7. Calculations.

a. If an object has a mass of 20 kg and has a force of 100 N exerted on it, what would be its

acceleration? Show your work, including which formula you used!

A car from rest moves a distance s (m) in t second, where s=3t³+t²/4 determine (i) the initial acceleration of the car (ii) the acceleration of the car at the end of 3rd second

What are two ways to increase frictional force?

Which statement about the half-life of a radioactive sample is true? O It is an exact measure of the decay of an individual atom.

What happened to change people's views and lead them to believe in continental drift?

The human activities in two locations are described below: Location A: Wind turbines used for generating electricity Location B: Coal used to generate electricity Which statement is most likely true?

Which vocabulary term is survival of the fittest

An object weighs 32 newtons. What is its mass if a gravitometer indicates that g = 8.25 m/s2?

At what stage of a reaction do atoms have the highest energy? a. reactant stage b. product stage c. transition state stage d. The stage of highest energy depends on the atom.

A moon with a mass of 6.0 x 10 kg orbits about a planet with a mass of 5.0x 10^24 kg. They are 4.0 x 10^8 meters apart What is the gravitational force between them? The answer is 1.

What is the expression of the chemical composition of a compound?