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A 10.0 kg object starting from rest falls through a viscous medium and experiences a resistive force R = - b v where v is the velocity and b=3.35 Ns/m. Find the terminal speed of the object. (you can neglect the buoyancy force).
A proton with kinetic energy of 6.20 × 106 eV is fired perpendicular to the face of a large plate that has a uniform charge density of ? = +2.50 ?C/m2. What is the magnitude of the force on the proton
If the average molecular mass of compounds in food is 47.5, how many molecules are there in 1.00 kg of food, Find the ratio of ion pairs to molecules
A ball of mass 522 g starts at rest and slides down a frictionless track. It leaves the track horizontally, striking the ground a distance of 1 m from the end of the track after falling the vertical distance 1.25 m from the end of the track.
A string requires a 186 N force in order to break. A 1.50 kg mass is tied to this string and whirled in a vertical circle with a radius of 1.90 m. What is the highest speed that this mass can be whirled without breaking the string.
question. no 1a light bulb is connected to a 260v potential and produces 120-watts of light and heat. what is the
A rock is dropped from a sea cliff, and the sound of it striking the ocean is heard 2.8 later. If the speed of sound is 340 , how high is the cliff
As astronauts travel between the Earth and the moon, their mass remains constant, but their weight diminishes. Determine the minimum weight an astronaut would have
A 51.0-g Super Ball traveling at 27.0 m/s bounces off a brick wall and rebounds at 21.5 m/s. what is the magnitude of the average acceleration of the ball during this time interval
A helicopter flies over the arctic ice pack at a constant altitude, towing an airborne 132-kg laser sensor that measures the thickness of the ice, find the tension in the cable towing the sensor
An object is placed to the left of a convex lens and on the optical axis. What is the magnification of the image formed by the lens
A cube of mass m = 7.15 kg is placed on an inclined plane of mass M = 6.67 kg, which makes an angle ? = 48.30° with the horizontal. What is the normal force on the inclined plane from the table underneath it
Two infinite parallel plates separated by distance S are at potentials 0 and V0. What are the charge densities on the plates
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