 9.4 × 10^4 N/C

d) 1.6 × 10^16 N/C

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