A 4,000-kg car traveling at 20m/s hits a wall with a force of 80,000 N and comes to a stop. What was the impact time?

1 answer:

7 0

Rate of change of momentum = impact force
(m*v-m*u)/t = F
4000*20/t = 80000 (note: v is zero as it stopped)
<span>soo, t = 1 sec</span>

You might be interested in

Greeley [361]

It shortens so that the tips reach faster

8 0

3 years ago

Sonbull [250]

Answer:

The child represented by a star on the outside path.

Explanation:

5 0

3 years ago

Gnoma [55]

Answer:

my method is guessing it works 50% of the time :)

Explanation:

4 0

3 years ago

Tcecarenko [31]

Strong nuclear force

8 0

3 years ago

oksian1 [2.3K]

It will slide for ever in the same direction, unless it hits an object! Please give me the brainlest answer1

7 0

3 years ago