Two bodies having kinetic energy in the ratio 4 :   1 , are moving with same linear velocity. The ratio…

Two bodies having kinetic energy in the ratio 4: 1, are moving with same linear velocity. The ratio of their masses is
  1. 1: 2
  2. 1: 1
  3. 4: 1
  4. 1: 4

Solution

Kinetic energy, K.E=12mv2

⇒K.E∝mv2

⇒K.E1K.E2=m1v12m2v22

⇒41=m1×1m2×1

⇒m1:m2=4:1

Asked in: AP EAMCET 2021 (20 Aug Shift 2)

Practice more Work Power Energy questions on Aicharya