Physics, 18.03.2021 19:20, Hammon1774
1) Calculate the kinetic energy of a bullet of mass 0.015 kg, travelling at a speed of 240 m/s.
2) Calculate the increase in the gravitational potential energy store of a boy of mass 50 kg after he has climbed the Taipei 101 Tower, which is 440 m high.
3) A car has a mass of 1500 kg. It accelerates from a speed of 15 m/s to a speed of 20 m/s. Calculate the increase in kinetic energy of the car.
4) A car suspension spring has a spring constant of 2000 N/m. Calculate the elastic potential energy stored in the spring when it is compressed by 8 cm.
5) A meteor has a mass of 0.05 kg and it is travelling towards Earth at a speed of 30 km/s. Calculate the kinetic energy of the meteor.
CORRECT ANSWERS OR ILL REPORT!
ill also give brainliest answer
Answers: 2
Other questions on the subject: Physics
Physics, 22.06.2019 10:00, lorelei7668
(a) calculate the number of electrons in a small, electrically neutral silver pin that has a mass of 10.0 g. silver has 47 electrons per atom, and its molar mass is 107.87 g/mol. (b) imagine adding electrons to the pin until the negative charge has the very large value 1.00 mc. how many electrons are added for every 109 electrons already present
Answers: 3
Physics, 22.06.2019 19:00, opgbadwolf5
The law of reflection states that the angle of reflection is equal to the angle of
Answers: 1
Physics, 23.06.2019 00:50, georgeonnatreev2275
Aforce of 8,480 n is applied to a cart to accelerate it at a rate of 26.5 m/s2. what is the mass of the cart? 865 kg 320 kg 12.1 kg 3.12 kg
Answers: 1
Do you know the correct answer?
1) Calculate the kinetic energy of a bullet of mass 0.015 kg, travelling at a speed of 240 m/s.
2)...
Questions in other subjects:
History, 21.09.2020 14:01
