Physics, 12.02.2021 19:20 zingchristina
1.3kg ball rolls off of a 8m high platform and lands 3.4m away from the base. How much work was done by gravity on the ball?
Answers: 2
Physics, 22.06.2019 07:30
30 points - when can a theory be modified if a new type of technology allows for new observations that raise new questions? a. immediately, while the questions about the theory are being asked b. after new hypotheses related to the theory are tested in experiments c. only after the new observations disprove all parts of the theory d. while scientists begin to think about how the theory could improve
Answers: 1
Physics, 22.06.2019 19:30
Which of these has some mechanical energy? a. an atom b. heat inside earth c. a book on a shelf d. the fire from a lit match
Answers: 1
Physics, 23.06.2019 11:30
1. do the particles in the medium material move in the same direction of the wave or at opposite direction to the wave? explain your answer. 2. by inputting more energy into the wave, i.e a large shake of the spring, which wave property also increases? 3. are there forces of friction acting while a wave is passing through a medium?
Answers: 3
Physics, 24.06.2019 04:30
A25 gram bullet is fired from a gun with a speed of 230 m/s. if the gun has a mass of 0.9 kg what is recoil speed of the gun?
Answers: 3
1.3kg ball rolls off of a 8m high platform and lands 3.4m away from the base. How
much work was don...
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