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An arrow is shot at an angle of above the horizontal. The arrow hits a tree a horizontal distance away, at the same height above the ground as it was shot. Use for the magnitude of the acceleration due to gravity.Find , the time that the arrow spends in the air.
A satellite is orbiting the Earth at a distance of 2.67RE and with a speed of 4.29 km/s. With what speed would the satellite hit the Earth's surface
An iron bolt of mass 60.0 g hangs from a string 33.1 cm long. The top end of string is fixed. Without touching it, a magnet attracts the bolt so that it remains stationary, displaced horizontally 27.0 cm to the right from the previously vertical l..
Binoculars denoted as 7 x 50 have a total magnification of 7 times and objective lenses of 50- mm diameter. What is the focal length of the eyepiece
Tendons are strong elastic fibers that attach muscles to bones. To a reasonable approximation, they obey Hooke's law. How much energy is stored in it at that point
A black wood stove with surface area 4.6 \rm{ m^2} is made from cast iron 4.0 \rm mm thick. The interior wall of the stove is at 650 \rm { ^\circ C}, find how much heat the stove loses by a combination of conduction and convection in the surroundin..
A steel ball is dropped onto a hard floor from a height of 1.25 m and rebounds to a height of 1.16 m. (Assume that the positive direction is upward.) Calculate its velocity just before it strikes the floor
You are on an airplane traveling 30° south of due west at 160.0 m/s with respect to the air. What is the heading of the plane with respect to the ground
A 1.00-kg glider attached to a spring with a force constant 25.0 N/m oscillates on a frictionless, horizontal air track. Find the period of the glider's motion
The capacitance of an empty capacitor is 2.5 x 10^-6 F. The capacitor is connected to a 3 volt battery and charged up, Write the equation for q in terms of K, C(subscript zero), and V
At a distance of 1.41 m from a point charge of +2.74 ?C, how many of the additional equipotential surfaces are crossed by the time the electric field has shrunk to one-half of its initial value
hearing the siren of an approaching fire truck, you pull over to the side of the road and stop. As the truck approaches, you hear a tone of 460 Hz; Find speed of the truck
a point charge q1=2 microC is located on the positive y axis at y=0.30 m, and an identical charge q2 is at the origin. Find the magnitude and direction of the total force
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