A motorcycle and rider have a total mass equal to 300kg. The rider applies the brakes, causing the motorcycle to accelerate at a rate of - 5 m/s. what is the net force on the motorcycle?

If an object's mass is constant, what is its momentum proportional to? 1. Its velocity 2. Its weight 3. Its displacement 4. Its moment of inertia

Rob wants to work out how much energy his blue spotlights use. He turns the lights on at 9:00 am and leaves them on until 10:30 am, taking an electricity meter reading before and after. The spotlights have a total power of 0.1 kw.

If there was a natural disaster and the people that were in this disaster were supposed to be there. There were 3 people in the back of the cabin, two were in the front of the cabin.

Your friend of mass 50 kg can just barely float in fresh water. Calculate her approximate volume.

The volume of the ideal gas in the container is 9 m3. what would the volume be if four more blocks were placed on top of the lid of the container with the temperature of the gas kept constant? (the lid itself has a mass equal to that of two blocks.

Which of these is the most likely reason why the Steady State Theory of origin of the universe has been rejected?

The formula for calculating power is work divided by time (power = work : time). What are two ways of stating the same relationship? work = power : time, work = power * time, time = work : power, time = work * power, power = work * time

What does newton's first law predict will happen to a person riding in a car that is moving in circular motion?

One of the main reasons steel is used more widely than iron is because it's lighter softer stronger than iron

What is the frequency of a wave with a velocity of 21.2 m/s and a wavelength of 8.3m?