amethystali123 amethystali123

05-05-2020
Physics

contestada

1. Calculate the velocity of a 0.8 kg kitten with a forward momentum of 5 kg*m/s.

2. The net forward force on the propeller of a 3.2 kg model airplane is 7 N. What is the acceleration of the airplane?
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naveedmashkoorraina naveedmashkoorraina

05-05-2020

Q.1

Answer . Momentum = mass x velocity

Momentum/mass = velocity

5/0.8 = velocity

6.25 m/s = velocity

Q.2

Answer . F = ma => a = f/m => a = 7/3.2 => a = 2.1875m/s²

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