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A ball swings in a vertical circle at the end of a rope 1.30 m long. When the ball is 37.3 ° past the lowest point on its way up, its total acceleration is (âˆ'22.5 i + 20.2 j ) m/s2. For that instant, do the following.
(a) Sketch a vector diagram showing the components of its acceleration.
(b) Determine the magnitude of its radial acceleration.
(c) Determine the speed of the ball.
(d) Determine the velocity of the ball - Give the magnitude and direction.
An airplane is in level flight at a velocity of 158 m/s and at an altitude of 1300 meters when one of its wheels falls off. What is the vertical velocity of the wheel
A cannon tilted up at a 25 degree angle fires a cannon ball at 81.0m/s from atop a 18.0m -high fortress wall
A rocket of total mass 3180-kg is travelling in outer space with a velocity of 115 m/s toward the Sun.
A 24N crate is held at rest on a frictioneless incline by a rope that is parallel to the incline. The incline is 25 degrees above the horizontal
The power of a certain CD player operating at 120V rms is 20.5W. determine the maximum instantaneous power
A circular coil 19.0cm in diameter and containing nine loops lies flat on the ground. Determine the torque on the coil. Express your answer using three significant figures and include the appropriate units
An electron librated from a hot filament cathode is attracted by an anode with a potential of 1200V positive with respect to the filament. Compute the speed of the electron when it strikes anode.
A satellite is in a low circular orbit about the Earth (such as it just skims the surface of the Earth). How long does it take to make one revolution around Earth.
The speed of a passenger train is 16mph faster than the speed of a frieght train. The passenger train travels 330 miles in the same time it takes the frieght train to travel 250miles. find the speed of each train.
Three equal point charges, each with charge 1.45?C, are placed at the vertices of an equilateral triangle whose sides are of length 0.650m
you notice that the image flips when you are 0.500 m from the mirror. Determine the radius of curvature for the mirror
Parallel conducting tracks, separated by 2.79 cm, run north and south. There is a uniform magnetic field of 1.27 T pointing upward (out of the page). What is the direction of the magnetic force on the rod
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