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A block rests on a horizontal surface, and the coefficient of static friction between the block and the surface is 0.418. The surface begins to move back and forth in the horizontal direction, vibrating in SHM with a constant amplitude of 10.8 cm but a gradually increasing frequency. Find the frequency at which the block begins to slide on the surface.
A car accelerates uniformly from rest and covers a distance of 71 m in 5.6 s. If the diameter of a tire is 42 cm, 1.) Find the angular acceleration of the wheel.
A plastic bag is filled with helium at atmospheric pressure and 18.0 oC. Assume that the mass of the bag is negligible, what is the required volume of the balloon if the air inside can be maintained at 39.0 oC
Given the strategic decisions in the case, Classify three leadership actions that the industry would need to be consider to implement the decisions. Explain why these are critical to implementing the strategic decision.
A 50.0kg pole vaulter running at 10.0m/s vaults over the bar. Assume that the vaulter's horizontal component of velocity over the bar is 1.0 m/s and disregarding air resistance, how high was the jump.
At first the spacecraft and the asteroid are at rest, 450m apart. How much time does it take for the ship and the asteroid to meet?
A rescue helicopter lifts a 90-kg person straight up by means of a cable, What is the tension in the cable and How much work is done by the tension in the cable
The distance between between the 1st and 10th minima of a double-slit system is 18 mm, find the wavelength of light generating the interference pattern
A 78 kg circus performer jumps from a 4.20 m height onto a trampoline and stretches it downward 0.3m. suppose that the trampoline obeys Hooke's law.
Consider a tungsten filament in a light bulb. After the bulb has been on for an hour, how has the resistance in filament changed (if at all).
A single loop of wire of radius 3 cm carries a current of 2.9 A. What is the magnitude of B on the axis of the loop at the following the center of the loop
How many protons hit the target. How much energy is delivered to the target each second if the protons each have a kinetic energy of 30 MeV and lose all of their energy in the target.
Magnitude your response differs from the accurate answer by more than 10%. Double check the calculations. N direction.what is the maximum speed car can have without losing contact with road as it passes this highest point.
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