Juan inflates a balloon and then releases its end to let the balloon go free as air comes out. The balloon then flies around the room.

Which statement describes how this example is an application of Newton's laws of motion?

True or false a truck has greater inertia than a bicycle

How does a vacuum flask keep drinks hot? Explain in terms of conduction, convection and radiation.

Who made the very first solar cell and in what year?

What is final velocity of a 400kg car traveling at 36m/s that undergoes a braking force of 600N for 8 seconds

an electric motor lifts an elevator that weighs 1200N a distance of 9m in 15s, what is the power of the motor in watts?

Humpty Dumpty (12 kg) sat on a wall (2 m high). What was his potential energy, before his great fall? A. 235.2 J B. 235.2 N C. 24 J D. 246.1 W

Explain how we were able to boil water at room temperature

A car drives at 30km/h around a roundabout. I still the car accelerating?

It is well known that bullets and other missiles fired at Superman simply bounce off his chest. Suppose that a gangster sprays Superman's chest with 6.7 g bullets at the rate of 78 bullets/min, and the speed of each bullet is 530 m/s.

Seth starts from rest at the end of his driveway and accelerates down the road on a skateboard at 4 m/s squared 12 seconds what is the speed at the end of his 12 seconds