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A soccer player kicks the ball toward a goal that is 11.0 m in front of him. The ball leaves his foot at a speed of 17.4 m/s and an angle of 39.0 ° above the ground. Find the speed of the ball when the goalie catches it in front of the net. Please show work.
A box weighing 215 N is placed on an incline plane that makes an angle of 350 with the horizontal. Compute the component of the weight perpendicular the plane
Consider a constant net force of 15.0 N acting on 22 degrees below the x-axis, find the work done by the net force.
Light is incident from one medium with an index of refraction of 2.29 at an angle of 29.12 degrees with respect to the normal to the surface. The light then passes into another medium with a refractive index 1.44. With what angle is the light refr..
How much work has he done? (b) Another player, wearing clothes that offer better protection against heat loss, is able to remain in the game long enough to do 2.1 × 105 J of work. What is the magnitude of the heat that he has lost?
The electron's magnetic moment is known as the "Bohr Magnetron" and has a theoretical value of ?B?eh4?m, where "h" is Planck's constant (h=6.63×10?34 J?s), Calculate the magnetic moment value of the Bohr Magnetron
A 61.2-kg boy at rest on roller skates throws a 0.915-kg ball horizontally with a speed of 7.44 m/s. With what speed does the boy recoil
A simple pendulum is 4.00 m long. What is the period of small oscillations for this pendulum if it is located in an elevator accelerating upward at 2.00 m/s2
A sample contains 8.90×104 radioactive nuclei. In a time of 5 minutes, 1.90×103 of the nuclei decay. Evaluate the half life of the sample
A hemispherical observation dome is proposed for a new tourist oceanarium and the owners want it as large as possible and as deep as possible. What is the maximum diameter y2 of the dome that is safe from seal failure
An electric heater carries a current of 12.5 A when operating at a voltage of 3.60 102 V. What is the resistance of the heater
The position of a particle moving along an x axis is given by x = 17t2 - 6.0t3, where x is in meters and t is in seconds. What is the maximum positive coordinate reached by the particle
A 12.0-g piece of Styrofoam carries a net charge of -0.746 µC and is suspended in equilibrium above the center of a large, What is the charge per unit area on the plastic sheet
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