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Power
Page 2
Questions (164)
A fire engine must lift 30 kg of water a vertical distance of 20 m each second. What is the amount of power needed for the water
2 answers
asked by
Collins
615 views
2 KW -> Hp
1 answer
asked by
LL
316 views
A child's ability to jump for distance is an example of
A. flexibility. B. explosive power. C. reaction time. D. agility. B.
3 answers
asked by
Amanda
360 views
over time _____ has gained power at the expense of ____.
7 answers
asked by
Anonymous
364 views
The current in a toaster oven is 15 A when plugged into an electrical outlet that is 110 V. How much electric power is used by
2 answers
asked by
Anonymous
683 views
1. Select the skill-related component which is defined as the ability to combine strength and speed while you are moving. (1
3 answers
asked by
Brony
3,929 views
Show that 480W of power is expended by a weightlifter when lifting a 60-kg barbell a vertical distance of 1.2m in a time
1 answer
asked by
bbragg
438 views
A man loads 1,000 sacks of flour into a truck in 30.0 minuets.Each sack has a mass of 20.0 kg and the man must lift each sack
1 answer
asked by
Anonymous
400 views
Types of power a leader should have in an organization to influence the subordinate
3 answers
asked anonymously
27 views
If a car travels at a constant velocity of 70 miles/hour and exerts a force of 3000 newtons, what is the power of the car
2 answers
asked by
luis
2,453 views
Show that 480 W of power is expended by a weightlifter when lifting a 60-kg barbell a vertical distance of 1.2 m in a time
3 answers
asked by
Cecilia
633 views
The power developed by force is ________ and that of couple is _______
1 answer
asked by
Rajan
319 views
between positional power, rational power and personal power which does a psychologist possess?
3 answers
asked anonymously
31 views
Negative power is primarily associated with
A. voluntary exchange relationships. B. situations in which an individual is forced
2 answers
asked by
lana
780 views
A chairlift carries skiers to the top of a ski hill. If the chairlift does 180 kJ of work in 15s, what is the power of the
1 answer
asked by
mona
368 views
Which word suggests the greatest power?
might strength energy
3 answers
asked by
marcus
19 views
Which word suggests the greatest power?
Responses might Pick the answer below. strength Pick the answer below. energy
3 answers
asked by
marcus
41 views
Which word suggests the greatest power?
might strength energy
3 answers
asked anonymously
83 views
A car's engine can accelerate a car from rest to 30 m/s in 6 s. if the car's mass is 1300 kg, what is the power of the engine?
ca
5 answers
asked by
Allison
586 views
An engine races 100kg of water through a height of 60m in 20s. What is the power of the engine.(take g to be 10meter per second)
3 answers
asked anonymously
32 views
During a weightlifting competition, athletes are asked to lift an extremely large amount of weight in a short amount of time.
3 answers
asked anonymously
69 views
How much power does it takes to do 104 J of work in 8 seconds
2 answers
asked by
Andy
808 views
A chair lift holding a 100 kg man rises 5 meters in height in 10 second time period. Ignore the weight of the chair and related
1 answer
asked by
Dina
427 views
These are the words in the word bank that you can use:hydrant,thermos,hydrophobia,
thermostat,hydrogen,thermometer,
3 answers
asked by
Cynidel
361 views
Mrs. leuenberger ran the same marathon but since her husband was hunting and she couldn't find a babysitter she had to carry her
1 answer
asked by
Barb
413 views
Mr.Becks gigantic gas- guzzling exhaust spewing urban assault vehicle suburban weighs 10000 pounds it takes Mr Beck 2 minutes to
1 answer
asked by
Barb
332 views
How would you classify the power industry in your area?
in wisconsin any sites?
1 answer
asked by
scooby9132002
281 views
For the element shown below, v(t)=1/2tVolts and i(t) = 12t-4t^2 Amps.
(a) Find the instantaneous power p(t) as a function of
1 answer
asked by
Bobby
344 views
Estimate the power you deliver when starting to walk from a standstill, in W:
& Your body radiates about 88 W in heat energy. How
1 answer
asked by
tom
348 views
a motor does 5,000 joules of work in 20 seconds. What is the power of the motor.
4 answers
asked by
Debbie
1,708 views
I believe I have the correct answer for this one, but just want to make sure.
According to theories of French and Raven, Martin
2 answers
asked by
Keith
474 views
George pushes a wheelbarrow for a distance of 12 meters at a constant speed for 35 seconds by applying a force of 20 newtons.
4 answers
asked by
fredrick
2,123 views
How can the alternative definition of power:
P = \frac{w}{\Delta t} = F \frac{d}{\Delta t} ... can be derived by substituting the
3 answers
asked by
Heeyong
1,823 views
Explain Expert power, Coercive power, Legitimate power and Referent power
1 answer
asked anonymously
74 views
Based on the text above, what can be inferred about the power of the government?
(1 point) Responses Congress had too much power
1 answer
asked anonymously
28 views
A 1300 sports car accelerates from rest to 90 in 6.5 .
What is the average power delivered by the engine?
2 answers
asked by
Nikohl
1,197 views
A student makes ice cream using an old-fashioned hand-crank machine. He does 40 joules of work each time he turns the crank in a
4 answers
asked by
kek
1,197 views
A constant force of 900 N pushes a 100 kg mass up the inclined plane shown above at a uniform speed of 5 m/s. ( hight= 1m) The
2 answers
asked by
ashley
1,191 views
Which requires more power? lifting a 25 kg bag of cement 10 m vertically in 1 minute, or lifting a 50 kg bag 5?
2 answers
asked by
britches
1,021 views
A forklift raises a crate in 5.0 s, giving the crate 5000 J of potential energy.
What is the power of the forklift? What is the
2 answers
asked by
damien
954 views
a 50 kg student who is late runs up two flights of stairs whose combined vertical height is 7.0 m in 10 s (and he then silently
3 answers
asked by
nicole
939 views
A 1100 kg sports car accelerates from 0m/s to 33m/s in 13s What is the average power of the engine?
1 answer
asked by
Dan
836 views
Approximately 4 x 10^9 kg of matter is converted into enery in the sun per second. Express the power output of the sun in watts.
3 answers
asked by
Aly
815 views
A 2000 kg trolley is pulled up a 30 degree hill at 20 km/hr by a winch. How much power is the winch providing?
Steps Please!!
2 answers
asked by
A.S
813 views
A student weighing 673 N climbs at constant
speed to the top of an 11 m vertical rope in 14 s. What is the average power expended
2 answers
asked by
Spooby
806 views
In the course of a short race a car does 50,000 j of work in 7s what is the power of the car during the race
2 answers
asked by
angelo
734 views
A car of mass 1530 kg traveling at 27.0 m/s is at the foot of a hill that rises 115 m in 4.40 km. At the top of the hill, the
3 answers
asked by
Trish
740 views
Are my answers correct?
"Militarism" is warfare that combines the use of infantry, armor, and air power in a fast-moving
1 answer
asked by
Kase
408 views
a car of mass 800kg attains a speed of 25m/s in a second.calculate the power developed in the engine
2 answers
asked by
Rantimi
736 views
a power = work/time question.
A broken car is being pushed to a garage. a) work out the drivers output if he takes 1 hour and 45
1 answer
asked by
jerry.
744 views
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Parent Categories (44)
Characteristics
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Dynamics
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Work
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