With what force will a car hit a tree if the car has a mass of 3000 kg and it is accelerating at a rate of 2 m/s2?

6000N

1500 N

1000 N

300 N

How does the electric force between two charged particles change if the distance between them is increased by a factor of 3? a. it is reduced by a factor of 3 b. it is increased by a factor of 3 c. it is increased by a factor of 9 d.

Which of the following sources of energy is not renewable? wind energy wave energy solar energy

Average atomic must be calculated in order to analyze the total abundance of all the isotopes of that atom. O number O mass valence

What is the kinetic energy of a 10 kg ball moving at a rate of 2 m/s

According to the collision theory, all collisions do not lead to reaction. Which choice gives both reasons why not all collisions between reactant molecules lead to reaction? 1.

Which of the following has the least impact on the environment? A. solar power B. nuclear power C. fossil fuels D. hydroelectric power

Why is steel better to conduct sound than air? use the words density and compression in your answer

4. How does density affect refraction of a lightwave?

Kinetic friction is affected by the weight of the object. TrueFalse

How is the temperature related to the speed of the particles