Question

Example 5.6: Find the acceleration due to gravity on a planet that is 10 times as massive as the Earth and with radius 20 times of the radius of the Earth (g=9.8 m/s).​

Answer 1

Answer:

Answer

Correct option is

A

4.9m/s

2

g∝

R

2

GM

So, g

p

=(

M

e

M

p

×(

R

p

R

e

)

2

)g

=2×(

2

1

)

2

g

=

2

g

=4.9 m/s

2

Answer 2

Answer:

Modern technology is the advancement of old technology with new additions and modifications. For example, it is impossible for the people in this decade to live with a wired telephone placed on the table. So, the mobile phone which can be taken with us anywhere is the perfect example of technological advancement or simply, modern technology. Any machine or device we see around us is the product of modern technology. It made things way easier than we could ever imagine.

Explanation:

thank you!!