June 2017 Physics Regents Questions 31-40 Question Preview (ID: 59807)

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What is the magnitude of the change in momentum of the cannonball during firing?

a) 0 kg•m/s

b) 8.0 × 10^2 kg•m/s

c) 8.0 × 10^3 kg•m/s

d) 8.0 × 10^4 kg•m/s

A spring stores 10. joules of elastic potential energy when it is compressed 0.20 meter. What is the spring constant of the spring?

a) 5.0 × 10^1 N/m

b) 5.0 × 10^1 N/m

c) 2.5 × 10^2 N/m

d) 5.0 × 10^2 N/m

The shaded area under the line represents the toy car’s

a) displacement

b) momentum

c) acceleration

d) speed

A ball is thrown with a velocity of 35 meters per second at an angle of 30.° above the horizontal. Which quantity has a magnitude of zero when the ball is at the highest point in its trajectory?

a) the acceleration of the ball

b) the momentum of the ball

c) the horizontal component of the ball’s velocity

d) the vertical component of the ball’s velocity

Which circuit diagram represents the correct way to measure the current in a resistor?

a) 1

b) 2

c) 3

d) 4

The height of a typical kitchen table is approximately

a) 10^−2 m

b) 10^0 m

c) 10^1 m

d) 10^2 m

The motion of the leaves results from electrons moving from the

a) leaves to the knob, only

b) knob to the leaves, only

c) leaves to the knob and then back to the leaves

d) knob to the leaves and then back to the knob

The quarks that compose a baryon may have charges of

a) 1

b) 2

c) 3

d) 4

A rubber block weighing 60. newtons is resting on a horizontal surface of dry asphalt. What is the magnitude of the minimum force needed to start the rubber block moving across the dry asphalt?

a) 32 N

b) 40. N

c) 51 N

d) 60. N

Which object has the greatest inertia?

a) A

b) B

c) C

d) D

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