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A 19.00kg lead sphere is hanging from a hook by a thin wire 3.40m long, and is free to swing in a complete circle. Suddenly it is struck horizontally by a 4.00kg steel dart that embeds itself in the lead sphere.
What must be the minimum initial speed of the dart so that the combination makes a complete circular loop after the collision?
Two tugboats pull a disabled supertanker. Each tug exerts a constant force of 2.00×10^6 km, What is the total work done by the two tugboats on the supertanker
Two particles, with charges of q1 = 60.0nC and q2 = ?60.0nC, are placed at the points with coordinates, Find the electric potential energy of the configuration of the three fixed charges
A 658-kg boulder is dropped into a mine shaft that is 2.1 x 103 m deep. During the boulder's fall, the system consisting of the Earth, Determine the binding energy (in Joules) of the Earth-boulder system
A squirrel has x- and y-coordinates ( 1.4m , 3.3m ) at time t1=0 and coordinates ( 4.8m , -0.40m ) at time t2 = 2.7s, Find the magnitude of the average velocity
A 3.50-kg steel ball strikes a wall with a speed of 13.0 m/s at an angle of ? = 60.0° with the surface. what is the average force exerted by the wall on the ball
As our bodies burn food as fuel, we radiate energy. Assume a person has a body surface area of 1.80 m2, What is the power radiated by the person
suppose the radius of the ball is very small compared to other length scales in the problem. Take starting level as step 0, the next step down as step 1, and so on.
A 2-kg block of ices slides frictionlessly down a plane inclined at 22° a distance of 2 m. What is the normal force on the block of ice
A series RLC circuit with L = 15 mH, C = 3.1 F, and R = 4.7 is driven by a generator with a maximum emf of 120 V and a variable angular frequency 8700. Find out phase angle (in degrees).
An object oscillates in 1-D with an amplitude of 10 cm. At t = 0 s, its position is x = - 5 cm, What is the velocity of the object
How much charge does the battery supply to each plate.
A 50.0-g object is attached to a horizontal spring, What is the velocity of the object when it is halfway to the equilibrium position if the surface is frictionless
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