Question

An object is thrown vertically upwards with a velocity of 20 ms-1. find
(1)the distance travelled by the object to reach the highest point.
(2)the time taken by the object to reach the highest point.
(take g=10m-1)​

Answer 1

Answer:

Given,

An object is vertically thrown upwards.....

Hence the following information are...

Initial velocity=20m/s

Final velocity=0m/s

*To find out,

1)Distance traveled by the object ,

2)Time taken by the object to reach the highest point..

Now-In case of vertical motion , acceleration due to the gravity is only the acceleration .

a) To use g=10m/s^2,

When proceeded further ,

20*2/2*10=20m

thus, the ball will attain the maximum height of 20m

b) v=u+at

0=20+(-10)t

-20=-10t

absolutely...t=2sec

.....................................................done...........................................................

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