Problem 6. A 8 kg block is at rest on a horizontal floor. If you push horizontal

Question

Problem 6.
A 8 kg block is at rest on a horizontal floor. If you push horizontally on the 8 kg block with a force of 20 N, it just starts to move.

(a) What is the coefficient of static friction?

(b) A 10.0 kg block is stacked on top of the 8 kg block. What is the magnitude F of the force, acting horizontally on the 8 kg block as before, that is required to make the two blocks start to move?
Solution

Problem 7.
A car is accelerating at . Find its acceleration in .
Solution

Problem 8.
We drive a distance of 1 km at 16 km/h. Then we drive an additional distance of 1 km at 32 km/h. What is our average speed?
Solution

Problem 9.
An airliner reaches its takeoff speed of 163 mph in 36.2 s. What is the magnitude of its average acceleration.
Solution

Problem 10.
A car is initially traveling due north at 23 m/s.
(a) Find the velocity of the car after 4 s if its acceleration is due north.
(b) Find the velocity of the car after 4 s if its acceleration is instead due south.

Explanation / Answer

Refer Text book

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