jane walks up the stairs and gains 1200J of potential energy. if she runs up the stairs in half the time what would be her gain in potential energy?

How is current transferred from the moving armature to the rest of the circuit in an alternating current generator?

The sources of the heat inside Earth

Determine the centripetal acceleration an object has when object has when traveling at a constant speed of 20m/s around a circle with radius of 2m

During an investigation a scientist heated 27 g of mercuric oxide till it decomposed to leave a dry product. The total mass of the product formed was 25 g.

How are credit unions different from banks? O A. Credit unions don't charge interest on the loans they make. O B. Credit unions are owned by stockholders rather than partners. O C. Credit unions are nonprofit financial institutions. O D.

Object A and B are 10m apart. Which of the following will cause the greatest increase in gravitational force between the objects? A. Increase the mass of object A. B. Increase the mass of object B. C. Increase the distance between objects A and B. D.

A large balloon is initially filled to a volume of 1.96 l at 318.44 k and a pressure of 2.89 atm. what volume of gas will the balloon contain at 1.77 atm and 336.33 k?

What would scorch marks on fabric near bullet wound indicate?

The heat added to a thermodynamic system minus the work done is equal to which of the following? A. the heat lost from the system B. the internal energy C. the total heat added to the system D. the Carnot efficiency of the system E.

How many kilometers are in 14,000 centimeters