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A soccer player takes a penalty kick 11.0m from goal. To score, she has to shoot the ball under the 2.44m high cross bar. if she kicks at 19m/s what range of launch angles will result in goal. note the ball is permitted to strike the ground before reaching the goal.
A 3.00-m long rod is hinged at one end. The rod is initially held in the horizon position, and then released as the free end is allowed to fall. What is the angular acceleration as it is released
The reel has radius R and moment of inertia I. One end of the block of mass m is connected to a spring of force constant k, and the other end is fastened to a cord wrapped around the reel. The reel axle and the incline are frictionless. The reel i..
Calculate the force required to pull a copper ball of radius 3.00 cm upward through a fluid at the constant speed 8.00 cm/s
suppose that each vehicle is initially moving at 9.60 ms and that they undergo a perfectly inelastic head-on collision.
It was a dark and stormy night, when suddenly you saw a flash of lightning. how far away was the lightning bolt
a projectile is shot upward off a 475 m high cliff with a speed of 65m/s at an angle of 48 with respect to the horizontal. What is the velocity of the pojectile upon landing
A cannon is aimed at an angle of 30 degrees above the horizontal. It fires a cannonball into the direction of a valley with a muzzle velocity of 100m/s. What is the maximum height of the ball
question1a light ray of wavelength 589 nm is incident at an angle theta on the top surface of a block of polystyrene
A point particle that has a charge of 18.5 µC is located at x = 0, y = 0 and a point particle that has a charge q is located at x = 14.8 cm, y = 0. The electric force on a point particle that has a charge of 7.4 µC at x = 29.6 cm, y = 0 is -(19.7)..
A 2.5 kg particle-like object moves in a plane with velocity components vx = 40 m/s, What is its angular momentum relative to the origin at this moment
A model of a red blood cell portrays the cell as a sphericalcapacitor, a positively charged liquid sphere of surface areaA separated from the surrounding negatively charged fluidby a membrane of thickness t.
A baton consists of a 10-cm rod of mass 200 g with small metal spheres, each of mass 100 g, on either end. Calculate the moment of inertia of the baton about an axis through the center of the rod and perpendicular to it
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