What are jet streams and where do they occur?

Whats the speed of darkness?

A 50 g sample of an unknown metal is heated to 90.0C. It is placed in a perfectly insulated container along with 100 g of water at an initial temperature of 20C. After a short time, the temperature of both the metal and water become equal at 25C.

Kyle is flying a helicopter and is rising at 5.0m/s when he releases the bag. After 2.0s a) what is the bag's velocity? b) how far has the bag fallen? c) how far below from the helicopter is the bag?

How is heat converted into work in a steam engine?

um corpo de massa 100kg encontra-se a uma altura de 180m numLocal onde g = 10m/s² quando e solto. Qual a sua energia potencial gravitacional após de queda? Qual sua energia cinética ao atingir o solo?

What is the most advanced life form on earth

Which EM wave is about the size of humans?

Describe how the Catapult works?

Newton's third law of motion states that the force pair acting on different objects consist of two forces that

While working on her science fair project Venus connected a battery to a circuit that contained a light bulb. Venus decided to change the light bulb to a higher resistance, but she wanted to keep the current the same.