Question

What will be the percentage change in the acceleration due to gravity of earth if its radius expand by 40% and mass decreases by 40%?​

Answer 1

Answer:

As per question final radius = 1.4 times initial radius

And final mass =1.8 times initial mass

Using proportionality we can write final g

s

=

1.96

1.8

times initial g

s

Thus acceleration due to gravity decrease by approximately 8.16%

So,C is a correct option.

Solve any question of

Answer 2

Answer:

As per question final radius = 1.4 times initial radius

And final mass =1.8 times initial mass

Using proportionality we can write final g

s

=

1.96

1.8

times initial g

s

Thus acceleration due to gravity decrease by approximately 8.16%