June 2016 Physics Regents Questions 1-10 Question Preview (ID: 59809)

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Which quantity is a vector?

a) power

b) kinetic energy

c) speed

d) weight

A 65.0-kilogram astronaut weighs 638 newtons at the surface of Earth. What is the mass of the astronaut at the surface of the Moon, where the acceleration due to gravity is 1.62 meters per second squared?

a) 10.7 kg

b) 65.0 kg

c) 105 N

d) 638 N

When the sum of all the forces acting on a block on an inclined plane is zero, the block

a) must be at rest

b) must be accelerating

c) may be slowing down

d) may be moving at constant speed

The greatest increase in the inertia of an object would be produced by increasing the

a) mass of the object from 1.0 kg to 2.0 kg

b) net force applied to the object from 1.0 N to 2.0 N

c) time that a net force is applied to the object from 1.0 s to 2.0 s

d) speed of the object from 1.0 m/s to 2.0 m/s

A 100.-kilogram cart accelerates at 0.50 meter per second squared west as a horse exerts a force of 60. newtons west on the cart. What is the magnitude of the force that the cart exerts on the horse?

a) 10. N

b) 50. N

c) 60. N

d) 110 N

Sound waves are described as

a) mechanical and transverse

b) mechanical and longitudinal

c) electromagnetic and transverse

d) electromagnetic and longitudinal

An electrical force of 8.0 × 10^−5 newton exists between two point charges, q1 and q2. If the distance between the charges is doubled, the new electrical force between the charges will be

a) 1.6 × 10^−4 N

b) 2.0 × 10^−5 N

c) 3.2 × 10^−4 N

d) 4.0 × 10^−5 N

The magnitude of the total momentum of the two carts after the collision is

a) 1.0 kg • m/s

b) 2.0 kg • m/s

c) 3.0 kg • m/s

d) 5.0 kg • m/s

Which arrow best represents the direction in which friction acts on the ball at point P?

a) 1

b) 2

c) 3

d) 4

A magnetic field would be produced by a beam of

a) x rays

b) gamma rays

c) protons

d) neutrons

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