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A object-spring system oscillates with an amplitude of 2.8 cm. If the spring constant is 205 N/m and object has a mass of 0.50 kg, determine each of the following values.
(a) the mechanical energy of the system.
(b) the maximum speed of the object.
(c) the maximum acceleration of the object.
Predict the effect on concentration of SO3 as equilibrium is achieved by using Q, the reaction quotient. 2 SO3(g) 2 SO2(g) + O2(g
A rocket has a mass of 1.2kg and is acted upon by an impulse from the engine of 130.5 N s during the 2 seconds the engine is firing. Determine the average net force acting on the rocket while the engine fired?
Light strikes a cube with index of refraction (2) at an angle of 30 deg. At what angle will the light exit the cube
A point charge q1=4nC is placed at the origin, and a second point charge q2= -3nC is placed on the x-axis at x= 20cm. A third point charge q3=2 nC is to be placed on the x-axis between q1 and q2.
A low-voltage device like an electric bell obtains its electricity from a 120 V source, but requires only 4–8 V. Thus,it requires a small transformer. This often takes the form of an autotransformer, which has only one winding around a single core..
a golf ball of mass .05 kg is at rest on the tee and has a velocity of 102 m/s immediately after being struck. what is the average force exerted on the ball
A standing wave on a string that is fixed at both ends has frequency 80.0 Hz. What is the speed of the waves on the string
A rock is thrown vertically upward with a speed of 17.0 m/s from the roof of a building that is 70.0 m above the ground. Assume free fall. What is the speed of the rock just before it strikes the ground
A 10. kg blocks rests on a table (on Earth) and 0.50 is the coefficient of static friction. what is the maximum horizontal pull that will not move the block
A parallel plate capacitor of capacitance 4.9 µF has the space between the plates filled with a slab of glass with ? = 4.0. Find the charge on the plates after the glass is removed
A 23--long log of irregular cross section lies horizontally, supported by a wall at one end and a cable attached 4.0 from the other end, Find the log's center of gravity
A box of books weighing 302 N is shoved across the floor of an apartment by a force of 401 N exerted downward at an angle of 35.2o below the horizontal. how long does it take to move the box 4.00 m, starting from rest
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