1st Semester Exam Gen Physics

What is the formula to calculate speed?

• S = t/d
• S = d/t
• S = d x t
• S = t x d

At 60 seconds, how far had this object traveled? 

• 0 m
• 10 m
• 20 m
• 40 m

A car slows down from +32 m/s to +8 m/s in 4 s. The acceleration is 

• 6 m/s/s opposite the motion
• 2m/s/s in the direction of motion
• 8 m/s/s opposite the motion

A cheetah travels 75 m in 3 s. What is her velocity over the interval?

• 225 m/s
• 25 m/s 
• 0.04 m/s

What is the Total Energy at the bottom?

• 50 J

• 25 J

• 0 J

• 100 J

What is the KE half way down?

• 50 J

• 25 J

• 0 J

• 100 J

What is the GPE at the top?

• 50 J

• 25 J

• 0 J

• 100 J

The ability to do work

• Energy

• kinetic energy

• potential energy

• mechanical energy

This is the standard unit for measuring energy.

• Joules

• Newtons

• Matter

• Mass

"energy cannot be created nor destroyed"

• law of energy

• law of potential

• law of conservation of energy

• law of the eternal energy principle