A 60kg boy climbs 70 fligts of stairs each 20cm high in one minute how much powers is developed?
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physics
At what rate is a 60.0kg boy using energy when he sprints up a flight of stairs 10.0 m high in 8.00 s? A. 75.0 W B. 48.0 W C. 735 W D. 480 W E. 4.80 kW

Physics ~please help me~
1.) Two people of the same mass climb the same flight of stairs. The first person climbs the stairs in 25 s; the second person does so in 35 s. a) Which person does more work?Explain b) Which person produces more power?Explain 2.) Lee pushes a 20 kg mass

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A boy of mass 50kg runs up a set of stairs of total height of 3.0m.find the work done against gravity

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which illustrates in an increase in potential energy? a. a firecracker explodes b. a person climbs a set of stairs c. a windup toy winding down d. an apple dropping from a tree

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A man whose mass is 70 kg walks up to the third floor of a building. This is a vertical height of 12 m above the street level. (a) How many joules of work has he done? (b) By how much has he increased his potential energy? (c) If he climbs the stairs in 20

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A boy jumps from a wall 3m high. What is an estimate of the change in momentum of the boy when he lands without rebounding? the answer is 5x10^2kg/ms, but how?

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A man whose mass is 75kg walks up a stairs each 20cm high in5seconds.calculate the power expended in watts.[assume g=10m\s2

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A snail climbs up a wall 20 feet high. Each day the snail climbs 5 feet, but each night it slips backwards 4 feet. How many days will it take for the snail to get to the top of the wall?

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A boy wants to jump onto a moving carousel that is spinning at a rate of 5 revolutions per minute. If the carousel is 64 ft in diameter, how fast must the boy run, in feet per second, to match the speed of the carousel and jump in? Round your answer to two

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A woman with a mass of 65kg climbs a set of stairs that are 3m high. How much gravitational potential energy does she gain? Thank you.

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A 80 kg firefighter climbs flight of stairs 6 meter high in 10 seconds. How much work is required by the firefighter?

physics
a boy weighing 350N runs up a flight of stairs consisting of 20 steps each 10cm high in 10 seconds. What is his power? show your workings

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An ant tries to climb the water pipe 10m high,it climbs 2m up and slips back 1m down in every move. In how many moves will it reach the top of the 10m high pipe

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You have a mass of 60 kg and run up some stairs that are 5 m high in 6 seconds. How much power did you produce?

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a boy with a mass of 60kg climbs a 10m vertially up a ladder. A) how far did he travel? B) how much work is done? C) what are the energy changes here?

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A 680 newton student runs up a flight of stairs 3.5 m high in 11.4 seconds. The student takese 8.5 seconds to run up the same flight of stairs during a second trial. 1)Find the work done by the 680 N student in climbing the stairs 2) Determine the power

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Calvin stays on the 7th floor in his building. Between each floor, there are exactly 12 stairs. If he starts from the 1st floor and climbs his way up to the 7th floor, how many stairs does he climb?

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A load of 60kg is pushed up a 400m inclined plane of a platform 3m high, what is the velocity ratio of the plane

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Two people who weigh the same climb a flight of stairs. The first person climbs the stairs in 30 s, while the second person climbs them in 40s. Which person does more work? Which uses more power?

Physics
a boy whose weight is 600 N runs up a flight of stairs 10 m high in 12 second .What is his average power?

Physics
A 77 kg man climbs the stairs to the fifth floor of a building, a total height of 15.2 m. What is his potential energy in Joules when he reaches the fifth floor? Round your answer to 1 decimal place.

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An insect climbs 10m slippery rock in a minute and then slips down 9m in the next minute. How long will it take him to climb a 30m slippery rock?

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Lara starts at the bottom of a long staircase. She climbs exactly 2/3 of the stairs. Then, she goes back down exactly 1/2 of the way to the bottom. From that spot, she climbs exactly 2/3 of the way to the top. Finally from there, she climbs 6 stairs to

Physics
A 74.0 kg firefighter climbs a flight of stairs 12.0 m high. How much work is required?

