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Recent studies have raised concern about `heading' in youth soccer (i.e., hitting the ball with the head). A soccer player `heads' a size 5 ball, deflecting it by 36.0 deg, but keeping its speed of 10.40 m/s constant. A size 5 ball has a mass of approximately 0.416 kg.a) What is the magnitude of the impulse which the player imparts to the ball?b) If the player's head has a mass of 4.50 kg, what is the magnitude of the average acceleration of the player's head during the impact? Assume that over the brief time of the impact, 31.00 ms, the player's head can be treated separately from the player's body.
A man drags a 72.0 kg crate across the floor at a constant velocity by pulling on a strap attached to the bottom of the crate. The crate is tilted 26 degrees above the horizontal, and the strap is inclined 68 degrees above the horizontal. The center ..
Consider the sinusoidal wave of in the figure below with the wave function y = 0.150 cos (15.7x ? 50.3t) where x and y are in meters and t is in seconds. At a certain instant, let point A be at the origin and point B be the closest point to A along t..
A diving chamber is cylindrical in nature with the bottom open above the surface of the water the chamber's volume is completely filled with air as the chamber is submerged the air is compressed to a smaller volume
Light traveling in water strikes the boundary between two mediums at an angle of 35 degrees. what is the wavelength of the refracted light traveling at 1.85x10^8m/s
a diver runs horizontally with a speed of 1.2 m/s off a platform that is 5.0 m above the water. What is the speed just before striking the water
Find the center of mass of a system composed of three spherical objects with masses of 3.4kg , 2.3kg , and 4.2kg and centers located at (-6.2m , 0), (2.0m , 0), and (2.8m , 0), respectively.
Illustrate how much ice must melt in order to cool the hot water down to this temperature?
A torque of 14Nm is applied to a heavy wheel whose moment of inertia is 34 kgm2. What is the angular acceleration of the wheel
A string with a length of 0.7 m is fixed at both ends. find the frequency associated with this longest wavelength
You ionize a hydrogen atom with a photon with wavelength 77.5nm. What orbital was the electron in before ejection
An object is solid throughout. When the object is completely submerged in ethyl alcohol, its apparent weight is 14.9 N. compute the volume of the object
A bowling ball (mass = 7.4 kg, radius = 0.11 m) and a billiard ball (mass = 0.39 kg, radius = 0.028 m) may each be treated as uniform spheres. find What is the magnitude of the maximum gravitational force
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