Question 4 Unsaved If element X has 93 protons, how many electrons does it have? Your Answer:

A space station orbits the sun at the same distance as the earth but on the opposite side of the sun. A small probe is fired away from the station. what minimum speed does the probe need to escape the solar system?

if a parachute and a stone is dropped from a certain height at once on the Moon which will reach the surface of moon

How does the ability to balance a chemical equation relate to that reaction obeying the Law of Conservation of Matter?

Tina is looking out a window and throws marble straight downward toward the sidewalk below at a speed of 5.00 m/s and the window is 39.0 meters above the sidewalk. Answer the two questions below, using three significant digits.

When does a roller coaster have the most kinetic energy

How your weight would change with time if you were on a space ship traveling away from, earth toward the moon

A heavy planet and a light planet are found to have the same momentum. What do we know about their speed? A. The light object is slower B. The heavy object is slower C. They have the same speed

Solar cells are used to a. photograph sunspots. b. convert sunlight into electricity. c. convert sunlight and carbon dioxide into sugars. d. convert electricity into solar energy.

What scientific evidence supports the Big Bang theory? Universe expansion Redshift Composition of the universe All of the above None of the above

A 1.2 m wire carries a current of 10.0 A in a uniform magnetic field of 0.050T. Find the magnitude of the magnetic force on the wire.