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Question: In a typical greyhound race, a dog accelerates to speed of 20m/s over a distance of 30m. It then maintains this speed.
Part A: What would be the greyhound's time in the 100m dash? Assume constant acceleration for the first period.
Any expert will able to provide correct answer for the above question.
What harm, if any, would occur by rotating the spectacle lenses of a near-sighted person in their frames? What if the individual had an astigmatic correction
Two small non conducting spheres have a total charge of 85.2. When placed 1.09 apart, the force each exerts on the other is 10.4 and is repulsive. What is the charge on each.
A thin film of oil (n = 1.12) is located on smooth, wet pavement. When viewed from a directionperpendicular to the pavement, the film reflects most strongly redlight at 640 nm and reflects no light at 569 nm. What is the minimum thickness of the oil ..
the record distance in the sport of throwing cowpats is 81.1 m. assuming the initial launch angle was 45deg and
A train horn is heard at a 50 dB level by an observer 10 km away. What is the average power generated by the horn
A mechanic pushes a 2.80 103-kg car from rest to a speed of v, doing 4,650 J of work in the process. During this time, the car moves 26.0 m. calculate the horizontal force exerted on the car
two 2.0-cm-diameter insulating spheres have a 6.70cmspace between them. one sphere is charged to 83.0nc the other to -
A black, totally absorbing piece of cardboard of area A= 1.5 cm2 intercepts lightwith an intensity of 2 W/m2from a camera strobe light. What radiation pressure is produced onthe card board
A neighborhood transformer on the top of a utility pole transforms 14.0 kV 60.0 Hz alternating voltage down to 120.0 V to be used inside a house. how many turns does the primary coil have
A gymnast is performing a floor routine. In a tumbling run shespins through the air, increasing her angular velocity from 3.00 to4.30 rev/s while rotating throughthree-fourths of a revolution. How much time does this maneuver take
a 200-m-wide river flows due east at a uniform speed of 4.8 ms. a boat with a speed of 8.6 ms relative to the water
A charge +q is located at the origin, while an identical charge is located on the x axis at x = +0.76 m. Where should the third charge be located
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