Physics, 21.10.2020 01:01 kmcgregor4155
A gymnast pushed down on a trampoline during a routine. What is the reaction
force on the gymnast?
a) Friction pushes the gymnast forward across the trampoline.
b) Gravity pulls down on the gymnast.
c)Air resistance pushes back on the gymnast
d) The trampoline pushes back up on the gymnast.
Answers: 3
Physics, 22.06.2019 10:40, itsyagirl11076
Two point charges are on the y axis. a 3.90-µc charge is located at y = 1.25 cm, and a -2.4-µc charge is located at y = −1.80 cm. (a) find the total electric potential at the origin. v (b) find the total electric potential at the point whose coordinates are (1.50 cm, 0). v
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 × 1013 rad/s. the mass of a nickel atom is 9.75 × 10-26 kg. what is the difference in energy between adjacent vibrational energy levels of nickel? (h = 6.626 × 10-34 j • s, , 1 ev = 1.60 × 10-19 j)
Answers: 2
Physics, 22.06.2019 19:30, cecelia090
Another word for electromagnetic energy is a. heat b. force c. matter d. radiation
Answers: 1
A gymnast pushed down on a trampoline during a routine. What is the reaction
force on the gymnast?<...
Health, 27.04.2020 01:34
Physics, 27.04.2020 01:34