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Solve the all parts of given problem:
Problem: A projectile is fired from horizontally from a gun that is 45m above flat ground; emerging from the gun with a speed of 250 m/s.
Part A: How long does the projectile remain in the air?
Part B: At what horizontal distance from the firing point does it strike the ground?
Part C: What is the magnitude of the vertical component of its velocity as it strikes the ground?
Express your knowledge to solve the above problem.
A mass of 3.90 kg is suspended from a 1.55 m long string. It revolves in a horizontal circle. Calculate the angle between the string and the vertical
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a jogger runs 100 m due west then changes direction for the second leg of the run. at the end of the run she is 175 m
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If the exospheric temperature is 1500 K and the hydrogen atom and helium atom densities at 500 km are 10^4 cm^3 and 10^6 cm^3 respectively,
A container of groceries has a mass of 15.0 kg. if its coefficent of static friction is 0.20 what force is needed to start the container to move
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