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During simple harmonic motion, is there a time at which the position, velocity, and acceleration all have the same sign (+,-, or 0)? Explain?
"Beats" in sound refer to: Interference of two waves of the same frequency. Effect of relative motion of source and observer. Two media having slightly different sound velocities
When you take a bath, how many kilograms of hot water (51°C) should you mix with cold water (12°C) so that the temperature of the bath is36°C? The total mass of water (hot plus cold) is 189 kg. Ignore any heat flow among the water and its external su..
During 0.27 s, a wheel rotates through an angle of 2.20 rad as a point on the periphery of the wheel moves with a constant speed of 2.69 m/s
A 1.00 m diameter wagon wheel consists of a thin rim having a mass of 5.00 kg and six spokes each having a mass of 0.80 kg. Determine the moment of inertia of the wagon wheel for rotation about its axis
use the laws of classical mechanics to solve this problem. an atom of mass m moves in positive x direction with speed
Consider a rectangle which is constructed with the long side having a length L and the short side having a length 0. 5L. What is the linear speed of the outer edge when the rectangle is again vertical but now is straight down
A blue spruce pine tree has the shape of a triangle which is 15 cm off the ground. The triangle has a maximum diameter of 6 m and is 10 m tall. Estimate the drag on the tree if it is exposed to a 25 m=s wind. Use CD ¼ 0.4 in your calculations.
A circular-motion addict of mass 90 kg rides a Ferris wheel around in a verticalcircle of radius 10 m at a constant speed of 6.3 m/s. What is the period of the motion?
A bucket filled with water has a mass of 54 kg and is hanging from a rope that is wound around .050 m radius stationary cylinder. if the cylinder does not rotate and bucket hangs straight down, what is the magnitude of the torque the bucket produc..
An AC adapter for a telephone-answering unit uses a transformer to reduce the line voltage of 120 V (rms) to a voltage of 10.0 V. What is the rms power delivered to the transformer
A block of mass 4.0 kg lies on a horizontal surface. The coefficient of static friction among the block and the surface is 0.470. By raising one end of the surface, the angle (relative to horizontal) of the surface is slowly increased.
A 3.0 kg block slides along a horizontal, frictionless surface at 5.0 m/s the block hits an ideal spring with spring constant 2500 N/m. What is the maximum distance that the spring gets compressed
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