Physics, 20.11.2020 01:50 baileyanne9389
Calculate the ideal mechanical advantage of a pair of scissors where the length of the blade is 5 cm and the length of the handle is 2.5 cm.
Answers: 3
Physics, 22.06.2019 05:30
Agas expands from an initial volume of 0.040 m^3 and an initial pressure of 210 kpa to a final volume of 0.065 m^3 while its temperature is kept constant. how much work is done by the system?
Answers: 1
Physics, 22.06.2019 06:00
Aball is thrown upward. at a height of 10 meters above the ground, the ball has a potential energy of 50 joules (with the potential energy equal to zero at ground level) and is moving upward with a kinetic energy of 50 joules. what is the maximum height h reached by the ball? consider air friction to be negligible. 1. h โ 10 m 2. h โ 50 m 3. h โ 30 m 4. h โ 40 m 5. h โ 20 m 003 10.0 points which of the two object shown below has the greatest kinetic energy? a m b 1 2 m v 2v 1. kinetic energies are the same. 2. a 3. b 4. unable to determine. 004 10.0 points tim, with mass 74.6 kg, climbs a gymnasium rope a distance of 3.1 m. the acceleration of gravity is 9.8 m/s 2 . how much potential energy does tim gain? answer in units of j. 005 10.0 points a car is moving at 64 miles per hour. the kinetic energy of that car is 5 ร 105 j. how much energy does the same car have when it moves at 111 miles per hour? answer in units of j. 006 10.0 points an 102 kg man climbs up a 1 m high flight of stairs. the acceleration of gravity is 9.81 m/s 2 . w
Answers: 3
Physics, 22.06.2019 09:00
When a light bulb shines, it gives off light energy and energy. a. heat b. potential c. chemical d. electrical
Answers: 2
Physics, 22.06.2019 12:30
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
Calculate the ideal mechanical advantage of a pair of scissors where the length of the blade is 5 cm...
History, 21.11.2020 21:20
Mathematics, 21.11.2020 21:20
Chemistry, 21.11.2020 21:20
Health, 21.11.2020 21:20
Mathematics, 21.11.2020 21:20
Mathematics, 21.11.2020 21:20
Mathematics, 21.11.2020 21:20
Mathematics, 21.11.2020 21:20
Mathematics, 21.11.2020 21:20
Mathematics, 21.11.2020 21:20