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A basketball player is standing on the floor 10.0 m from the basket. The height of the basket is H = 3.05 m, and he shoots the ball at an angle, ? = 36.4°, with the horizontal from a height of h = 1.82 m. (a) What is the acceleration of the basketball at the highest point in its trajectory? magnitude direction (b) At what speed must the player throw the basketball so that the ball goes through the hoop without striking the backboard?
State the direction as an angle with respect to the +x axis.
The speed of the block at the bottom of the track is vA = 13.1 m/s, and block experiences an average frictional force of 7.00 N while sliding up the track.
A car travelling at 19 {rm m/s} runs out of gas while travelling up a 21^circ slope. How far would the car go up the hill before it runs out of gas.
The longest "string" (a thick metal wire) on a particular piano is 3.0 m long and has a tension of 300.0 N. It vibrates with a fundamental frequency of 27.5 Hz. What is the total mass of the wire.
Throughout a race, runner runs 10.0 meters north, turns 45 degrees north of east, and runs 5 meters. Then, after a while, the runner turns due east and runs for 15 meters to finish the race. What is the magnitude and direction of the runner's tota..
How much energy is lost through the walls of the hot water heater in one week? (Assume thinner surface of the heater is 90 C and the outer surface is 27 C.)
A beam of 6 MeV electrons passes through a 400 micro-meter thick silicon detector. Estimate the energy lost by the electrons when crossing 200 micro-meters, 300 micro-meters and the full thickness of the detector.
A prospector finds a solid rock composed of granite (? = 2650 kg/m3) and gold. The volume of the rock is 3.40 10-4 m3 and its mass is 3.87 kg. a) What mass of gold is in the rock? b) What percentage of the rock is gold by volume? c) What percentag..
A generator uses a coil that has 140 turns and a 0.50-T magnetic field. The frequency of this generator is 60.0 Hz, and its emf has an rms value of 120 V. assume that each turn of the coil is a square (an approximation), find out the length of the..
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.
How high is the top of the ski lift relative to the base.
An oil drop whose mass is determined to be 3.3x10^-15 is held at rest between two large plates separated by 1cm while the potential difference between them is 340 V. How numerous excess electrons does this have here.
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