Physics, 21.04.2021 19:00, ThetPerson
19.5 J
10. A ball is traveling at 20 m/s and has a kinetic energy of 40 J. Calculate the mass of
the ball.
a) 8.6 kg
b) 0.2 kg
c) 34.6 kg
Answers: 2
Physics, 22.06.2019 09:30, gemmaestelle
Along the line connecting the two charges, at what distance from the charge q1 is the total electric field from the two charges zero? express your answer in terms of some or all of the variables s, q1, q2 and k =14ï€ïµ0. if your answer is difficult to enter, consider simplifying it, as it can be made relatively simple with some work.
Answers: 3
Physics, 22.06.2019 15:30, tiffuuu
At 20∘c, the hole in an aluminum ring is 2.800 cm in diameter. you need to slip this ring over a steel shaft that has a room-temperature diameter of 2.804 cm . 1. to what common temperature should the ring and the shaft be heated so that the ring will just fit onto the shaft? coefficients of linear thermal expansion of steel and aluminum are 12×10−6 k−1 and23×10−6 k−1 respectively.
Answers: 1
19.5 J
10. A ball is traveling at 20 m/s and has a kinetic energy of 40 J. Calculate the mass of
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