You dip your finger into a pan of water twice each second, producing waves with crests that are separated by 0.15 m. determine the frequency, period, and speed of these water waves.

Abicycle slows down when the rider applies the brakes. what type of energy transformation is involved in this example? a. kinetic energy into heat energy b. heat energy into potential energy c. potential energy into kinetic energy d. kinetic energy into mechanical energy

Acamcorder has a power rating of 20 watts. if the output voltage from its battery is 9 volts, what current does it use?

Consider two less-than-desirable options. in the first you are driving 30 mph and crash head-on into an identical car also going 30 mph. in the second option you are driving 30 mph and crash head-on into a stationary brick wall. in neither case does your car bounce off the thing it hits, and the collision time is the same in both cases. which of these two situations would result in the greatest impact force?