A cart A of mass 50 g moving at a speed of 20 km/h hits a lighter cart B of mass 20 kg moving towardsd it at a speed of 10 km/h. The two carts cling to each other. Find the speed of the combined mass after the collision.

Question

Filo · Accepted Answer

Solution: This is an eample of inelastic collision. As the carts move towards each other, their momenta have opposite sign. If the common speed after the collision is v , momentum conservation gives

(50 k g) (20 k \frac{m}{h}) - (20 k g) (10 k \frac{m}{h}) = (70 k g) V

or

V = \frac{80}{7} k \frac{m}{h}

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Question Text	A cart A of mass 50 g moving at a speed of 20 km/h hits a lighter cart B of mass 20 kg moving towardsd it at a speed of 10 km/h. The two carts cling to each other. Find the speed of the combined mass after the collision.
Answer Type	Text solution:1
Upvotes	150

A cart A of mass 50 g moving at a speed of 20 km/h hits a lighter cart B of mass 20 kg moving towardsd it at a speed of 10 km/h. The two carts cling to each other. Find the speed of the combined mass after the collision.

Text solutionVerified