If a 100Ib women walks up a flight of stairs to get to the top of a 100 meter building. How much work did she perform?

Explain how atomic mass and molecular mass are determined

If a Is close enough to a, then it will form a nova?

If you are in an airplane. you look out the window and the clouds appear to be moving. what is your frame of reference? a.) airplane b.) clouds c.) ground d.) window

What's the power input of a lamp that draws 0.2 A of current from a 230 V supply?

If the horizontal component of a net force is 68 newtons and the angle made by the net force with the horizontal is 19.2°, what is the value of the net force?

What should a free-body diagram look like for a skydiver that is still speeding up as he falls? There is an arrow up for air resistance and an arrow down for gravity. The arrows are the same length.

As a rocket moves farther and farther upward from the launch pad, what happens to the strength of Earth's gravitational field around the rocket? a. It gets weaker. b. It grows stronger. c. It remains constant.

Sully uses a battery and a coil of wire to create an electromagnet. Using the same materials, if he wants to increase the strength of his electromagnet, he must the number of loops in the coil of wire along its length.

How long does it take for light from a star that is 8 light years away to reach Earth? Question 7 options: 8 earth minutes 16 earth minutes 8 earth years 16 earth years

Why does water in hot springs always remain hot? Why doesn't it's thermal energy spread out?