Bob rubs a piece of fur on a hand rubber rod, giving the rod a negative charge. what happens?

What is the force of string when 5kg and 12 m/s

Heat energy is transferred by conduction whenever molecules?

A car traveling at 45 m/s can brake to a stop within 10m. Assume that the braking force is effective for stop and constant with speed.

One of the principal difficulties in establishing the theory of continental drift (the idea that tectonic plates drift around on Earth's surface) was identifying a source of energy capable of powering such movements.

A circuit with a resistance of 25 ohms is carrying a current of 2 a. how much heat, in watts, is developed?

You are driving a bus. When you begin your route, there is an old woman named Mrs. Smith and a young boy named Raymond are on the bus. At the first stop, the old woman leaves, and a salesman, named Ed, enters.

What is the force of gravity between two 3.0 kg masses 1.0 m apart?

What are the tool needed to find the density of an irregularly shaped object?

What is the fundamental frequency if the tension in the string is halved?

What amount of heat is required to raise the temperature of 25 grams of copper to cause a 15º C change? The specific heat of copper is 0.39 J/gº C. 115 J 150 J 250 J 300 J