Asked by Maddie
A car traveling at 72 km/hr hits a tree. the driver, who has a mass of 55.0 kg comes to a rest 0.10s after the impact.
What is the force that acts on the driver?
What is the force that acts on the driver?
Answers
Answered by
Steve
72 km/hr = 20 m/s
So, the deceleration is (20m/s)/(.1s) = 200m/s^2
Now the force F=ma, so ...
So, the deceleration is (20m/s)/(.1s) = 200m/s^2
Now the force F=ma, so ...
Answered by
bobpursley
I would solve it this way:
force*time=mass*changeinvelocity
force*time=mass*changeinvelocity
Answered by
no
8980
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