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A 0.17 kilogram baseball is launched from the roof of a building 14 meter above the ground. Its initial velocity is 34 m/s at 40 degree above the horizontal. Suppose any effects of air resistance are negligible.
(a) Find the maximum height above the ground that the ball reaches?
(b) Obtain the speed of the ball as it strikes the ground?
The nucleus of an atom has a radius of about 6.8×10-15 m. The electron is normally at a distance of about 1.3×10-11 m from the nucleus. find the volume of the atom
While standing at the edge of the roof of a building, you throw a stone upward with an initial speed of 7.19 m/s. How much time is the stone in the air
An indestructible bullet 2.00 cm long is fired straightthrough a board that is 10.0 cm thick. What is the average acceleration of thebullet through the board
Two tug boats are towing a ship. Each exerts a horizontal force of 5 tons and the angle between their towropes is 90 degrees. What net force is exerted on the ship?
How close to the edge of the 28.0 kg table, that is 2.2m with legs 1.2m apart, can a 62.0 kg person sit without tipping it over.
Suppose one gallon of gasoline produces 1.1 x 108 J of energy, and this energy is sufficient to operate a car for twenty miles. how many miles could the car go with that energy
A coin is located 18.0 cm to the left of aconverging lens (f = 16.0 cm). Find the separation between the lenses
A cylindrical disk has volume 8.98*10-3 m3 and mass 7.98 kg. The disk is floating on the surface of some water by its flat surfaces horizontal. The area of each flat surface is 0.636 m2.How far below the water level is its bottom surface?
A generator has a terminal voltage of 107 V when it delivers 18.0 A and 106 V when it delivers 30.0 A. Calculate the emf () and the internal resistance (r) of the generator. = 1 V r = 2 Your response differs from the correct answer by more than 100%.
part 1 a 500g bar 0.8m across moves with a velocity 5.0 meters per second. the total resistance of the wire is 0.5
an eagle is flying horizontally at 5.5 ms with a fish in its claws. it accidentally drops the fish. a how much time
A car of mass 1430 kg traveling at 28 m/s is at the foot of a hill that rises 105 m in 3 km. Find the average power delivered by the car's engine
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