A small pebble breaks loose from the treadsof a tire with a radius of 34 cm.If the pebble’s tangential speed is 54 m/s,what is t
1 answer:
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Answer:
10.8s
Explanation:
Given parameters:
Force on the car = 3250N
Distance = 35m
Power = 11375W
Unknown:
Time taken = ?
Solution:
To solve this problem;
Power is the rate at which work is done
Power =
Work done = force x distance = 3250 x 35 = 123200J
Now;
11375 =
11375t = 123200
t = 10.8s