Determining the direction of the initial velocity
A golf ball is struck with a five iron on level ground. It lands 90.8 m away 4.07 s later. What was the direction of the initial velocity? Give the angle counterclockwise relative to the horizontal.
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Ohm's law relates the resistance of a electrical device (like a heater) to the electric current flowing through the device and the voltage applied to it.
A ball is thrown upward from the top of a 27.2-m-tall building. The ball's initial speed is 10.2 m/s. At the same instant, a person is running on the ground at a distance of 39.4 m from the building. What must be the average speed of the person i
A horizontal force of 142 N is used to push a 44 kg packing crate a distance of 5 m on a rough horizontal surface. The acceleration of gravity is 9.81 m/s2. If the crate moves with a constant velocity. What is the coefficient of kinetic friction?
Two particles are fixed to an x axis: particle 1 of charge q1 = +2.1 10-8 C at x = 20 cm and particle 2 of charge q2 = -4.00q1 at x = 70 cm. At what coordinate on the axis is the net electric field produced by the particles equal to zero?
What are the basic chordate characteristics?
A 64 woman stands on a very light, rigid board that rests on a bathroom scale at each end. 1.5m left of her and 2.0m total. what is the reading on each of the scales?
Define the displacement of the airplane while the radar was tracking it:RBA=RB-RA . What are the components of RBA?
Draw a block diagram for internal organization of a 8M*32 memory module using 512K*8 static memory chips, also calculate the external connections.
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