24. The tires of a car make 80 revolutions as the car reduces its speed from 90kph to 60kph. the tires have a diameter of 0.8m. If the car continues to decelerate at this rate, how much more time is required for it to stop? a. 28.95 s b. 12.44 s c. 19.30 s d. 21.49 s
24. The tires of a car make 80 revolutions as the car reduces its speed from 90kph to 60kph. the tires have a diameter of 0.8m. If the car continues to decelerate at this rate, how much more time is required for it to stop? a. 28.95 s b. 12.44 s c. 19.30 s d. 21.49 s
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![8. SITUATIONAL QUESTION
At t = 0, a grinding wheel has an angular velocity of 25 rad/s. It
has a constant angular acceleration of 32 rad/s2 until a circuit breaker
trips at t = 2.5 seconds. From then on, it turns through 423 rad as it
coasts to a stop at constant angular acceleration.
24. The tires of a car make 80 revolutions as the car reduces its speed
from 90kph to 60kph. the tires have a diameter of 0.8m. If the car
continues to decelerate at this rate, how much more time is required.
for it to stop?
a. 28.95 s
b. 12.44 s
c. 19.30 s
d. 21.49 s](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fbac34ac6-3d65-4e50-9287-0c644e660dec%2F2bab2c90-e3ff-403d-949e-b5ce3919b7cd%2Fa3039cj_processed.jpeg&w=3840&q=75)
Transcribed Image Text:8. SITUATIONAL QUESTION
At t = 0, a grinding wheel has an angular velocity of 25 rad/s. It
has a constant angular acceleration of 32 rad/s2 until a circuit breaker
trips at t = 2.5 seconds. From then on, it turns through 423 rad as it
coasts to a stop at constant angular acceleration.
24. The tires of a car make 80 revolutions as the car reduces its speed
from 90kph to 60kph. the tires have a diameter of 0.8m. If the car
continues to decelerate at this rate, how much more time is required.
for it to stop?
a. 28.95 s
b. 12.44 s
c. 19.30 s
d. 21.49 s
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