Physics, 17.12.2019 01:31, canonmille2
Achild bounces a 57 g superball on the sidewalk. the velocity change of the superball is from 26 m/s downward to 16 m/s upward. if the contact time with the sidewalk is 1 800 s, what is the magnitude of the average force exerted on the superball by the sidewalk? 1. 2183 n 2. 2107 n 3. 1992 n 4. 1877 n 5. 2068 n 6. 1839 n 7. 2030 n 8. 1954 n 9. 2145 n 10. 1915 n
Answers: 1
Physics, 22.06.2019 13:10, pearlvldz
The atoms in a nickel crystal vibrate as harmonic oscillators with an angular frequency of 2.3 Γ 1013 rad/s. the mass of a nickel atom is 9.75 Γ 10-26 kg. what is the difference in energy between adjacent vibrational energy levels of nickel? (h = 6.626 Γ 10-34 j β’ s, , 1 ev = 1.60 Γ 10-19 j)
Answers: 2
Physics, 23.06.2019 04:00, sullivanjakob
Preciso de ajuda na parte de termometria e tenho prova amanhΓ£ ajuda ae prf
Answers: 1
Physics, 23.06.2019 10:50, isaiahjohnson2594
In the graph, each sinusoidal curve shows the shape of a vibrating string at a different moment. for which values of x does a node occur? (let k = an integer from -2 to +2.) k + 0.5 0.5k k 2k + 1.5
Answers: 1
Achild bounces a 57 g superball on the sidewalk. the velocity change of the superball is from 26 m/s...
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