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Question: What is the least acceleration with which a 45-kg person can slide down a rope if the rope can withstand a tension of only 310 N? Ignore friction between the person's body and the rope as the person slides down.
Please use as much detail as required in your answer. Thanks.
question1if a race car completes a mi oval track in s what is its average speed? did the car accelerate? i know what an
Lasers are utilized to try to produce controlled fusion reactions that might supply large amounts of electrical energy. The lasers need brief pulses of energy that are stored in large rooms filled by capacitors. One such room has a capacitance of 61 ..
Two flat surfaces are exposed to a uniform, horizontal magnetic field of magnitude 0.49 T. When viewed edge-on, the first surface is tilted at an angle of 11° from the horizontal, and a net magnetic flux of 8.10 10 -3 Wb passes through it. The same n..
an automobile having a mass of 900kg initially moves along a level highway at 100 kmh relative to the highway. it then
A 50 Ω resistor is connected in series with a 15 μFcapacitor and a 60 Hz, 120 V source. What value inductor must be inserted in the circuit inorder to reduce the current to one-half that found in a
on a banked race track the smallest circular path on which cars can move has a radius of 106 m while the largest has a
Consider two uniformly charged parallel plates as shown in the figure. The magnitudes of the charges areequal.If the plates are 1.0 cm by 1.0 cm squares,and the charges on the plates are +/- 2.6 μC respectively,what is the magnitude of the electric f..
q1. a simple harmonic oscillator consists of a block of mass 1.20 kg attached to a spring of spring constant 184 nm. as
A student bikes to school by traveling first = 1.10 north, then = 0.300 west, and finally = 0.100 south. what distance would the bird cover
the sound level measured 5.2 m away from a jet engine is 140 db.a what is the intensity of the sound at 5.2 m?b what is
A train engine weighs 5 times as much as aflatbed car. If the engine coasts at 3 km/hr into the boxcarthat is initially at rest and becomes coupled to the boxcar, how fast do the two move after the inelastic collision?
Determine the x and y components of the following three vectors in the xy plane. A 15-m displacement vector that makes an angle of 23° clockwisefrom the +y direction.
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