Homework Statement
1lb = 4.45 N 1in = 2.54cm
Allegedly, a woman standing on a heel creates more pressure than an elephant standing on one foot. By my calculations, this may be as large as 4,597.7 lb/in^2, for a reasonably-sized woman. Convert this to Newtons per square-meter (N/m^2)...
Well, for #1 I think that the red car would have a greater force being that it's in motion with a v=20 mph and not a standstill like the blue car which has a net force=0.
For #2, again I think that the red car has a greater force because its velocity is greater than the blue car same as with...
Homework Statement
1. A red car with a velocity of 20mph north collides with a blue car that is stopped at a stoplight. On which car is the force greater?
2. A red car with a velocity of 25mph north collides with a blue car with a velocity of 15 mph north. Which one feels a greater force...