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A loudspeaker of mass 18.0kg is suspended a distance of h = 2.00m below the ceiling by two cables that make equal angles with the ceiling. Each cable has a length of l = 3.30m . Assume 9.8m/s^2 for the acceleration due to gravity.
What is the Tension T in each of the cables?
A test rocket is fired vertically upward from a well. A catapult gives it an initial speed of 80.6m/s at ground level. Its engines then fire and it accelerates upward at 3.80 m/s2 until it reaches an altitude of 930m. At that point its engines fai..
Diffraction plays an important role in which of the following phenomena.
A school yard teeter-totter with a total length of 5.2m and a mass of 36kg is pivoted at its center. A 19 kg child sits on one end of the teeter-totter.
What is the total mass of the reagents used in the combustion throughout the 30 days . The ball makes 17 oscillations in 16 seconds. What is it the mass of the ball.
A 282 kg log is pulled up a ramp by means of the rope that is parallel to the surface of the ramp. The ramp is inclined at 23.0° with respect to the horizontal. The coefficient of kinetic friction between the log and the ramp is 0.87, and the log has..
The bullet emerges from the block with a speed of 200 m/s, and the block rises to a maximum height of 12 cm. Evaluate the initial speed of the bullet. V = 530 m/s
A loudspeaker of mass 25.0 is suspended the distance of = 2.40 below ceiling by two cables that make equal angles with the ceiling. Each cable has a length of = 2.50. What is the tension in each of cables.
A 350 kg piano slides 3.90 m down a 23 degree incline slope, and is kept from accelerating by a man who is pushing back on it parallel to incline. What is the force completed by the man.
The index of refraction of air is 1, the index of glass 1.55 and the index of water 1.33. Characterize the air bubble as a point source.
What is an angular acceleration
Two balls of identical mass of 1.152 kg and with identical charges placed on them hang from the ceiling on identical strings of lengths 1.310 m. If the angle with respect to the vertical that the strings form is 24.5 degrees.
The disk would slide off the turntable if it is located at a radius larger than 16 cm from the axis of rotation. What is the coefficient of static friction.
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