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An plane traveling horizontally at 78 m/s at an elevation of 210 meter drops bales of hay to cows stranded in a snowstorm. Find at what horizontal distance from the cows the bales should be dropped. Neglect air resistance. Find the velocity of a bale as it reaches the ground?
A simple pendulum 2.0m in length, is released with a push when the support string at an angle of 25 degrees from the vertical. What is the speed at the bottom of the swing
If a car moving at 82 takes 300 to stop with uniform acceleration after its brakes is applied, how far will it take to stop under the same conditions if its initial velocity is 41.
how much work is required to turn an electric dipole 180deg in a uniform electric field of magnitude e 42.0 nc if p
A transport plane flies horizontally with a fix velocity of160 m/s, at a height of 2000 m. Find how far ahead of the marker does the tank hit the ground
a 200-turn rectangular coil having dimensions of 3.0 cm by 6.0 cm is placed in a uniform magnetic field of magnitude
In a binary star system, two stars have elliptical orbits about the center of mass of the system. what is the change in the gravitational potential energy of the system
the electric potential energy stored in the capacitor of a defibrillator is 56 j and the capacitance is 130 microf.
A resting adult of average size converts chemical energy infood into internal energy at the rate of 120 W, called herbasal metabolic rate. Calculate the rate at which you lose energy by exhaling humid air
A very slippery ice cube slides in a vertical plane around the inside of a smooth, 20 cm diameter horizontal pipe. Find an algebraic expression for the ice cube's speed
A boat, whose speed in still water is 1.70 m/s, must cross a 260m wide river and arrive at a point 110m upstream form where it starts. What is the speed of the river's current
A lady pushes down on a 35.0 kg crate (constrained to move along a horizontal floor) at an angle of 47.3 degrees to the horizontal with a force of 125N along a frictionless surface. what is the normal force of the surface on the crate
A 3.70g bullet moving at 250m/s enters and stops in an initially stationary 3.50kg wooden block on a horizontal frictionless surface, How much work was done in stopping the bullet
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