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A car starts from rest and accelerates at a rate of 9 m/s2
for 4 seconds and then accelerates (brakes) at a rate of -3 m/s2for 2 seconds. How far did the car travel in 6 s?
A car is traveling at 50.0 mi/h on a horizontal highway. Determine the stopping distance when the surface is dry
A tennis player receives a shot with the ball (0.060 0 kg) traveling horizontally at 55.5 m/s and returns the shot with the ball traveling horizontally at 36.0 m/s in the opposite direction. find the impulse delivered to the ball by the tennis racq..
Joe pushes down the length of the handle of a 12.6 kg lawn spreader. What force must Joe apply to the handle
Two point charges of equal magnitude are d = 8.0 cm apart. At the midpoint of the line connecting them, their combined electric field has a magnitude of E =45 N/C. Find the magnitude of the charges
q1. two ocean liners each with a mass of 38000 metric tons are moving on parallel courses 92 m apart. what is the
magnifying glass with a focal length of 9.7 centimeter is used to read print located at a distance of 8.0 centimeter. Determine the angular magnification
A blow-dryer and a vacuum cleaner each operate with a voltage of120 V. The current rating of the blow-dryer is 12 A, and that of the vacuum cleaner is 5.5 A. Determine the power consumed by theblow-dryer.
A supersonic jet passes directly overhead at an altitude of 11,585 m, traveling at 680 m/s, or mach 2. How much time elapses before you hear the sonic boom
A 4.4 kg box is lifted by a force equal to the weight of the box. The box moves upward at a constant velocity of 3 m/s. What is the power input of the force
A ray of light strikes the midpoint of one face of an equiangular (60°-60°-60°) glass prism (n = 1.5) at an angle of incidence of 32.5°. Trace the path of the light ray through the glass, and find the angles of incidence and refraction at each surfa..
A hardworking ant must supply 0.00655 N to pull a small piece of fruit at constant velocity over a distance of 10.00 cm up a small hill to the entrance of the colony. calculate the mass of the piece of fruit in grams
Two pure tones are sounded together. The periods of their pressure variations are 0.0151 s and 0.0159 s, What is the beat frequency
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