Semi-Final Remedial/Review: Physics

What happens to the velocity of a projectile as it moves upward? It will_____.

• decrease

• increase

• remain the same

• increase then decrease

Tags

NGSS.HS-PS2-1

What happens to a ball that is launched at a certain angle without gravity?

• still follow the curved path

• remains at rest

• increase its velocity as it moves upward

• follow a straight path upward

What kind of path is followed by a shuttlecock as it is being hit by the racket 2 meters above the ground?

• linear

• hyperbolic

• circular

• parabolic

What is the value of the acceleration due the earth's gravitational pull?

• 9.1 m/s

• 9.1 m/s^2

• 9.8 m/s

• 9.8 m/s^2

It is the curved path of the projectile

• horizontal

• distance

• trajectory

• height

It refers to the product of the mass of an object and its velocity.

• impulse

• momentum

• power

• energy

Tags

NGSS.HS-PS2-2

What is the unit of momentum?

• N

• J

• kg.m/s

• m/s

Tags

NGSS.HS-PS2-2

Which among the choices shows an impulse?

• A ball bouncing off the floor

• A kid pushing a grocery cart

• A car accelerating on a straight road

• A cyclist riding downhill

Tags

NGSS.HS-PS2-2

NGSS.HS-PS2-3

A 200 kg car moves 3 m/s north. (p = mv)

What will be the momentum of the car?

• 75 kg.m/s

• 500 kg.m/s

• 600 kg.m/s

• 1200 kg.m/s

Tags

NGSS.HS-PS2-2

The law of conservation of momentum states that _______

• it is always conserved in all situation

• only conserved in elastic collisions

• only conserved in perfectly inelastic collisions

• conserved when no external forces act on a system

Tags

NGSS.HS-PS2-2