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Question: List and explain briefly similarities and differences between the electric force between two charges and the gravitational force between two masses.
A chair of weight 70 lies atop a horizontal floor; the floor is not frictionless. You push on the chair with a force of = 37.0 directed at the angle of 42 below the horizontal and the chair slides along the floor.
A solid, uniform disk of radius 0.250 m and mass 61.6 kg rolls down a ramp of length 4.60 m that makes an angle of 16° with the horizontal. Find the speed of the disk's center of mass when it reaches the bottom of the ramp
Consider three identical metal spheres, A, B, and C. Sphere A carries a charge of +7q, What is the ratio of the final charge on sphere C to q, What is the ratio of the final total charge on the three spheres to q
In order to fabricate a uniform wire of resistance 2.7 ?, out of m=1 g copper which has a density of 8.92×103 kg/m3, What should be the length of the wire
A ball with a mass of 0.75 kg is thrown vertically into the air with an initial velocity of 10 m/s. establish the velocity of the ball when it hits the ground if it was initially released 2.0 m above the ground.
Consider a particle in the ground state of the harmonic oscillator. Obtain the wavefunction in momentum space. Calculate the probability of ending the particle between x = 0 and x = 2*(2h/(m?))^1/2 in two ways: using the real space wavefunction and ..
A car is designed to get its energy from a rotating flywheel (solid disk) with a radius of 1.00 m and a mass of 550 kg. Find the kinetic energy stored in the flywheel
How much energy is lost through your hands in one minute after touching on a cold surface at 10 C compared to being exposed to cold air at 10 C
A certain nuclear power plant has an electrical power output of 420 MW. The rate at which energy must be supplied to the plant is 1,570 MW. At what rate is thermal energy expelled by the plant
A 11.3 kg object hangs in equilibrium at the end of a rope (taken as mass less), while a wind pushes the object with a 64.9 N horizontal force, Find the tension in the rope and the rope's angle from the vertical
A laser beam is incident on two slits with a separation of 0.10 mm, and a screen is placed 4.00 m from the slits. what is the wavelength of the laser light
A long thin rod of mass m = 100 g and length L = 1 m is pivoted about one end and oscillates in a vertical plane. Find the period (in s) of small oscillations
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