Spring Semester Review Physical Science - 24

The graph represents the change in velocity of four cars over a period of10 hours. Which line represents the car with the greatest acceleration?

• A
• B
• C
• D

In this velocity vs. time graph, the person at section B ____.

• has zero acceleration
• has positive acceleration
• has negative acceleration
• Not enough information to determine

What does the slope of this graph tell you?

• velocity
• acceleration
• time
• distance

Which time interval has the greatest velocity?

• 0-1s
• 1-2 s
• 3-4 s
• 4-6 s

It took Aaron 1.75 hr to drive his car 160 km. What was his average speed?

• 0.01 km/hr
• 91.43 km/hr
• 280 km/hr

The upward force on an object falling through the air is ___.

• air resistance
• momentum
• inertia
• gravity

According to Newton's laws, for any object, the greater the force that's applied toit, the greater its ___ will be.

• inertia
• gravity
• acceleration
• size

As the mass of an object increases, its inertia will ___.

• decrease
• increase
• stay the same

What force is required to cause a car with mass of 1500 kg to accelerate at a rate of 3.5 m/s²?

• 428.57 N
• 51,450 N
• 9,187.5 N
• 5250 N

In the diagram below, a roller coaster car starts from rest and moves along thetrack. At what point does the roller coaster car have the greatest POTENTIAL energy?

• A
• B
• C
• D