Answers: 1
Physics, 22.06.2019 22:00
On mars a rock falls an unknown vertical distance from a resting position and lands in a crater. if it takes the rock 2.5 seconds to fall, how high is the cliff the rock fell from? mars' surface gravity is 3.8 m/s2. a. 9.5 m b. 11.9 m c. 15.2 m d. 23.8 m
Answers: 1
Physics, 23.06.2019 02:00
Determine the time it takes for a satellite to orbit the earth in a circular "near-earth" orbit. the definition of "near-earth" orbit is one which is at a height above the surface of the earth which is small compared to the radius of the earth, so that you may take the acceleration due to gravity as essentially the same as that on the surface. does your result depend on the mass of the satellite?
Answers: 3
Physics, 23.06.2019 05:10
How do the forces acting on a boat compare to the force acting on a plane ?
Answers: 2
Physics, 23.06.2019 12:30
How is sound is different from music how loundness od sound mention some ways to reduce
Answers: 1
Q7
A quantity r is mensured many times and the number Nofmes-
surements giving a vnlue. r is...
surements giving a vnlue. r is...
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