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A rocket is fired straight up through the atmosphere from the South Pole, burning out at an altitude of 250 kilometer when traveling at 6.0 km/s.
(a) Find what maximum distance from Earth surface does it travel before falling back to Earth?
(b) Determine would its maximum distance increase if it were fired from a launch site on the equation? Why?
A wild horse starts from rest and runs in a straight line 29° north of west. After 36 s of running in this direction, the horse has a speed of 10 m/s. What is the magnitude of the horse's average acceleration?
Two automobiles, each of mass 900 kg, are moving at the same speed, 15 m/s, when they have an inelastic collision.(a) In what direction and at what velocity does the wreckage move if one car was driving north and one south? (b) In what direction a..
Two cars start from rest from point A on a circular track of radius r=200 m. Find the angular acceleration of the blue car in rad/sec^2
When light from your desk lamp passes through a 45-mm focal length lens, How far is the desk lamp from the lens
the electric field just above the surface of the charged drum of a photocopying machine has a magnitude e of 2.3 times
You see a bolt of lightning strike the ground. Exactly 37 seconds later you hear the thunder. how far away is the lightning
Water is flowing in a pipe with a varying cross-sectional area, and at all points the water completely fills the pipe. What is the fluid speed at points in the pipe where the cross-sectional area is 4.90×10^?2m^2
A jet is circling an airport control tower at a distance of 24.5 km. Find the distance traveled (in meters) by the jet as the observer watches the nose of the jet cross from one side of the moon to the other
this question relates directly to the vorperian and kent 2007 article vowel acoustic space development in children a
A certain atom of has 81 protons. Assume that the nucleus is a sphere with radius 6.99 fm, compute the magnitude of the electric field produced by the protons
A toy of mass 0.155kg is undergoing simple harmonic motion (SHM) on the end of a horizontal spring with force constant 295N/m . When the object is a distance 1.15×10^-2 m from its equilibrium position, it is observed to have a speed of 0.305 m/s. ..
You spray your sister with water from a garden hose. The water is supplied to the hose at a rate of 0.137 liters per second, At what speed does the water exit the nozzle
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