A motorcycle increases its speed from 8 m/s to 30 m/s in 9 seconds. What is the acceleration of the motorcycle? (Please round to the nearest hundredth)
2.44 m/s2
what is the formula for acceleration?
(final velocity - initial velocity) / time
What is the acceleration of a baseball when its speed increases from 1 m/s to 25 m/s in 1 second?
24 m/s2
A car is driving at 60 m/s. After 7 seconds, it is traveling at 45 m/s. What is the acceleration of the car? (round to the nearest hundredth)
-2.14 m/s2
If an object is moving at a constant speed but changes its direction, is it accelerating?
yes
What is the change in velocity over time called?
acceleration
A walker travels at a speed of 3 miles per hour. If they walked for 24 hours straight, how much distance would they cover (in miles)?
72 miles
A man is walking at a velocity of 3 miles per hour to the west. A woman is walking at a velocity of 3 miles per hour to the east. Are they traveling at the same velocity?
No, because they are traveling in different directions.
If an object decreases its speed, is it accelerating?
yes
Mrs. Wimmer runs at a speed of 88 feet per second for 30 seconds. Mr. Christman runs at a speed of 89 feet per second for 28 seconds. Who runs the farthest distance?
Mrs. Wimmer. She will run 2,640 feet while Mr. Christman will only run 2,492 feet.
A chipmunk accelerations from 2 m/s to 10 m/s in 4 second. What is the chipmunk's average acceleration?
2 m/s
If an object increases its speed, is it accelerating?
yes
A car drives in a circle at a constant speed, is this car accelerating?
Yes, because it is changing its direction.
If an object is moving at a constant speed in the same direction, is it accelerating?
no
A plane is flying at 200 m/s. 30 seconds later, it is flying at 235 m/s. What is the acceleration of the plane? (round to the nearest hundredth)
1.17 m/s2
A woman runs 26.2 miles in 4 hours. What is her average speed in miles per hour?
6.55 miles per hour
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