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Solve the given problem:
Problem: Estimate the average force exerted on a soccer ball while it is being kicked hard. Assume the kicker is of World Cup quality!
Please provide a full detailed explanation for the solution. Thanks.
In her job as a dental hygienist, Kathryn uses a concave mirror to see the back of her patient's teeth. Find the focal length and radius of curvature of the mirror
a playground merry-go-round has a radius r and a rotational inertia i. when the merry-go-round is at rest a child with
A horse canters away from its trainer in a straight line, moving 140m away in 18s. It then turns abruptly and gallops halfway back in 4.9s.
A planet Z has a hole bored in it at its equator , and a shaft of light from it's star goes straight down that hole to the bottom, what is the circumference and radius of planet Z
a lawnmower has a six horsepower engine 1hp750w. the engine had an efficiency of 20. the throttle is set so that the
A mass m hangs from a uniform spring of constant k. what is the period of oscillations in the system
A swing is made from a rope that will tolerate a maximum tension of 1.0 * 10^3 N without breaking. What is the mass of the heaviest person who can ride the swing
A car with an initial velocity of 3.5 m/s coasts with the engine off and the transmission in neutral. If the combined effect of air resistance and rolling friction causes a deceleration of0.50 m/s2, after how long of a time will the car come to a sto..
A batter hits a pitched ball when the center of the ball is 1.09 m above the ground. The ball leaves the bat at an angle of 45° with the ground. With that launch, the ball should have a horizontal range (returning to the launch level) of 107 m.
The distance between the eyepiece and the objective lens in a certain compound microscope is 24.5 cm. Find the overall magnification of the microscope
The initial speed of a 1.96-kg box traveling up a plane inclined 37° to the horizontal is 3.31 m/s. How far along the incline does the box travel before coming to a stop
a solid aluminum ingot weighs 89n in the air. the ignot is suspended from a rope and totally immersed inn water. what is the tension in the rope
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