The thick fur of a polar bear is an adaptation that allows the bears to live successfully in its environment

t
f

How much force must a locomotive exert on a 12840-kg boxcar to make it accelerate forward at 0.490 m/s2?

Name three different units of energy used to measure heat and describe what type of situations each is usually used.

There are two-speed cameras, one in an are where the speed limit is 30 km/h and another where the speed limit is 50 km/h. in which will there be a smaller time interval between the photographs? explain your answer.