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Two blocks are connected via a string draped over frictionless pulley. assume that the string and the pulley have negligible mass.
A) what is the minimum value of the coefficient of static friction that would keep the blocks from moving ?
B) what is the acceleration on the moving blocks when the coefficient of kinetic friction UK is .070?
The highest recorded waterfall in the world is found at Angel Falls in Venezuela. Its longest single waterfall has a height of 807 m. If water at the top of the falls is at 16.3°C, what is the maximum temperature of the water at the bottom of the fal..
You are a professional frontier re-enactor who specializes in making lead shot. To do this you put 1.3 kg of ice into 1.3 kg of water, both at 0 C, into an insulated bucket.
A 75 kilogram man is standing on a scale in an elevator. Determine what is the reading in Newton if the elevator is at rest? Moving up at a constant velocity of 2.0 m/s and accelerating up at 2.0 m/s
A speedboat increases its speed uniformly from v1 = 20 m/s to vf = 25 m/s in a distance of 2.40 102 m. (a) Draw a coordinate system for this situation and label the relevant quantities, including vectors.
There are two light bulbs in a circuit, powered by one battery. One light bulb is a 100 watt light bulb and the other a 200 watt light bulb. How much power must the battery be supplying for the lights to be running at full power?
A wire encloses an irregularly shaped surface that is symmetric about the z-axis and lies in the xz-plane. A 2A current flows through the wire. What is the area it encloses
A singly ionized Nickel atom has an overall charge of 1.602 x 10^-19C and a mass m = 9.80 x 10^-26 g. what will the radius of the curved path that the Nickel atom has within the deflection chamber be
At the equilibrium position, the piston is situated at the hight l0 from the bottom of the cylinder. The pressure outside of the cylinder is P0, the cross section of the cylinder and the piston is S.
An archer pulls her bowstring back 0.360 m by exerting a force that increases uniformly from zero to 230 N. What is the equivalent spring constant of the bow? (N/m) How much work does the archer do in pulling the bow? (J)
The total accleration of the sphere and the thread tension as a function of θ, the angle of defliction of the thred from the virtical.
A mountain climber stands at the top of a 32.5-m cliff that overhangs a calm pool of water. What initial velocity must the second stone have had, given that they hit the water simultaneously
A converging lens has a focal length of f = 27 cm. An object is placed 37 cm from the lens. Find the size of the image
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