1) A metal weighing 50.0 g absorbs 20.0 J of heat when its temperature increases by 150.0°C. What is the specific heat of the metal?

How much work would be needed to raise the payload from the surface of the moon (i.e., x = r) to an altitude of 5r miles above the surface of the moon (i.e., x = 6r)?

The difference between two numbers is 15. when twice the smaller number is subtracted from three times the larger number, the difference is 58.what is the larger number?

What is the length x of the side of the triangle below? (hint: use the cosine function)