A 12 V batterysupplies acurrent of 4 A toa lamp. What isthe powersupplied?Write theequationconnectingwork done,power, andtime.The motor of the liftshown in Figure 5.18provides a force of 20kN; this force isenough to raisethe lift by 18 m in 10 s.Calculate the outputpower of the motor.The graph ofenergy vs. time fora system has aslope of 250 J/s.What quantitydoes thisrepresent?A 100%efficient motorhas a powerinput of 1.2 kW.What is thepower output?A light bulbconverts 75%of electricalpower into light.What happensto the rest?A person who weighs500 N runs up a flightof stairs in 5.0 s(Figure 5.18). Theirgain in height is3.0 m. Calculate therate at which work isdone against the forceof gravityWhat is themeaning of amachine havinga power ratingof 2.5 kW?Which has more k.e.,a car of mass 500 kgtravelling at 15 m s−1or a motorcycle ofmass 250 kgtravelling at 30 ms−1?Definepower interms ofwork andtime.Name onecommon unitfor large poweroutputs, equalto 1000 W.Expresspower interms ofenergytransfer.Calculate howmuch work isdone by a 50kW car enginein a time of 1.0minute.A motor does12 kJ of workin 20 seconds.What is itspower output?Give theSI unit ofpower.The powerdeveloped by acar engine is 40kW. In 5 seconds,how much workis done?A crane lifts a200 kg loadvertically at 0.8m/s. What is itspower output?(g = 9.8 m/s²)Give theformula forelectricalpower in acircuit.A 60 W lamp isused for 30seconds. Howmuch energydoes it convert?If a 2 kW kettleruns for 3minutes, whattotal energy istransferred?Power can alsobe expressedas the productof ___ and ___in linear motion.What does itmean if anengine hashigher power butthe same totalwork done?A motor exerts aconstant force of150 N and movesan object at 4m/s. Calculatethe power output.Suppose yourweight is 600 Nand you climb a2000 mhigh mountain.The work done byyour muscles is:A 12 V batterysupplies acurrent of 4 A toa lamp. What isthe powersupplied?Write theequationconnectingwork done,power, andtime.The motor of the liftshown in Figure 5.18provides a force of 20kN; this force isenough to raisethe lift by 18 m in 10 s.Calculate the outputpower of the motor.The graph ofenergy vs. time fora system has aslope of 250 J/s.What quantitydoes thisrepresent?A 100%efficient motorhas a powerinput of 1.2 kW.What is thepower output?A light bulbconverts 75%of electricalpower into light.What happensto the rest?A person who weighs500 N runs up a flightof stairs in 5.0 s(Figure 5.18). Theirgain in height is3.0 m. Calculate therate at which work isdone against the forceof gravityWhat is themeaning of amachine havinga power ratingof 2.5 kW?Which has more k.e.,a car of mass 500 kgtravelling at 15 m s−1or a motorcycle ofmass 250 kgtravelling at 30 ms−1?Definepower interms ofwork andtime.Name onecommon unitfor large poweroutputs, equalto 1000 W.Expresspower interms ofenergytransfer.Calculate howmuch work isdone by a 50kW car enginein a time of 1.0minute.A motor does12 kJ of workin 20 seconds.What is itspower output?Give theSI unit ofpower.The powerdeveloped by acar engine is 40kW. In 5 seconds,how much workis done?A crane lifts a200 kg loadvertically at 0.8m/s. What is itspower output?(g = 9.8 m/s²)Give theformula forelectricalpower in acircuit.A 60 W lamp isused for 30seconds. Howmuch energydoes it convert?If a 2 kW kettleruns for 3minutes, whattotal energy istransferred?Power can alsobe expressedas the productof ___ and ___in linear motion.What does itmean if anengine hashigher power butthe same totalwork done?A motor exerts aconstant force of150 N and movesan object at 4m/s. Calculatethe power output.Suppose yourweight is 600 Nand you climb a2000 mhigh mountain.The work done byyour muscles is:

P - Call List

(Print) Use this randomly generated list as your call list when playing the game. Place some kind of mark (like an X, a checkmark, a dot, tally mark, etc) on each cell as you announce it, to keep track. You can also cut out each item, place them in a bag and pull words from the bag.


1
R
2
W
3
O
4
O
5
O
6
R
7
P
8
P
9
E
10
P
11
E
12
P
13
R
14
O
15
W
16
W
17
R
18
E
19
O
20
P
21
E
22
E
23
R
24
W
  1. R-A 12 V battery supplies a current of 4 A to a lamp. What is the power supplied?
  2. W-Write the equation connecting work done, power, and time.
  3. O-The motor of the lift shown in Figure 5.18 provides a force of 20 kN; this force is enough to raise the lift by 18 m in 10 s. Calculate the output power of the motor.
  4. O-The graph of energy vs. time for a system has a slope of 250 J/s. What quantity does this represent?
  5. O-A 100% efficient motor has a power input of 1.2 kW. What is the power output?
  6. R-A light bulb converts 75% of electrical power into light. What happens to the rest?
  7. P-A person who weighs 500 N runs up a flight of stairs in 5.0 s (Figure 5.18). Their gain in height is 3.0 m. Calculate the rate at which work is done against the force of gravity
  8. P-What is the meaning of a machine having a power rating of 2.5 kW?
  9. E-Which has more k.e., a car of mass 500 kg travelling at 15 m s−1 or a motorcycle of mass 250 kg travelling at 30 m s−1?
  10. P-Define power in terms of work and time.
  11. E-Name one common unit for large power outputs, equal to 1000 W.
  12. P-Express power in terms of energy transfer.
  13. R-Calculate how much work is done by a 50 kW car engine in a time of 1.0 minute.
  14. O-A motor does 12 kJ of work in 20 seconds. What is its power output?
  15. W-Give the SI unit of power.
  16. W-The power developed by a car engine is 40 kW. In 5 seconds, how much work is done?
  17. R-A crane lifts a 200 kg load vertically at 0.8 m/s. What is its power output? (g = 9.8 m/s²)
  18. E-Give the formula for electrical power in a circuit.
  19. O-A 60 W lamp is used for 30 seconds. How much energy does it convert?
  20. P-If a 2 kW kettle runs for 3 minutes, what total energy is transferred?
  21. E-Power can also be expressed as the product of ___ and ___ in linear motion.
  22. E-What does it mean if an engine has higher power but the same total work done?
  23. R-A motor exerts a constant force of 150 N and moves an object at 4 m/s. Calculate the power output.
  24. W- Suppose your weight is 600 N and you climb a 2000 m high mountain. The work done by your muscles is: