Physics, 15.08.2020 22:01 jalenshayewilliams
The input work done on a machine is 9.63 × 103 joules, and the output work is 3.0 × 103 joules. What is the percentage efficiency of the machine?
Answers: 1
Physics, 21.06.2019 21:00
Mike walks 100 meter north, then walks 30 meters south. after this, he walks another 10 meters north. what is the magnitude of his total displacement during this walk,in meters?
Answers: 2
Physics, 21.06.2019 21:40
Avery hard rubber ball (m = 0.5 kg) is falling vertically at 4 m/s just before it bounces on the floor. the ball rebounds back at essentially the same speed. if the collision with the floor lasts 0.05 s, what is the average force exerted by the floor on the ball?
Answers: 3
Physics, 22.06.2019 05:30
An object weighs 40n in air, weighs 20n when submerged in water and 30n when submerged in a liquid of unknown density. what is the density of the liquid?
Answers: 2
Physics, 22.06.2019 08:30
What is the primary force that suspension bridges use cables to hold their spans up? a. tension force b. resistance force c. normal force d. elastic force e. applied force
Answers: 3
The input work done on a machine is 9.63 × 103 joules, and the output work is 3.0 × 103 joules. What...
Mathematics, 05.02.2021 17:20
Mathematics, 05.02.2021 17:20
History, 05.02.2021 17:20
Mathematics, 05.02.2021 17:20
Physics, 05.02.2021 17:20
Mathematics, 05.02.2021 17:20
Mathematics, 05.02.2021 17:20
Mathematics, 05.02.2021 17:20
Chemistry, 05.02.2021 17:20
Mathematics, 05.02.2021 17:20
Mathematics, 05.02.2021 17:20