Question

A 2kg pumpkin is thrown with a velocity of 15m/s towards a

Answer 1

The force exerted on the pumpkin by

the wall is 600N.

HOW TO CALCULATE FORCE:

• The force exerted by the wall on the pumpkin can be calculated by multiplying the mass of the pumpkin by the acceleration.

• However, the acceleration of the pumpkin needs to be calculated by the following expression:

• a = (v - u)/t

Where;

1. a = acceleration (m/s²)
2. v = final velocity (15m/s)
3. u = initial velocity (0m/s)
4. t = time (0.05s)

• a = (15 - 0)/0.05

• a = 15/0.05

• a = 300m/s²

• F = 2kg × 300m/s²

• F = 600N

• Therefore, the force exerted on the pumpkin by the wall is 600N.

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