Jayla99
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A boy and his skateboard have a combined mass of 65 kg what is the speed of the boy and skateboard if they have a momentum of 275 kg•m/s

Respuesta :

Let m = 65 kg, the mass of the boy and skateboard.
Let v = speed of the boy and skateboard.

The momentum is
P = mv = (65 kg)*(v m/s) = 275 (kg-m)/s²
v = 275/65 = 4.23 m/s

Answer:  4.23 m/s

Answer:

C  4.2m/s

Explanation:

glad i helped

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