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A 100 g ball attached to a spring with spring constant 2.50N/m oscillates horizontally on a frictionless table. Its velocityis 20.0 cm/s when x = -5.00 cm.
a) What is the amplitude of oscillation?b) What is the speed of the ball when x = 3.00 cm
q1. the resistor in a circuit has a resistance of 148 ohms. what capacitance should be used in this circuit if the time
A 131 kg sign hangs between two buildings by two cables. Cable 1 is attached at a 36 degree angle wrt to the horizontal, and Cable 2 is attached at a 24 degree angle wrt to the horizontal. What is the tension in cable 1.
A coil of 57 turns of wire has diameter has diameter of 9.5 cm and carries 7.2 Amperes. find How many Gauss is that
A bug that has a mass mb = 3 g walks from the center to the edge of a disk that is freely turning at 20 rpm. The disk has a mass of md = 13 g. what is the new rate of spinning in rpm
Intense white light is incident on a diffraction grating that has 720 lines/mm. What is the angular separation between the violet edge (400 nm) and the red edge (700 nm) of the first order spectrum produced by the grating
When a .22-caliber rifle is fired, the expanding gas from the burning gunpowder creates a pressure behind the bullet. determine the average pressure of the expanding gas
A string under a tension of 49.0 N is used to whirl a rock in a horizontal circle of radius 2.40 m at a speed of 20.8 m/s on a frictionless surface, What is the breaking strength, in newtons, of the string
The power crossing a surface perpendicular is equal to the intensity at the surface times the area of the surface. Since the source emits uniformly in all directions, the light intensity is the same at all points on the imaginary spherical surface..
You jump horizontally from a cliff next to the ocean at a speed of 7.8 m/s. The cliff is 33.9 meters above the ocean. How far from the base of the cliff will you splash
a frictionless pulley which can be modeled as a 0.80 solid cylinder with a 0.30 m radius has a rope going over it. The tension in the rope is 10 N on the right side and 12 N on the left side. What is the angular acceleration of the pulley.
A cat drops from a shelf 3.7ft above the floor and lands on all four feet. His legs bring him to a stop in a distance of 12 cm . Calculate his speed when he first touches the floor (ignore air resistance). Calculate how long it takes him to stop.
A 1000kg car is moving at a constant speed of 7 m/s when it hits the back bumper of another car with 1200kg of mass moving in the same direction at a constant speed of 6m/s
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