Question

Saifullah, a young student, was enjoying a ride on a merry –go-round of diameter 30m in science city during NCSC-2021.During upward uniform circular motion, he felt himself more weightful than his actual weight and during downward motion, he felt himself lesser weight.57) Which is correct statement regarding the boy (A)He is at rest (B)He is moving with no acceleration (C)He is in accelerated motion (D)He is moving with uniform velocity


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Answer 1

Answer:

ok bye have a wonderful day for tomorrow

Answer 2

Answer:

Let the distance of his office be xk m and thr right time to reach office be t min

Time taken to reach office at 8km/hr = 60t+2.5

= 8x

(i)

Time taken to reach office at 10km/hr = 60x−5

=10x

(ii)

Subtracting (ii) from (i) we get,

60

7.5

= 8x −10x

60

7.5

=

40

5x−4x

x=

60

7.5×40

x=5km

Explanation:

I am a boy of class 10th