Mcas Physics

The momentum of an object depends upon the object's ___________&_____________.  

• size and shape
• mass and veloctiy
• mass and energy

Tags

NGSS.HS-PS2-2

In any collision (crash) the ______ is ALWAYS constant

• total momentum
• total speed
• total velocity

Tags

NGSS.HS-PS2-2

A Falling Object has what kind of energy?

• Kinetic Energy
• Potential Energy
• Kinetic Energy and Potential Energy
• Neither

Find the Kinetic Energy of a 20 kg mass moving at a speed of 2 m/sec

• 40 J
• 40 m/sec
• 40 kg
• 50 J

An engine reaches its top speed from rest in 7.5 s. It is able to perform 250,000 J of work in that time.  How much power does this engine have in that time? 

• 0.00003 W
• 33,333 W
• 1,875,000 W
• 1873 W

Tags

NGSS.HS-PS3-2

If an action force is a golf club hitting a golf ball, then the reaction force is

• exerted on the golf ball
• exerted on the golf cart
• exerted on the golf club by the golf ball
• exerted by the squirrel that is hiding in the tree

Tags

NGSS.MS-PS2-1

The momentum of a truck traveling in a straight line at 25 m/s is 37,500 kg m/s. What is the truck's mass? 

• 937,500 kg
• 937,500 N
• 1,500 N
• 1,500 kg

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-2

A car starts from rest and accelerated to 30 m/s in 3 seconds. What was its rate of acceleration?

• 0.1 m/s²
• 10 m/s²
• 90 m/s²
• 33 m/s²

Tags

NGSS.HS-PS2-1

What type of motion is this? (pay attention to axis)

• At rest
• Constant velocity
• Constant acceleration

What type of motion is this (pay attention to axis).

• At rest
• Constant velocity
• Constant acceleration

Tags

NGSS.HS-PS2-1