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21-05-2020
Physics

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A dart with a mass of 0.5kg is thrown at 15m/s and sticks into a 1kg apple hanging on a string. What is the velocity of the dart and apple just after the dart is embedded?

with solution please :((

Respuesta :

isaacoranseola isaacoranseola

28-05-2020

Answer:

5m/s

Explanation:

From momentum conservation:

Momentum =mass × veloclty

Momentum before collision = momentum after collision

Given that mass of dart = 0.5kg, mass of apple = 1kg, velocity of dart = 1.5m/s, velocity of apple = 0m/s

(0.5×1.5)- (1×0) = ( 0.5+1)v

7.5-0 = 1.5v

7.5 = 1.5v

V = 7.5/1.5

V = 5m/s.

velocity of the dart and apple just after the dart is embedded is 5m/s

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