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A person having a spherical shape with mass M has a center of mass a distance h above a thin, infinite sheet of mass with mass density sigma. Determine the force on the person in terms of h, sigma, M and fundamental constants. Assume the charges are of equal sign.
A wire made of gold is 940 m long and has a cross-sectional area of29.3 multiplied by 10-7 m2. It isobserved that 782.1 C pass through thewire in 91.3 s. The resistivity ofgold is 2.44multiplied by 10-8 Ω· m. Determine the power loss of the wire.
A basketball player makes a jump shot. The 0.650-kg ball is released at a height of 1.90 m above the floor with a speed of 7.17 m/s, What is the work done on the ball by air resistance, a nonconservative force
A duck has a mass of 2.6 kg. As the duck paddles, a force of 0.11 N acts on it in a direction due east. In addition, the current of the water exerts the force of 0.12 N in a direction of 44° south of east. When these forces begin to act, the velocity..
In a mass spectrometer, a singly ionized 24Mg ion has a mass equal to 3.983 10-26 kg and is accelerated through a 2.60-kV potential difference. Find the radius of curvature of the ion's orbit
An arrow is fire with a speed of 20m/s at the block of Styrofoam resting on a smooth surface. The arrow penetrates a certain distance into the block before coming to rest relative to it.
You have a concave spherical mirror with a 10.3-cm radius of curvature. You place an object on the mirror\'s axis, How far is the object\'s image from the mirror
A copper wire 100 cm long and .20 cm in diameter is suspended from a solid support. A 10 kg mass is hung from the lower end of the wire. Determine the stress of the wire and determine the strain in the wire.
q1. how high does a rocket have to go above the earths surface until its weight is 0.8 times its weight on the earths
A large balloon of mass 222 kg is filled with helium gas until its volume is 335 m3. Assume the density of air is 1.29 kg/m3 and the density of helium is 0.179 kg/m3. Calculate the buoyant force acting on the balloon
A square loop of wire with dimensions L x L lies in the xy plane, moving along the x direction with a speed v. Find the induced emf as the loop moves from one region to the next
A ferryboat transports tourists among three islands. It sails from the first island to the second island, 5.78 km away, Calculate the distance between the first and third islands
A rifle with a weight of 20 N fires a 3.5-g bullet with a speed of 250 m/s. (a) Find the recoil speed of the rifle. Incorrect: Your answer is incorrect. Your response differs from the correct answer by more than 10%. Double check your calculations. m..
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