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A 20lb weight is suspended from the end of a vertical spring of negligible mass. This much weight stretches the spring by 6nches. It is then pulled 2 inches down and released.How is it to determine the y(t) and v(t)?Suppose that the spring weight is pulled 3 inches down andgiven an initial speed of 2 ft/s downward. Determine the positionand speed of the weight as a function of time.
A boat moves through the water with two forces acting on it. One is a 1800 N forward push by the water on the propeller, What will its velocity be at the end of that time
A rocket is fired straight upward from rest with an acceleratrion of 5 m/s^2. It maintains acceleration until it is 1300 m above the ground, What is the Rocket's velocity, Find the total amound of time the rocket is in the air
An 80.0 N box is pulled 19.0 m up a 30° incline by an applied force of 97 N that points upward, parallel to the incline. calculate the change in the kinetic energy of the box
What is the speed of the arrow as it leaves the bow.Two point charges, Q_1 = -6.9 mu C and Q_2 = 2.0 mu C are located between 2 oppositely charged parallel plates.
Suppose a 5.40 m diameter telescope were constructed on the Moon, what minimum separation between two objects
A wrecking ball (weight = 4600 N) is supported by a boom, which might be assumed to be uniform and has a weight of 3600N. As the drawing shows, a support cable runs from the top of the boom to the tractor. The angle between the support cable and t..
Refer to Interactive Solution 19.25 to review one way in which this problem can be solved, What is the distance of closest approach
A 50 ice skater spins about a vertical axis through her body with her arms horizontally outstretched, making 2.50 turns each second. The distance from one hand to the other is 1.5 . Biometric measurements indicate that each hand typically creates ..
Water is pumped into the tank until the air pressure reaches 4.0 atm. The temperature is constant. Find out the height of the compressed air.
The current through a 50-? resistor is I= 0.80 sin(240 t). How much power on average is dissipated in the resistor
The maximum magnetic field, or Bo, is 0.010 T in an electromagnetic wave. What is the average intensity of this wave
Explain by how much time is required for the bullet to reach the target? Using the approximate value of g = 10 m/s2, how far does the bullet fall in this time?
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