Falling Behind in Studies? Join Our Performance Improvement Batch. Enroll For Free
One of our academic counsellors will contact you within 1 working day.
Click to Chat
1800-1023-196
+91-120-4616500
CART 0
Use Coupon: CART20 and get 20% off on all online Study Material
Welcome User
OR
LOGIN
Complete Your Registration (Step 2 of 2 )
An explosion breaks a rock into three parts in a horizontal plane. Two of them go off at right angles to each other. The first part of mass 1 kg moves with a speed of 12 ms–1 and the second part of mass 2 kg moves with 8 ms–1 speed. If the third part files off with 4 ms–1 speed, then its mass is - (1) 3 kg (2) 5 kg (3) 7 kg (4) 17 kg
(2)Using law of conservation of linear momentum
5kg is the answeru had to just use law of cons of linear momentumand solve equations to get the answer
Post Question
Dear , Preparing for entrance exams? Register yourself for the free demo class from askiitians.
points won -