Answers: 1
Physics, 22.06.2019 10:30
Apulley with mass mp and a radius rp is attached to the ceiling, in a gravity field of 9.81 m/s2 and rotates with no friction about its pivot.
Answers: 3
Physics, 22.06.2019 11:30
A100-watt light bulb illuminates a solar cell. the electricity from the solar cell operates a water pump that delivers 1 watt of power. what is the efficiency of the system?
Answers: 2
Physics, 22.06.2019 16:30
An astronaut in space cannot use a scale or balance to weigh objects because there is no gravity. but she does have devices to measure distance and time accurately. she knows her own mass is 77.4 kg , but she is unsure of the mass of a large gas canister in the airless rocket. when this canister is approaching her at 3.50 m/s , she pushes against it, which slows it down to 1.30 m/s (but does not reverse it) and gives her a speed of 2.60 m/s . what is the mass of the canister?
Answers: 1
You moved 50 meters right then 15
meters down. What is the angle of
displacement (round to t...
displacement (round to t...
Mathematics, 28.11.2020 20:30
English, 28.11.2020 20:30
Mathematics, 28.11.2020 20:30
Mathematics, 28.11.2020 20:30
Mathematics, 28.11.2020 20:30
Mathematics, 28.11.2020 20:30
Mathematics, 28.11.2020 20:30
English, 28.11.2020 20:30