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A light but rigid stick is attached to a small weight. The other end of the stick is attached to a pivot. The pivot allows the stick and weight to spin in a vertical circle. The weight is pulled to the side making the stick horizontal and is thrown down. If the length of the stick is 0.40 m, how fast should the weight be thrown downward so that it will just make it all the way around the circle?
A toy car begins rolling down a track from a height of H = 2.0m above the floor. The end of the track is h' = 0.20 m above the floor and makes an angle of theta =37 degrees as shown. When the car reaches the end of the track it flies through the air reaching a maximum vertical height h above the floor. Determine h.
A camera with interchangeable lenses is used to photograph a distant object. The angular size of the object is 27 degrees. What is the longest focal length lens
A 40.0 ball of clay travelling east at 6.00 collides and sticks together with a 20.0 ball of clay travelling north at 5.00. What is the speed of the resulting ball of clay.
create destructive interference between the speakers. Friction provides the force required for a car to travel around a flat, circular race track.
When two point charges are a distance R apart, their potential energy is -2.00 .How far (in terms of R) should they be from each other so that their potential energy is -6.00.
What will be the y-coordinate of the proton.
A charged paint is spread in a very thin uniform layer over the surface of a plastic sphere of diameter 12.0 cm, determine find the electric field just inside the paint layer
A man pushes a lawn mower on a level lawn with a force of 187 N. If 51 percent of the force is directed horizontally, how much work is completed by the man in pushing the mower 7.0 m.
One object is at rest, and another is moving. The two collide in a one-dimensional, completely inelastic collision. Determine the final speed of the two-object system
To measure signal propagation in a nerve in the arm, the nerve is triggered near the armpit. What is the speed of propagation along this nerve
In a certain RLC circuit, the RMS current is 6.42 A, the RMS voltage is 235 V, and the current leads the voltage by 55.6°. Calculate the average power dissipated in the circuit
For a damped oscillator with a mass of 170g, the spring constant 92 N/m and a damping coefficient of 55g/s, what is the ratio of amplitude of the damped oscillations to the initial amplitude at the end of 22 cycles.
A baseball (m = 149 g) approaches a bat horizontally at a speed of 42.8 m/s (96 mi/h) and is hit straight back at a speed of 48.4 m/s (108 mi/h). what is the average force exerted on the ball by the bat
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