Question

Calculate the force required by a car to change its velocity from 300 metre per second 20 in 10 second the mass of the car is 1500 kg

Answer 1

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Secondary School Science 8+4 pts

Calculate the force required to impart to a car a velocity of 30m/s in 10 seconds starting from rest. The mass of the car is 1500 kg please give me the solution

Report by Diyanb8ub8ulakthi 29.12.2016

Answers

AqibkincsemSamaritan

When a car starts from the rest, its initial velocity is 0 and here its moving velocity is mentioned to be 30m/s.

So the difference in these two velocities is 30 – 0 = 30 m/s.

Hence, the acceleration of the car is calculated as this difference in velocities / time,

means here it is 30 / 10 = 3.

The formula for finding the force is acceleration x mass, i.e. 1500 x 3 = 4500 Newton.