A block of copper (c = 390 J/kg°C) is heated from 20.0 C to 60.0 C. How much heat (in J) is absorbed by the copper if its mass is 45.0 g?

How to determine if its an adiabatic process?

If an object weighs 40N on Earth, would it weigh more than 40N on the moon?

A paper airplane moving 2.33 m/s has 0.161 J of KE. What is its mass? (Unit = kg)

Two identical massless springs of constant k = 200N/m are fixed at opposite ends of a level track, as shown. A 5 kg block is pressed against the left spring, compressing it by 0.15m. The block is then released from rest.

Thermal energy is transferred as heat from a warmer object to a cooler object until Select one: a. all of the energy from the hot object is transferred to the cold object. b. the temperature is the same in both objects. c.

would the phases of the moon be affected if the moon didn't make one rotation for each revolution of earth?

What kinetic energy has 1 tone car traveling at 15 m/s

Ceres is a dwarf planet located in the main asteroid belt.

Which solid is the best thermal insulator A. brass b. ice C. styrofoam D. copper

When a high-mass star explodes, which of the following is left over in the center? A. Black hole B. Neutron star C. White Dwarf D. either a or b