M=5kg and a=7m/s whats force

A car has a velocity of 26 m/s and goes down to 8 m/s as it approaches traffic. Was the some sort of acceleration? Your answer: Yes No Maybe so

Sensible heat involves a change in which aspect of a substance?

Even though you are getting closer to the sun as you ascend into the toposphere, why does the temperature drop?

Which of these statements is correct about Newton's law on gravity? 1. It does not explain why objects exert gravitational force. 2. It does not describe the relationship between objects and forces. 3.

Which of the following planets most likely has the coldest surface temperature? A. Mercury B. Mars C. Saturn D. Venus

We often use a spoon to cool coffee by stirring. Some of the heat is conducted from the coffee to the air by this method, but the spoon itself will cool the coffee a little.

An electric current can be generated by moving a wire coil in a magnetic

Where is your diaphragm located? A. below your rib cage B. underneath your trachea C. above your lungs D. behind your heart

At 1 kilometer per year, how many centuries would it take for people to move from africa to china which is 10,000 kilometers away-

7. A locomotive is pulling 19 freight cars, each of which is loaded with the same amount of weight. The mass of each freight car (with its load) is 37,000 kg. If the train is accelerating at 0.