Power is the rate at which you do work. You expend more power when you a.do...
Power is the rate at which you do work. You expend more power when you
a.do more work over a shorter distance.
b.do the same work for a longer time.
c.do the same work over longer distance.
d.do the same work for a shorter time.
e.do less work for a longer time.
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Power is the rate at which you do work. You expend more power
when you
a.do...
Power is the rate at which you do work. You expend more power when you 1....
Power is the rate at which you do work. You expend more power when you 1. do the same work for a longer time. 2. do less work for a longer time. 3. do the same work for a shorter time. 4. do more work over a shorter distance. 5.do the same work over longer distance.
If one motor has three times as much power as another, then the smaller power motor:...
If one motor has three times as much power as another, then the smaller power motor: A. can do the same work in the same time B. can do the same work in three times the time C. can never do the same work as the large motor D. can do the same work in one-third the time Which of the following is always true about the magnitude of a displacement? A. It is less than the distance traveled B....
When you push a door closer to the hinges, why does it open more slowly? because...
When you push a door closer to the hinges, why does it open more slowly? because you are closer to the center Now choose from one of the following options Why? a) It opens slowly, because the lever arm is shorter so the torque is large b) It opens slowly because the lever am is longer so the torque is large. c It opens slowly, because the lever asi is shorter so the torque is less. Comes from 9.2 The...
QUESTION 10 Power, P, is defined as the rate at which work, W, is done, or...
QUESTION 10 Power, P, is defined as the rate at which work, W, is done, or the work divided by the time, t, over which that work occurs: P = W / t. Starting from rest, at the bottom of a flight of stairs, what is the power output for a person of mass 55 kg who runs up a flight of stairs of height 3.0 m and reaches the top of the stairs, in a time of 3.0 s,...
If you just stand still on an escalator (moving stairway), it takes 20 seconds for it...
If you just stand still on an escalator (moving stairway), it takes 20 seconds for it to carry you up one floor, about 5 meters. But if you walk up, you get to the top of the escalator in only 12 seconds. (a) How much work does the escalator do in lifting you up to the next floor, it you just stand there? (b) How much if you walk up the escalator? (c) Some people expect the answer in part...
Power in the rate at which work is done or energy is transformed. That is, Power=...
Power in the rate at which work is done or energy is transformed. That is, Power= Energy/Time Use the energy found above and the time measured during the demonstration to calculate the power developed in the eruption. Starting Mass 4.6 lbs Max height 41 inches Time of Eruption 3.35 sec Final Mass after Eruption: 1.7 lbs Amount of Mass that left the bottle during Eruption 2.9lbs Please help me answer the above question with the results from the experiment.
Which of the statements (I-IV) is (are) most likely FALSE: I. When shorter maturity treasuries are...
Which of the statements (I-IV) is (are) most likely FALSE: I. When shorter maturity treasuries are yielding less than longer maturity treasuries, the yield curve is considered to be normal II. When shorter maturity treasuries start to yield more than longer maturity treasuries, the bond market is expecting the economy’s growth rate to slow, and the stock market usually falls in value shortly thereafter III. When shorter maturity treasuries are yielding more than longer maturity treasuries, it would be a...
Was group work more effective when using Kanban Flow? Yes/ no, explain. What do you think,...
Was group work more effective when using Kanban Flow? Yes/ no, explain. What do you think, how to make group work more effective? If you did the assignment alone: did kanban flow help you to manage your assignment and time? Would you use it for other assignments (group work). How to make group work more effective
You have determined the profitability of a planned project by finding the present value of all...
You have determined the profitability of a planned project by finding the present value of all the cash flows from that project. Which of the following statements would cause the project to look less appealing in terms of the present value of those cash flows? The discount rate decreases. The cash flows are extended over a shorter longer period of time, but the total amount of the cash flows remains the same. The discount rate remains constant. Answers b and...
Which is true about the "duration" of bonds? A. The longer the term, the shorter the...
Which is true about the "duration" of bonds? A. The longer the term, the shorter the duration. B. The lower the yield, the shorter the duration. C. For zero-coupon bonds, the term is the duration. D. Duration is related to yield (or internal rate of return) of a bond. Regarding bonds in the secondary market... A. their prices are unrelated to the prevailing interest rate environment. B. prices of bonds with more time to maturity are less sensitive to the...
When you push a door closer to the hinges, why does it open more slowly? because you are closer to the center Now choose from one of the following options Why? a) It opens slowly, because the lever arm is shorter so the torque is large b) It opens slowly because the lever am is longer so the torque is large. c It opens slowly, because the lever asi is shorter so the torque is less. Comes from 9.2 The...
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