A force used to lift a 25kg mass to a height of 12m in 5 sec does 2100J of work. How much force is used

In order to make vehicles more energy efficient, what can be done?

Most radiation exposure comes from a. consumer products. b. nuclear medicine. c. medical X-rays. d. natural source

What caused the deepwater horizon explosion

Jane walked 5.00 meters on a road that inclines 13.0 degrees. How much distance did she cover horizontally?

Earth revolves on its own axis. true false

Is Li greater than He on the periodic table?

White light falls on a yellow filter, if: (a) A green filter is placed behind a yellow filter, what is the colour of the light that will emerge from the green filter?

Calculate the energy equivalent in joules of the mass of a proton. [Show all work, including the equation and substitution with units.]

If the weight is 950 newtons, what is the mass?

You are standing against the wall near a corner of a large building. A friend is standing against the wall that is around the corner from you. You can't see your friend. How is it that you can hear her when she talks to you?