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Q1. While a roofer is working on a roof that slants at 44.0 above the horizontal, he accidentally nudges his 93.0 toolbox, causing it to start sliding downward, starting from rest.
Q2. Two balls, of masses m_A = 44 {rm g} and m_B = 61 {rm g}, are suspended. The lighter ball is pulled away to a 66 ^circ angle with the vertical and released. Assume that the positive x axis is fixed to the right. Q3. A potter's wheel having a radius 0.55 m and a moment of inertia 13.8 kg•m2 is rotating freely at 50 rev/min. The potter can stop the wheel in 4.5 s by pressing a wet rag against rim and exerting a radially inward force of 69 N. Find out an effective coefficient of kinetic friction between the wheel and the wet rag.
Compute gauge pressure of the flowing water
A friend of yours is loudly singing a single note at 411 Hz while racing toward you at 25.5 m/s on a day when the speed of sound is 341 m/s.
A guitar string is 90cm long and has a mass of 3.6g from the bridge to support post (L) is 60cm and the string is under the tension of 560. What are the frequencies of fundamental and first two overtones.
A shell, fired from a cannon, has a muzzle speed (the speed as it leaves the barrel) of 800 ft/s. The barrel makes an angle of 45o with the horizontal and, for ease; the barrel opening is assumed to be at ground level.
A 65Kg ice skater pushes off his partner and accelerates backwards at 1.3m/s^2. If the partner accelerates in the opposite direction at 2.0m/s^2, what is mass of the other skater.
Find out the angular velocity at the beginning of the 4.60 interval; the angular acceleration of the flywheel.
What is the y component (in Newtons) of F
Write down an energy transformation equation
What is Horizontal angle of projectile
Two people are carrying a uniform wooden board that is 3.00 m long and weighs 160 N. If one person applies an upward force equivalent to 60 N at one end, at what point does the other person lift . If the tangential acceleration of a yo-yo at the en..
Compute average magnetic flux through turn of inner solenoid
What is error in the simple pendulum approximation
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