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A pot containing a plant, weighing 76 N is hung from the ceiling with a group of bungee cords. If pulled down and released, the pot oscillates vertically with period 6 s. What is the effective force constant k (in N/m) of the group of bungee cords?
a block is connected between two springs on a frictionless, horizontally level track. the other end of each spring is respectively anchored to a vertical pin set at opposite ends of the track. what is the spring constant of the other spring
For someone who chooses y=0 to be 5 meteres above the ground and up as positive, what will he get for the potential energy
An uncharged spherical conducting shell surrounds a point charge - q at its centre. Then a charge +3q is placed on the outside surface of shell.
A platform is rotating at an angular speed of 2.1 rad/s. A block is resting on this platform at a distance of 0.33 m from the axis. determine the smallest distance from the axis
when tension would be required to create a wave with 4 segments in a string which is 100 cm long weighing 6.50 g. if it is attached to a vibrator with frequency of 100 hz
Two cars are on the highway and moving at speeds of v1 = 14.5m/s and v2 = 70.2m/s. What is the frequency of the second car's engine
A box is put on a slide to move it from one part of a factory to another the slide is at an angle of 20 degrees below the horizontal the coefficient of friction between the box and slide is 0.352 what is the acceleration of the box.
A thin film of oil (n = 1.22) is located on smooth, wet pavement. When viewed from a direction perpendicular to the pavement, What is the minimum thickness of the oil film
The left face of a bioconvex lens has a radius of curvature of 10.3 cm, and the right face has a radius of curvature of 15 cm. Calculate the focal length of the lens
A novice golfer on the green takes three strokes to sink the ball. The successive displacements of the ball are 4.00 m to the north, 2.00 m northeast, and 0.90 m at 35.0° west of south. begining at the same initial point, an expert golfer could ma..
In order to calculate the number of ways of arranging a given amount of energy in a tiny block of copper, How many atoms are in the copper block
An AC generator has a sinusoidal EMF with a maximum value of 25.0 V and a frequency of 60.0 Hz; what is the power output of the generator
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