If a small rock is dropped from a height of 3.1 m how fast will it be moving when it reaches the ground 0.80 seconds later

A car traveling with velocity v is decelerated by a constant acceleration of magnitude a. It travels a distance d before coming to rest. If its initial velocity were doubled, the distance required to stop would A) double as well.

When you are driving on an expressway you must remember that the greatest danger on expressway is what.

A car travels from Boston to Hartford in 4 hours. The two cities are 240 kilometers apart. What was the average speed of the car during the trip? A. 4 km/hour B. 36 km/hour C. 960 km/hour D. 60 km/hour

Which law of physics related fields and current? Snell's Law Coulomb's Law Ohm's Law Newton's Law of Gravitation

The men's world record for swimming 1500.0 m in a long course pool (as of 2007) is 14 min 34.56 s. At this rate, how many seconds would it take to swim 0.8500.850 miles (1 mi = 1609 m) ?

Which of the following descibes the refraction of a wave?

A 590-kg rocket is at rest on the launch pad. what upward thrust force is needed to accelerate the rocket uniformly to an upward speed of 28 m/s in 3.3 s?

Is work being done when a hiker puts on a bag

run at the same speed and in the same direction, and they both run for the same amount of time, what can you say about the distance they travel?

How can you show positive body languages with your mouth