Physics, 27.10.2020 16:50 channyfilthy8735
What is the frictional force between the tires and the road that allows a 1,000‐kg car traveling at 30 m/s to round a 20‐m radius curve?
Answers: 3
Physics, 23.06.2019 02:00
Estimate the magnitude of the electric field due to the proton in a hydrogen atom at a distance of 5.29×10 to the power of −11 m, the expected position of the electron in the atom.
Answers: 1
Physics, 23.06.2019 02:30
If frequency goes down, what happens to wavelength? does it get shorter or longer?
Answers: 2
Physics, 23.06.2019 02:30
Afaulty model rocket moves in the xy-plane (the positive y direction is vertically upward). the rocket's acceleration has components ax(t) = ? t2 and ay(t) = ? ? ? t, where ? = 2.50 m/s4 , ? = 9.00 m/s2 , and ? = 1.40 m/s3 . at t = 0 the rocket is at the origin and has velocity ~v0 = v0x ? i + v0y ? j with v0x = 1.00 m/s and v0y = 7.00 m/s. (a) calculate the velocity and position vectors as functions of time. (b) what is the maximum height reached by the rocket? (c) sketch the path of the rocket. (d) what is the horizontal displacement of the rocket when it returns to y = 0?
Answers: 1
Physics, 23.06.2019 11:40
As the ball rolls down the ramp, there are changes in kinetic and potential energy. how much kinetic energy does the ball have when it reaches point b? a) 0j b) 25j c) 50j d) 100
Answers: 3
What is the frictional force between the tires and the road that allows a 1,000‐kg car traveling at...
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