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It has been found that galaxies are moving away from the earth It has been found that galaxies are moving away from the earth at a speed that is proportional to their distance from the earth. This discovery is known as Hubble’s law. The speed of a galaxy at distance from the earth is given […]

John can run 6.0 m/s. Marcia can run 15% faster John can run 6.0 m/s. Marcia can run 15% faster than John. (a) By what distance does Marcia beat John in a 100-m race? (b) By what time does Marcia beat John in a 100-m race? Is this the question you were looking for? If […]

CH 3, CASE 3-3 INCOME STATEMENT Please review the below Income Statement and identify any errors or necessary corrections? I did not know if the bank loan and/or patent costs are applicable??? Dispensers of California, Inc. Income Statement For the Year Ended December 31, xxxx Net Sales $ 598,500 Cost of Sales (Decrease in Invetory) […]

Is it possible for the velocity and the acceleration Is it possible for the velocity and the acceleration of an object to have opposite signs? If not, state a proof. If so, give an example of such a situation and sketch a velocity–time graph to prove your point. Is this the question you were looking […]

Setting a new world record in a 100-m race, Maggie Setting a new world record in a 100-m race, Maggie and Judy cross the finish line in a dead heat, both taking 10.2 s. Accelerating uniformly, Maggie took 2.00 s and Judy 3.00 s to attain maximum speed, which they maintained for the rest of […]

Sketch v-versus-t curves for each of the following conditions: Sketch v-versus-t curves for each of the following conditions: (a) Acceleration is zero and constant while velocity is not zero. (b) Acceleration is constant but not zero. (c) Velocity and acceleration are both positive. (d) Velocity and acceleration are both negative. (e) Velocity is positive and […]

Panic escape. Figure 2-22 shows a general situation in which Panic escape. Figure 2-22 shows a general situation in which a stream of people attempt to escape through an exit door that turns out to be locked. The people move toward the door at speed vS: 3.50 m/s, are each d = 0.25 m in […]

On average, an eye blink lasts about 100ms. How far On average, an eye blink lasts about 100ms. How far does a MiG-25 “Fox bat” fighter travel during a pilot’s blink it the plane’s average velocity is 3400 km/h? Is this the question you were looking for? If so, place your order here to get […]

Sand dunes in a desert move over time as sand (a) Sand dunes in a desert move over time as sand is swept up the windward side to settle in the lee side. Such ?owalking?? dunes have been known to walk 20 feet in a year and can travel as much as 100 feet per […]

Raindrops fall 1700m from a cloud to the ground. (a) If. Raindrops fall 1700m from a cloud to the ground. (a) If they were not slowed by air resistance, how fast would the drops the moving when they struck the ground? (b) Would it be safe to walk outside during a rainstorm? Is this the […]