The first law of thermodynamics, E = Q-W what does the Q stand for?

Fusion would be a better energy source than fission because it: yields less radioactivity is explosive conserves waterways prevents smog

Which type of particle has a charge of 0 and a mass number of 1?

The Nucleus of the Atom is in the center of the Atom, not in the outer rings & orbitals. Question 7 options: True False

In which object or place is convection most likely to transfer heat?

A bungee cord is 30.0 m long and, when stretched a distance x, it exerts a restoring force of magnitude kx. Your father-in-law (mass 99.0 kg) stands on a platform 45.

How are magnetic stripes near mid-ocean ridges evidence for sea-floor spreading?

If a truck has a mass of 2 x 106 grams and a velocity of 35m/s, what is its momentum? kgm/s a. 2 million b. 70 c. 57.14 d. 70,000 e. 57,100

A scientist heats a piece of iron until it is glowing white-hot. he places the metal inside a metal box. he removes all of the air from the inside of the box.

Johanna is studying what happens to the energy as a ball rolls down a ramp. What is she studying? Check all that apply. 1. gravitational potential energy 2. electrical energy 3. kinetic energy 4. mechanical energy 5. elastic potential energy

The density of sugar is 1.59 g/cm3. the mass of a sample is 4.0 g. find the volume of the sample