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The tires of a car make 71 revolutions as the car reduces its speed uniformly from 95 km/h to 44 km/h . The tires have a diameter of 0.77m. What was the angular acceleration of the tires? Express your answer using two significant figures. If the car continues to decelerate at this rate, how much more time is required for it to stop? Express your answer using two significant figures.
Illustrate what is the horizontal component of the superhero’s displacement? Draw the vectors to scale on a graph to determine the answer.
A parallel-plate capacitor is formed from two 3.60cm × 3.60cm electrodes spaced 2.70mm apart, What is the charge (in nC) on each electrode
Comets move around the sun in very elliptical orbits. What was the comet's speed when it crossed Neptune's orbit in 2006
Two very large parallel sheets are 5.00 apart. Sheet carries a uniform surface charge density of -8.60 , and sheet , Find the magnitude of the net electric field these sheets produce at a point 4.00 to the right of sheet
A tiny drop of dye is put in a very still tub of water, calculate the average distance traveled and the standared deviation after: one step, one minute and one year (3.17x10^7 sweconds)
A gymnast of mass 62.0 hangs from a vertical rope attached to the ceiling. You can ignore the weight of the rope and assume that the rope does not stretch.
If the curve were not banked, elucidate the minimum coefficient of friction between tires and road that would keep traffic from skidding out of the turn when traveling at 97 km/h?
A 9.40kg projectile is fired vertically upward. Air drag decreases the mechanical energy of the projectile-Earth system by 69.5kJ throughout the projectile's ascent. How much higher would the projectile have gone were air drag negligible.
an experiment is performed to determine the percent elongation of electrical conducting material as a function of
Find out the tension in the two strings. string between m1 and m2 2 N string between m2 and the 3.00 kg mass
In a particular Millikan oil-drop apparatus, the plates are 2.25 apart. The oil used has a density of 0.845 , how many excess electrons did it contain
A coin rests 14.0 cm from the center of a turntable. The coefficient of static friction between the coin and turntable surface is 0.440. what is the angular velocity of the turntable
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