The radius of the earth is reduced by `1%` with mass remaining the same. The escape velocity form the earth

Question

The radius of the earth is reduced by `1%` with mass remaining the same. The escape velocity form the earth

The radius of the earth is reduced by `1%` with mass remaining the same. The escape velocity form the earth
A. increases by `0.5%`
B. decreases by `11%`
C. remains the same
D. decreases by `0.5%`

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - a
`(Deltav_(e))/(v_(e))=-(1)/(2)(DeltaR)/(R)`
`=-(1)/(2)xx1%=-0.5" increases"`
`(Deltav_(e))/(v_(e))=-0.5%" increase."`

4 views Answered 2023-02-05 15:29