As waves get closer to a beach they . increase in length
decrease in height
decrease in energy
increase in energy

The passing of heat through a material while the material itself stays in place. a. radiation b. conduction c. convection

Given the position vector of the particle r(t)=(t+1)i+(t^2−1)j+2t k, find the particle's velocity and acceleration vectors at t=1

A2000 kg car is rounding a curve of radius 200 m on a level road. the maximum frictional force the road can exert on the tires of the car is 4000 n. what is the highest speed at which the car can round the curve?