Which of these is not a characteristic of mammals? a. hair c. ectotherms b. large brain d. endotherms

What do you think car designers do if the damage caused by a crash test is too severe?

From 0 to 5 seconds john pushed a box 5 meters. from 5 to 10 seconds, paul pushed the same box another 5 meters. who did more work? a. john b. paul c. john and paul did the same amount of work.

Using the free-body diagram, calculate the net force acting on the sled. is the sled in a state of dynamic equilibrium?