Answer:
12N
Explanation:
when a force is applied to a body but still stays at rest or moves at a constant speed , the frictional force is equal to the force applied
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Answer: speed = 446.4m/s
Explanation: 1000mph implies that 1000 miles / 1 hour.
But it has been given that 1mile = 1609m,
hence
1000 miles = 1000 * 1609 = 1,609,000m
And I hour = 3600s
Hence 1000mph = 1,609,000/ 3600
1000 = 446.4m/s
