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A spring-loaded toy gun is used to shoot a ball of mass straight up in the air, as shown in the figure. (Figure 1) The spring has spring constant . If the spring is compressed a distance of 25.0 centimeters from its equilibrium position and then released, the ball reaches a maximum height (measured from the equilibrium position of the spring). There is no air resistance, and the ball never touches the inside of the gun. Assume that all movement occurs in a straight line up and down along the y axis. Find the muzzle velocity of the ball (i.e., the velocity of the ball at the spring's equilibrium position ). Find the maximum height hmax of the ball.
A scaffold of mass 43 kg and length 7.0 m is supported in a horizontal position by a vertical cable at each end. What is the tension in the cable closer to the painter
A state trooper chases a speeder; along a straight road; both vehicles at 160km/h. The serin on the troopers vehicle produces sound at a frequency. Doppler shift in the frequency heard by the speeder
A piece of string 5.30 m long has a mass of 14 g. What must the tension in the string be to make the wavelength of a 128 Hz wave 120 cm.
Model the electromagnetic wave in a microwave oven as a plane traveling wave moving to the left, with an intensity of 26.3 kW/m2. An oven contains two cubical containers of small mass, each full of water.
Tarzan has a mass of 75.0 kg and is swinging on a vine that is 8.00 meters long. What is the maximum speed at which he can swing
Suppose the velocity of a bug as a function of time is given by the following function between 0 and 2 s, Find the average speed of the bug for the whole two second trip
Magnetic measurements have been made on some lavas found at 60*N, 90*W. what is the subsequent error in the calculated paleolatitude
In outer space a rock of mass 8 kg is acted on by a constant net force N during a 5 s time interval. What was the rock's velocity at the beginning of the time interval
Blocks A (mass 7.00kg ) and B (mass 10.00kg ) move on a frictionless, horizontal surface. Find the maximum energy stored in the spring bumpers and the velocity of each block at that time. Find the maximum energy
A 2.5 kg block of ice at a temperature of 0.0 C and an initial speed of 5.7 m/s slides across a leveled floor. If 3.3 x 10^5 J are required to melt 1.0 kg of ice, how much ice melts, assuming that the initial kinetic energy of the ice block is entire..
A group of students determined that the following points were upon the best fit line for a graph of W2 vs. Determine the total mass of the system
while Jo moves off in the opposite direction at a speed of 0.946m/s. assuming that friction is negligible, find out Al's mass.
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