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An oscillating block - spring system has a mechanical energy of 1.70 J, and amplitude of 10.0 cm, and a maximum speed of 1.1 m/s. A) Find the spring constant. B)Find the mass of the block. C) Find the frequency of oscillation. (three questions)
A car is being pulled out of the mud by two forces that are applied by the two ropes shown in the drawing. The dashed line in the drawing bisects the 30.0° angle.
An object is placed to the left of a lens, and a real image is formed to the right of the lens. How far from the lens is the object
Which vector would return the hiker to the starting point? All angles are measured in a counter-clockwise direction from the positive x-axis.
The four strings pass over the bridge of a violin, as shown below. The strings make and angle of 72.0° with the normal to the plane of the instrument on either side of the bridge. determine the force pulling the segment back to its equilibrium posi..
An engineer wishes to determine the spring constant of a helical spring. She first puts enough weights on the spring to pull the coils apart. What is the best estimate of the spring constant
A point charge with charge q1 is held stationary at the origin. A second point charge q2 with charge moves from the point (x1, 0) to the point (x2,y2 ). How much work is done by the electrostatic force on the moving point charge? Express your answ..
A weight lifter raises a 1181 N weight a vertical distance of 2.10 m in a time interval of 2.25 s. Compute the power provided by the weight lifter's force
A 150g ball is thrown vertically upward from a window 10m above the ground at speed of 30 m/s What is the speed of the ball when it strikes the ground
The LC circuit of a radar transmitter oscillates at 30.2 GHz. What is the inductive reactance of the circuit at this frequency
How long did it take for officer to catch up to the car.
A diver 22m deep in 12°C fresh water exhales a 0.8 cm diameter bubble. What is the bubble's diameter just as it reaches the surface of the lake, where the water temperature is 25°C? Hint: suppose that the air bubble is always in thermal equilibriu..
An automobile weighing 1.80×104 N is moving with an initial speed of 64.0 km/hr along a flat highway. What is the time required to stop the automobile in the previous problem
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