What is the acceleration of a 1000kg car subject to a 550N net force?

Three small masses are positioned at the following coordinates: 3.0 kg at (3.0 m, 2.0 m); 4.0 kg at (0.0 m, - 1.0 m); and 5.0 kg at (5.0 m, - 7.0 m). What are the coordinates of the center of mass (or center of gravity) of this system?

What do hydrogen and helium have in common?

Explain the progression of a star from its formation to its destruction

In which of these cases do we have enough information to say that the atom is electrically neutral? A. The atom has 15 neutrons and 15 electrons. B. The atom has 7 protons and 7 electrons. C. The atom has 4 neutrons and 4 protons. D.

Jason has operated his own sheetrock installation business for many years. This means that jason is also qualified to put plumbing into the houses he works in. A) True B) False

Molecular motion is a measure of the movement of the molecules in a substance molecule motion is substantially different between different states of matter for example the molecules in a more than the molecules in a

A radio telescope is used to study radio waves that come from stars and galaxies. What type of wave is a radio wave?

Review the following observations: Substance A changes a solution to green when mixed with Bromothymol blue indicator. Substance B changes a solution of red onion water to green. Substance C changes Turmeric water orange.

A tube with a cap on one end, but open at the other end, has a fundamental frequency of 129.5 Hz. The speed of sound is 343 m/s. (a) If the cap is removed, what is the new fundamental frequency of the tube? (b) How long is the tube?

When Dr. Hewitt immerses an object in water the second time and catches the water that is displaced by the object, how does the weight lost by the object compare to the weight of the water displaced?