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A bedroom bureau with a mass of 57 kg,including drawers and clothing, rests on the floor.
a) If the coefficient of static friction between the bureau and the floor is 0.45, what is the minimumhorizontal force a person must apply to start the bureaumoving?
b) If the drawers and clothing, with 20kg mass, are removed before the bureau is pushed, what is the new minimum magnitude?
A flywheel with a diameter of 0.510 m is rotating at an angular speed of 178 rev/min. What is the linear speed of a point on the rim of the flywheel
A small plastic sphere with a charge of -6.0nC is near another small plastic sphere with a charge of -15nC. what is the distance between the spheres
A 910 kg sports car collides into the rear end of a 2200 kg SUV stopped at a red light. calculates the speed of the sports car at impact
A heavy stone of mass is hung from the ceiling by a thin 8.25-g wire that is 65.0 cm long. When you gently pluck the upper end of the wire, What is the mass of the stone
Nate the Skate was an avid physics student whose main non-physics interest in life was high-speed skateboarding. What were Nate\'s speeds immediately before and after the collision
A 3.00 kg block starts from rest at the top of a 29.0 degree incline and slides 2.00 m down the incline in 1.65 s. Find the frictional force acting on the block
Venus has a mass of 4.0869*10^24 kg and a radius of 6,052 km. Calculate the acceleration due to gravity on Venus
A 13 cm long animal tendon was found to stretch 3.6 mm by a force of 13.2 N. Calculate the elastic modulus of this tendon
Commercial ultracentrifuges can rotate at rates of 100,000 rpm. Find the distance from the rotation axis of the sample chamber in such a device
7.5 mol of helium are in a 18 L cylinder. The pressure gauge on the cylinder reads 67psi, What are the temperature of the gas in Celsius and the average kinetic energy of a helium atom
A hydrogen atom has an angular momentum of 1.055x10^-34 kg.m^2/s. According to the Bohr model, what is the energy (eV) associated with this state
At an outdoor market, a bunch of bananas attached to the bottom of a vertical spring of force constant 16.0 N/m is set into oscillatory motion with an amplitude of 20.0 cm. What is the weight of the bananas in newtons
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