If the mass of the planet is 10% less than that of earth and radius of the planet is 20% greater than that of earth then the weight of 40kg person on that planet is

see full answer

Talk to JEE/NEET 2025 Toppers - Learn What Actually Works!

Real Strategies. Real People. Real Success Stories - Just 1 call away

An Intiative by Sri Chaitanya

10 kg wt

25 kg wt

40 kg wt

60 kg wt

answer is B.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

Radius increased by 20%=RP=Re+20%Re==Re+20100Re=Re+0.2Re=1.2Re Mass decreased by 10%=MP=Me-10%Me==Me-10100Me=Me-0.1Me=0.9Me g=GMR2⇒gαMR2 ⇒gPge=MPMeReRP2=0.9MeMeRe1.2Re2=0.91.44=0.625 ⇒gP=0.625ge ⇒WP=0.625mge⇒WP=0.625×40ge=25kgwt

Watch 3-min video & get full concept clarity

Result Producing online coaching for JEE/NEET of south India

Largest All India Test Series for JEE/NEET

Best Online Course for IIT JEE

Best Online Course for NEET

Best Online Course for CBSE

Get Expert Academic Guidance – Connect with a Counselor Today!

Result Producing online coaching for JEE/NEET of south India

Largest All India Test Series for JEE/NEET

Best Online Course for IIT JEE

Best Online Course for NEET

Best Online Course for CBSE