an astronaut weighs 104 newtons on the moon where the strength of gravity is 1.6 newtons per kilogram what is her mass

What is the outermost layer of the sun? photosphere corona core radiative zone chromosphere convective zone

A book is placed on a table and a rock sits on top of a cliff. Which statement is correct? A. Both the book and the rock have kinetic energy. B. Both the book and the rock have potential energy. C.

Which is least likely to cause a landslide? A. The force of gravity B. The growth of vegetation C. An increase in the slope of a hill D. Saturation of the ground by water

Water flowing out of a horizontal pipe emerges through a nozzle. the radius of the pipe is 1.7 cm, and the radius of the nozzle is 0.46 cm. the speed of the water in the pipe is 0.45 m/s.

Write a sentence that uses the word forces. A sentence using the word correctly.

A plane is flying east at 135 m/s. The wind accelerates it at 2.18 m/s^2 directly northeast. After 18.0s, what is the magnitude of the displacement of the plane?

The same constant force, F, is applied to two blocks. The first block has a mass of M and the second block has a mass of 2M. Both blocks are initially at rest and the force acts on each of them for the same period of time, t.

Which of the following is an example of the strong nuclear force acting in an atom? A. A proton repelling a proton B. A neutron attracting a neutron C. A neutron repelling an electron D. An electron attracting a proton

Does the air in our atmosphere have mass?

Your instructor hands you a closed flask partly filled with room-temperature water. When you hold it, the heat transfer between your bare hands and the flask causes the water to boil. Quite impressive! How is this accomplished?