Physics, 18.05.2021 18:30 morelos7078
2. You lift a heavy suitcase from the floor to the top shelf of the closet exerting power of 200 W
in 3 seconds. If the suitcase's mass is 30 kg, what is the force that you exerted on the suitcase? Is
this problem realistic?
Discuss the process from the point of energy conservation. Is the energy constant? Is the energy
conserved? What is the difference?
Answers: 3
Another question on Physics
Physics, 21.06.2019 18:00
Aproton is projected toward a fixed nucleus of charge +ze with velocity vo. initially the two particles are very far apart. when the proton is a distance r from the nucleus its velocity has decreased to 1/2vo. how far from the nucleus will the proton be when its velocity has dropped to 1/4vo?
Answers: 3
Physics, 22.06.2019 07:40
Which lists the fundamental forces in order, from strongest to weakest? strong nuclear, weak nuclear, electromagnetic, gravitational strong nuclear, electromagnetic, weak nuclear, gravitational gravitational, weak nuclear, electromagnetic, strong nuclear electromagnetic, gravitational, strong nuclear, weak nuclear
Answers: 2
Physics, 22.06.2019 20:00
Aturntable that spins at a constant 74.0 rpm takes 3.10 s to reach this angular speed after it is turned on. find its angular acceleration (in rad/s2), assuming it to be constant, and the number of degrees it turns through while speeding up.
Answers: 2
You know the right answer?
2. You lift a heavy suitcase from the floor to the top shelf of the closet exerting power of 200 W...
Questions
Mathematics, 08.01.2021 17:50
Mathematics, 08.01.2021 17:50
Mathematics, 08.01.2021 17:50
Mathematics, 08.01.2021 17:50
English, 08.01.2021 17:50
Mathematics, 08.01.2021 17:50
Computers and Technology, 08.01.2021 17:50
