Physics, 07.04.2020 23:41 pelaezaiden35
Question 10 of 26 Attempt 3 Two friends, Joe and Sam, go to the gym together to strength train. They decide to start off with an exercise called flat bench press. Lying flat on a bench with his arms in an extended position, each friend slowly lowers (to his chest) and then raises a barbell back to the starting position. They start off by using a 37.5 kg barbell. Joe is taller than Sam, which means Joe's arms are 68.4 cm long whereas Sam's are 61.4 cm . Calculate the work done by Joe W Joe when he raises the barbell to finish one repetition. The acceleration due to gravity is 9.81 m / s 2
Answers: 3
Physics, 22.06.2019 12:20
A2.0 μf capacitor and a 4.0 μf capacitor are connected in series across a 0.827-kv potential. the charged capacitors are then disconnected from the source and connected to each other with terminals of like sign together. find the voltage across each capacitor.
Answers: 2
Physics, 22.06.2019 15:00
Give an example in which the electrical energy changes to light energy
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Physics, 22.06.2019 19:00
Abatter hits a 0.140-kg baseball that was approaching him at 30 m/s and, as a result, the ball leaves the bat at 40 m/s in the reverse of its original direction. the ball remains in contact with the bat for 2.0 ms. what is the magnitude of the average force exerted by the bat on the ball?
Answers: 1
Question 10 of 26 Attempt 3 Two friends, Joe and Sam, go to the gym together to strength train. They...
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