Motions Test
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• Ben is exercising his pony on a large, oval track. The pony is trotting at a constant speed of 10 m/s around the track. Which statement can be made about the pony’s motion?
The pony is acceleration U6C2
Can the velocity of a car change when it’s speed is constant
Yes because speed + direction equals velocity. You could be moving at a constant speed but changing direction, thus the velocity changes U6C1
Describe the motion of a biker at A, B, C as shown by the distance vs time graph
A= moving at a constant speed B= not moving C= moving at a constant speed U2C1
What are the three ways an object can accelerate?
Change direction U6C2
• The Space shuttle is flying at 2.0 km/hr and lands on the runway. It then slows down to 0.5 km/hr. If this takes 0.25 hrs, what is your acceleration?
A= -6 km/hr 2 U6C2
• Explain the difference, in relation to speed, between positive and negative acceleration. Sketch and label a graph of each. Be sure label your axis
First on is distance U6C1
• A competitive go- cart driver is traveling 32 m/s. He sees a caution flag go up, so he slows the rate of -1.5/m/s in 10.8 s, what is the final velocity?
Given: A= -1.5 m/s Fine: Vf U6C1