how much energy is required to melt 2.5 moles of ice as 0.0 degrees Celsius to liquid water at 0.0 degrees Celsius

ID: A A car traveling initially at 5.5 m/s accelerates at a rate of 1.2 m/s/s for 2.3 seconds. What is its velocity at the end of the acceleration?

Which of the following correctly describes isotopes of the same element? A. Atoms that have the same number of neutrons but a different number of electrons B. Atoms that have the same number of protons but a different number of neutrons. C.

Suppose this comet were to hit the earth at 40000 km/h and fuse with it. by how much would it change our planet's velocity? (the mass of the earth is 5.97*1024kg)

A 3.0kg mass is held 4.2 m above the ground. What is the potential energy of the mass with respect to the ground?

Which particle would have the slowest rate of deposition? A. round particle B. very large particle C. particle with sharp ends D. particle with a high density

Electrons are a lot lower in mass than neutrons true or false

How can you measure mold on food?

The cooled lava pools on the surface of a crater are called what? 1. Craters 2. Terrae 3. Maria 4. Reoglith

A child walks 35 meters in 7 seconds. calculate the child's speed.

Is this wave transverse or longitudinal