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Problem: A football is kicked at ground level with a speed of 18.0m/s at an angle of 30.9 degrees to the horizontal.
Part I: How much later does it hit the ground?
Please explain how you came to your conclusion.
A heat pump has a coefficient of performance of 3.75 and operates with a power consumption of 6.93 103 W. How much energy does it extract from the outside air
A 5.00 meter long ladder, weighing 200 Newton, rests against a smooth vertical wall with its base on a horizontal rough floor, a distance1.2 meter away from the wall. Compute how far up the ladder can a 600 N man climb before the ladder begins to s..
A digital cell phone emits a 1.9 GHz electromagnetic wave with total power 0.60 Watt. Find the energy of an individual photon
A gasoline engine has a power output of 155kW (about 2.08×105hp ), Its thermal efficiency is 26.0%, How much heat must be supplied to the engine per second
a cylindrical cistern constructed below ground level is 2.6m in diameter and 2.0 m deep and is filled to the brim with
the engine of a small aircraft m 1400 kg including pilot develops 180 hp. the airplanes speed is increased from 30 ms
An electron is moving at a speed of 1.1 multiply.gif 104 m/s in a circular path of radius of 1.9 cm inside a solenoid. Find the strength of the magnetic field inside the solenoid
The intensity of the sound from a certain source is measured at two points along a line from the source. The points are separated by 12.9 m, Calculate the power output of the source
a parallel-plate capacitor in air has a plate separation of 1.64cm and a plate area of 24.8cm2. the plates are charged
hen an object is placed 69.0 cm from a certain converging lens, it forms areal image. When the object is moved to 37.0 cm from the lens, the image moves26.0 cm farther from the lens.Find the focal length of this lens (cm)
A charge of 0.040C moves vertically in a field of 0.075T that is oriented 45? from the vertical. What speed must the charge have such that the force acting on it is 8.0N
A man drinks a bottle of beer and proposes to work off its460kj by exercising with 20 kg barbell. how many times must he lift the barbell
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