Physics, 27.08.2019 16:30 jetblackcap
According to the law of conservation of charge which statement can be true? a) a metal rod lost charge. b) a silk cloth gained charge. c) charges are created from nothing. d) charge moved from hair to a balloon.
Answers: 2
Physics, 22.06.2019 12:30, ayoismeisjjjjuan
Cathy is pedaling down a steep hill on her bicycle and wants to be able to coast up the next hill, which is 25 meters high, without pedaling. cathy and her bicycle have a mass of 75 kg. assuming her bicycle is 100% efficient, what would her speed have to be?
Answers: 3
Physics, 22.06.2019 16:30, xxaurorabluexx
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
According to the law of conservation of charge which statement can be true? a) a metal rod lost cha...
History, 16.10.2020 20:01
Mathematics, 16.10.2020 20:01
History, 16.10.2020 20:01
Business, 16.10.2020 20:01
English, 16.10.2020 20:01