Physics, 16.10.2019 05:00 rissacoob7862
Aramp is 3.0 meters long and 1.5 meters high. the distant of the effort, therefore, is the length of the ramp and the resistance distance is the height of the ramp. if it takes 60.0 n of force to move a crate that weighs 105 n up the ramp, what is the efficiency of the ramp?
Answers: 2
Physics, 22.06.2019 13:30
Which is not an example of how an object gains elastic potential energy by stretching? a. jumping on a pogo stick b. pulling on a rubber band c. jumping on a trampoline
Answers: 1
Physics, 23.06.2019 12:20
The lid of a pressure cooker forms a nearly airtight seal. steam builds up pressure and increases temperature within the pressure cooker so that food cooks faster than it does in an ordinary pot. the system is defined as the pressure cooker and the water and steam within it. if 2.0 g of water is sealed in a pressure cooker and then vaporized by heating, and 5655 j must be added as heat to completely vaporize the water, what is the change in the system’s internal energy? answer in units of j.
Answers: 3
Physics, 23.06.2019 13:00
Electromagnetic force is present when electromagnetic fields a.become charged as they lose electrons. b.become stable as they come in contact with other forces. c. interact with charged particles. d.gain energy from other forces.
Answers: 2
Aramp is 3.0 meters long and 1.5 meters high. the distant of the effort, therefore, is the length of...
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