Physics, 14.06.2021 20:00 ahmadfarriz4088
In the image below, a worker is pushing a crate with a mass of 20 kg up a
ramp at a constant rate. Ignoring friction, how much force must the worker
apply so that the crate continues to move at the same speed? (Recall that g =
9.8 m/s2)
1
Weight
O A. 62.5 N
ООО
OB. 37.3 N
C. 48.6 N
O
D. 50.7 N
Answers: 3
Physics, 21.06.2019 20:20, vero5047
Astronomers discover an exoplanet (a planet of a star other than the sun) that has an orbital period of 3.87 earth years in its circular orbit around its sun, which is a star with a measured mass of 3.59 x 1030 kg. find the radius of the exoplanet's orbit.
Answers: 3
Physics, 22.06.2019 13:50, heatherlemaster
The magnitude of the poynting vector of a planar electromagnetic wave has an average value of 0.939 w/m^2 . the wave is incident upon a rectangular area, 1.5 m by 2.0 m, at right angles. how much total electromagnetic energy falls on the area during 1.0 minute?
Answers: 2
In the image below, a worker is pushing a crate with a mass of 20 kg up a
ramp at a constant rate....
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