People who study the effects of human activities on earth land air water and living Thing are

A bowling ball of mass 5.8 kg moves in a straight line at 4.34 m/s How fast must a Ping-Pong ball of mass 2.214 g move in a straight line so that the two balls have the same momentum? Answer in units of m/s.

Which is true? A) The spin angular momentum vector itself can be measured, and it can be aligned along the measurement axis (z axis).

Two trains traveling on parallel tracks are going toward each other from a distance of 552 miles. If the freight train is moving at 38 mph and the passenger train is moving at 54 mph, when will the trains pass each other?

If one side of switch is open and another one closed so what gone happen

Which of the device has the highest resistance? a) Ammeter b) Voltmeter c) Rheostat d) Key

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?