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Question: A cannon at ground level launches a cannonball horizontally. If the cannon fires with a velocity of 28.3 m/s and at an angle of 30 degrees,
Part A: How far will the cannon ball travel?
I need help to compute how far the cannon ball will travel.
a car starts from rest on a curve with a radius of 190 and accelerates at 0.500 . how many revolutions will the car
Water flows over a section of Niagara Falls at a rate of1.20x106 kg/s and falls 50.0 m. What is the power dissipated by the water fall
A 4.57 MeV alpha particle from radium226Ra decay makes a head-on collision with a uranium nucleus. A uranium nucleus has 92 protons. What is the force on the alpha particle at the instant when it is at the distance of closest approach?
A swimmer maintains a speed of 0.15 m/s relative to the water when he swims directly toward the opposite shore of a river. Calculate his velocity relative to an observer on shore
A certain black body radiates 1200 W at a temperature of 2000 K. how much power does this body radiate at 3000 K
A solenoid of inductance L = 50 mH has a magnetic energy U = 3 x10-4 J with a density u = 0.0042 J/m3, What is the winding density n of the solenoid
A jogger on a circular track that has the radius of 0.150km runs a distance of 1.10km. What angular distance does the jogger covers in radians.
A microwave oven is powered with an electron tube called a magnetron, which generates electromagnetic waves of frequency2.75 GHz. The microwaves enter the oven and are reflected with the walls.
Water moves through a constricted pipe in steady, ideal flow. At the lower point the pressure is 1.73 105 Pa and the pipe radius is 3.00 cm. Find the volume flow rate through the pipe
A lens that has a focal length of 8.90 cm is used as a magnifying glass. (a) To obtain maximum magnification and an image that can be seen clearly by a normal eye, where should the object be placed? (b) What is the magnification?
A mass of 1.53 kg is attached to a spring and the system is undergoing simple harmonic oscillations by a frequency of 1.95Hz and amplitude of 7.5 cm. What is the speed of the mass when it is 3.00 cm from its equilibrium?
A 500 +/- 1 g block sits in the middle of a balance. Stringswith small mass hangers are attached. The mass hanger abovethe block has a total mass of 250 +/- 1g (Vertical tension force Iassume) .
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