17.) A microwave is rated at 750 watts. How long will it take the microwave to do 5700 J of work on a cup of water? Assume 100% efficiency.

What is the average velocity of atoms in 2.00 mol of neon (a monatomic gas) at 308K?

A 0.50g leaf falls from a branch 4.0m off the ground to a bird's nest 2.5m off the ground. How much gravitational potential energy did the leaf loose?

Newton's first law states that an object traveling with a constant velocity will remain traveling at a constant velocity unless an unbalanced force acts.

A particle moves 3.0 m along a circle of radius 1.5 m. (a) Through what angle does it rotate? (b) If the particle makes this trip in 1.0 s at a constant speed, what is its angular velocity? (c) What is its acceleration?

A book sliding across a table has friction, if you increase the weight of the book does the amount of friction increase? A. Yes, the heavier book will have more friction resistance force B. No, the weight will not change the amount of friction C.

If the masses of an object increase and their distance from each other stays the same the force of gravity decreases increases stays the same increases then decreases

What is Avogadro's number? A. 5.002 Ã - 1020 B. 2.3 Ã - 1021 C. 6.02 Ã - 1013 D. 6.02 Ã - 1023

Mathew, a farmer, cultivates monocultures of wheat. What negative effect will monoculture farming have on Mathew's land? A. crop productivity will decrease B. greenhouse gases will generated C. nutrients will not be recycled back into the soil D.

Which best describes the relationship between the frequency, wavelength, and speed of a wave as the wave travels through different media

A novelty golf ball of mass m is launched with an initial velocity v0 = (25i + 13j) m/s and then follows a parabolic trajectory. At the top of the ball's trajectory, it explodes into two fragments A and B.