If two forces are in the same direction then do they cancel each other out

Where does fusion regularly occur and what kind of energy is protected?

Which of the following chemical equations demonstrates that atoms are conserved during a chemical reaction?

A cheerleader lifts his 59.6 kg partner straight up off the ground a distance of 0.749 m before releasing her. The acceleration of gravity is 9.8 m/s 2 . If he does this 30 times, how much work has he done? Answer in units of J.

What is the average of the speed of light

Select the correct answer. What did Galileo discover when he dropped two cannon balls of different weights from the Leaning Tower of Pisa? A. The force acting on both of the balls was the same. B.

A sample of ancient granite crust is dated using potassium-40. Scientists find that 50% of the potassium-40 has decayed to form argon-40. Approximately how old is this rock?

A balloon is at a height of 81m and is ascending upwards with a velocity of 12m/s. A body of 2kg weight is dropped from it. If g=10m/s2, the body will reach the surface of the earth in how much time?

Which features do sound waves have the ocean and light waves do not

Select the statement that is true regarding scientific theories. A. Scientific theories are what laws are called before they are proven. B. Scientific theories attempt to explain why natural events occur. C.

If the temperature of the air in a certain region is increased by heating from the sun, does the air pressure at the ground increase or decrease?