Physics, 21.05.2021 14:00 ecarter8967
A shotgun grain weighing 20g is shot into a wooden board 10cm thick. The speed of the grain at the entrance to the wood is 400m/s and the exit 150m/s. Determine the change in grain kinetic energy
Answers: 1
Physics, 21.06.2019 18:00
Abaseball has a mass of 0.145 kg and approaches a bat at 40.0 m/s. after it is hit, the ball leaves the bat at 50.0 m/s directly back. find the impulse of the bat on the ball. 7.25 kg*m/s 13.1 kg*m/s 5.80 kg*m/s 1.45 kg*m/s
Answers: 2
Physics, 21.06.2019 19:30
11. you want to calculate the displacement of an object thrown over a bridge. using -10 m/s2 for acceleration due to gravity, what would be the total displacement of the object if it took 8 seconds before hitting the water?
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Physics, 21.06.2019 21:50
Apossible explanation for a set of facts that can be tested by further investigation is called
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Physics, 22.06.2019 00:00
What must be the same for any two resistors that are connected in series ? a. the potntial diffrence across each b. the rate at which charge moves through each c. the rate at which energy is used by each d. the resistance to the flow of charge of each
Answers: 1
A shotgun grain weighing 20g is shot into a wooden board 10cm thick. The speed of the grain at the e...
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