Calculating Change in Speed or Velocity
Physics
8th - 12th Grade
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Find the change in speed for the following word problem: A roller coaster car rapidly picks up speed as it rolls down a slope. As it starts down the slope, its speed is 4 m/s. But 3 seconds later, at the bottom of the slope, its speed is 22 m/s. What is its average acceleration?
4 m/s
18 m/s
22 m/s
26 m.s
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Find the change in speed for the following word problem: A cyclist accelerates from 0 m/s to 8 m/s in 3 seconds. What is his acceleration?
8 m/s
3 seconds
0 m/s
11 m/s
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the starting speed in the following word problem: A car advertisement states that a certain car can accelerate from rest to 70 km/h in 7 seconds. Find the car’s average acceleration.
o km/h
70 km/h
7 seconds
77 seconds
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Find the change in speed for the following word problem: A lizard accelerates from 2 m/s to 10 m/s in 4 seconds. What is the lizard’s average acceleration?
2 m/s
10 m/s
8 m/s
12 m/s
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the starting speed in the following word problem? If a Ferrari, with an initial velocity of 10 m/s, accelerates at a rate of 50 m/s/s for 3 seconds, what will its final velocity be?
10 m/s
50 m/s
40 m/s
60 m/s
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the final velocity in the following word problem? A car accelerates from 25 km/hr to 55 km/hr in 30 seconds. What is its acceleration?
25 km/hr
55 km/hr
30 km/hr
80 km/hr
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the final velocity in the following word problem? What is the deceleration of a bicycle that goes from 40m/s to 20m/s in 5 seconds?
40 m/s
20 m/s
5 seconds
60 m/s
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