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An automobile whose speed is increasing at a rate of 0.600 m/s2 travels along a circular road of radius 20.0m. When the instantaneous speed of the automobile is 4.00 m/s discover the tangential acceleration, centripetal acceleration, and direction and magnitude of the total acceleration
An atomic nucleus initially moving at 420 m/s emits an alpha particle in the direction of its velocity and the remaining nucleus slows to 350 m/s. determine what speed does the alpha particle have when it is emitted
two newly discovered planets follow circular orbits around a star in a distant part of the galaxy. the orbital speeds
Light in air is incident at the polarizing angle on a certain piece of glass. The angle of refraction is 32°. Evaluate the index of refraction of the glass
A wagon is rolling forward on level ground. Friction is negligible. The person sitting in the wagon is holding a rock. The total mass of the wagon, person and rock is 95.0 kg. The mass of the rock is 0.300 kg. Originally the wagon is rolling forward ..
A 0.21-m-long, 0.15 kilogram thin rigid rod has a 0.22 kilogram mass stuck on one of its ends and a 0.080 kilogram mass stuck on the other end. Find the magnitude of the angular momentum of the system
a boy whirls a small stone attached to a 1.5m string in a horizontal circle 2.0m above the ground. the string suddenly
A 2.0 kg mass is connected to a spring with a spring constant of 9.0 N/m. What is the period of this simple harmonic motion
A 30.0N force is being applied to one end of a 60.0cm long rigid bar at an angle of 30 degrees. Calculate the torque being applied to the shaft
A metal ball bearing 1.0 cm above the bead feels a 0.035 N downward electric force, What is the charge on the ball bearing
what magnitude of horizontal force must the person apply to keep it moving with constant velocity? c) If the person continued to push with the force used to start the motion, what would be the acceleration of the trunk.
find static friction between the chair and the floor.
A bowling ball is released at the upper edge of a ramp that is inclined at an angle of 37o with the floor. Determine the total kinetic energy of the bowling ball at the bottom of the ramp
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