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A shell is shot with an initial velocity v0 of 44 m/s, at an angle of ?0 = 60° with the horizontal. At the top of the trajectory, the shell explodes into two fragments of equal mass. One fragment, whose speed immediately after the explosion is zero, falls vertically. How far from the gun does the other fragment land, assuming that the terrain is level and that the air drag is negligible?
Two large identical flat metal plates are placed parallel to one another, seperated by a small distance compared to their linear size. One plate is given a charge per unit area 2.50E-5 C/m2 and the other a charge per unit area -2.50E-5 C/m2. Using..
A volleyball player's 3.7 kg arm moves at an average angular velocity of 15 rad/s during execution of a spike. what is the average radius of gyration for the arm during the spike
q1. a 3.0 kg basketball travelling at 15ms collides with the 2.0- kg baseball which is initially at rest in the elastic
A dedicated sports car enthusiast polishes the inside and outside surfaces of a hubcap that is a thin section of a sphere. How far is her face from the hubcap
Concrete is pumped from a cement mixer to the place it is being laid, instead of being carried in wheelbarrows. Calculate the resistance of the hose
A molecule consists of two atoms. How far from the first atom is the center of mass of the molecule
A 7450kg iceberg with density 931 kg/m3 is afloat in seawater with density 1030 kg/m3. Find the volume of water displaced by the iceberg
If the velocity of the car is increased to 50 km/ hour, what is its kinetic energy. if the velocity is improved to 75 km/ hour, what is its kinetic energy.
A 80 kg person sits on a 4 kg chair. Each leg of the chair makes contact with the floor in a circle that is 1.3 cm in diameter. Find the pressure in pascals exerted on the floor by each leg of the chair, assuming the weight is evenly distributed.
presume you had job offers from two companies that differed only in how often they produced CEOs. Would these differences affect your decision.
Two balls of the same mass areaccelerated by the different net forces such that one ball gains avelocity twice that of the other ball in the process.
If the string is 9.50 m long, has a mass of 55g and is pulled taut with a tension of 9.5 N, how much time does it take for a wave to travel from one end of the string to other.
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