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A car starts from rest on a circular track that has a radius of 300m. It accelerates with a constant tangential acceleration of at= 0.75m/s^2. Determine the distance travelled and the time elapsed when the magnitude of the cars total acceleration is 0.9m/s^2
An athlete swings a 4.50-kg ball horizontally on the end of a rope. The ball moves in a circle of radius 1.000 m at an angular speed of 0.540 rev/s. What is the tangential speed of the ball
a double slit is illuminated with monochromatic light of wavelength 500nm. the m1 bright fringe is located 2.0 cm from
A polar bear starts at the North Pole. It travels 1.0 km south, then 1.0 km east, then 1.0 km north, What was the bear's average speed
A 2.00-g charged particle is released from rest in a region that has a uniform electric field = (160 N/C), Determine the charge of the particle
A railroad freight car weighing 42 tons and traveling 10 m/s overtakes another freight car weighing 20 tons and traveling at 4.5 m/s in the same direction as the first. a. Find the speed and kinetic energy of the cars if they collide and couple toget..
Two shuffleboard disks of equal mass, one orange and the other yellow, are involved in an elastic, glancing collision. Determine the final speed of each disk
A ball of mass 0.240 grams and positive charge, q =39.3 microC, is suspended on a string of negligible mass in a uniform electric field. We observe that ball hangs at an angle of theta =15.0 o from the vertical. What is the magnitude of electric f..
Water flows at 0.990m/s from a hot water heater, through a 450-kPa pressure regulator. What is the flow speed in this pipe
Bill is flying an airplane with air speed 30.0 m/s. going south. Mike is on the ground and sees the plane traveling 25.0 m/s, 15 degrees east of south. What is the component of the wind's velocity to the north
A simple harmonic oscillator is constructed from a spring which is connected to a mass of 0.6 kg. What is the maximum velocity of the mass
A diver is practicing for a coming game. The height of the diving tower is 10 m (from the top of board down to water surface), What is the angle at which the diver enters the water
A 0.50 kg mass is attached to a spring of spring constant 20 N/m along a horizontal, frictionless surface. Find the potential energy stored in the spring when the mass is at its maximum displacement
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