What was the initial speed of a car if its speed is 40 m/s after 5 seconds of accelerating at 4 m/s2? A. 10 m/s B. 60 m/s C. 25 m/s D. 20 m/s

Several mountains together form a mountain . a few of these combined form a mountain system. several systems combined form a mountain , which can stretch thousands of miles in length.

The current in a hair dryer measures 11 amps. the resistance of the hair dryer is 12 ohms. what is the voltage?unit:

Suppose while hauling rocks, you accidentally drop one. it breaks apart in flat, planar sections. what type of rock did you just drop? 20 points