Answer to Question #74997 in Physics for Ahmed

Question

my first assignment here is are;
( A stone is trow veritically upwaed from the ground with a velocity of 40m/s calculate)
a. the maximum high reached.
b. the time taken to attain the maximum height.
c. the time to reach the ground.
d. the velocity reached half way to the maximum height.

the second question; an inclined plane 6meter has one end raise by two meter if the efficiency of this machine is 72%
a.what is the minimum effort require to raise the load of 100N of the plane.
b. what will be the effort if the plane is perfectly smooth.

Answer 1

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