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On a frozen pond, a 11.6 kg sled is given a kick that impartsto it an initial speed of vo = 2.15 m/s. The coefficientof kinetic friction between sled and ice is mk = 0.130. Use the work kinetic energytheorem to find the distance the sled moves before coming to rest.
You are driving to grocery store at 21. You are 100 from an intersection when the traffic light turns red. Presume that your reaction time is 0.75 and that your car brakes with constant acceleration. How far from the intersection are you when you ..
If so evaluate their acceleraton and the tension in the string. If not determine the sum of the magnitudes of the forces of friction acting on the blocks.
A series RLC ac circuit has a capacitive reactance of 55 ?, and inductive reactance of 25 ?, and a resistance of 40 ?. What is the phase angle of this circuit
Light from a laser strikes a diffraction grating that has 4250 grooves per centimeter. Find the wavelength of the laser
An FM transmitter delivers 30 KW into a 50 ohm antenna. Calculate the modulation index, the sensitivity of the transmitter's modulator and write the equation of the FM signal
If your body is emitting infrared radiation of wavekenght 9.4X 10-6 m. What is the energy of the released photons
question1a 1.10 m long straight wire section has a resistance r 46.0 ohm and is linked with conducting wire of
A tungsten wire has a radius of 0.086 mm and is heated from 20.0 to 1422 oC. The temperature coefficient of resistivity is ? = 4.5, How long is the wire
You are asked to construct a capacitor having a capacitance near 1 nF and a breakdown potential in excess of 10,000 V. What is the breakdown potential of this capacitor
A running back with a mass of 82 kg and a velocity of 9 m/s (toward the right) collides with, What is the velocity of the tackle before the collision
A particle moving along the x-axis with constant speed has adisplacement of 14 m at t = 1.00 s and a displacement of 42 m at 8.00 s. Plot the displacement versus time graph and determine the particles speed.
A supply plane needs to drop a package of food to scientists working on a glacier in Greenland. How far short of the target should it drop the package
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