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A 60 kg woman climbs a flight of stairs 5,0 m high how much work is required

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A golf bounces down a flight of steel stairs, striking several steps on the way down, but never hitting the edge of a step. The ball starts at the top step with a vertical velocity component of zero. If all the collisions with the stairs are elastic, and

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A boy with a mass of 50 kg climbs 40m vertically when walking up the stairs of the campus. How much work does he do against gravity?

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A 69.0 firefighter climbs a flight of stairs 22.0 high. How much work is required?

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The second flight of stairs is two times as high as the first flight of stairs. Together they are 60 feet high, how high is the first flight of stairs.

ST MICHAEL NURSERY SECONDRY AND PRIMARY SCHOOL KONTAGORA
BASIC SCIENCE. A BOY OF MASS 50KG RUNS UP A FLIGHT OF 10 STAIRS EACH OF HEIGHT 0.2M IN 5 SECONDS CALCULATE HIS POWER.

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An 78.9 kg person carries a 23 N package up a flight of stairs. The vertical height of the stairs is 23.8 m. How much work is done?

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In a 36minute gym period, 24 boys want to play basketball. If only 10 can play at the same time, and each boy plays the same amount of time, how many minutes does each boy play?

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A BOY OF MASS 50KG CLIMBS UP 29 STEPS EACH 20CM HIGH.HOW MUCH WORK IS DONE BY THE BOY (G=10M/S)

Physical Science
Two people who weigh the same climb a flight of stairs. The first person climbs thestairs in 30s, while the second person climbs them in 40s. Which does more work? Which uses more power?

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A boy on ice skates is atationary on a frozen lake(no friction).He throws a package of mass 5kg at 4m/s horizontally east.the mass of the boy is 60kg.at the instant the package leaves the boy's hand,the boy starts moving. Calculate the magnitude of the

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Calvin stays on the 7th floor in his building. Between each floor, there are exactly 12 stairs. If he starts from the 1st floor and climbs his way up to the 7th floor, how many stairs does he climb?

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English posted by rfvv yesterday at 2:39am 1. I saw a boy in the car. 2. When I saw a boy, I was in the car. 3. I saw a boy who was in the car. At that time I was near the car. [Does #1 mean either #2 or #3 according to the context? Which one is a common

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I urgently need you to check these sentences, please. 1.The second boy on the left is wearing a yellow Tshirt and khaki bottoms with pockets in both sides. The third boy is wearing a pair of white linen trousers with black knee high gaiters and hiking

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A boy wants to jump onto a moving carousel that is spinning at a rate of 5 revolutions per minute. If the carousel is 64 ft in diameter, how fast must the boy run, in feet per second, to match the speed of the carousel and jump in? Round your answer to two

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A monkey ascends a greased pole 30 m. high. He ascends 3 m. in Ist minute and descends 1m. in the next minute, again ascends 3m. in 3rd minute, but descends 1m. in 4th min and so on. In what time he reached the top?

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a boy standing n a high cliff dives into the ocean below and strikes the water after 2.5 s. what is the boy's velocity when he hits the water? deltav=gxt

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(a) calculate the number of kilocalories needed to climb 232 stair steps (116 steps per minute for 2 min.) *climbing stairs (116/min.) = energy consumption rate is 9.8 (kcal/min) * (b) calculate the gain in gravitational potential energy for a 50kg person

physics
A 60kg boy climbs 70 fligts of stairs each 20cm high in one minute how much powers is developed?

physics
jeritex mass is 60kg. if he climbs up the flight of stairs 13 meters high in 20 seconds, what is his power output?

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a boy who can generate 500 w runs up a flight of stairs in 5.0 s.how high are the stairs if the boy has a mass of 62 kg.

Math
larry starts at the bottom of a long staircase. he climbs exactly 2/3 of the stairs. then he goes back down exactly 1/2 of the way to the bottom. from that spot he climbs exactly 2/3 of the way to the top. finally from there he climbs 6 stairs to reach the

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A boy weighing 350Newton runs up a flight of stairs consisting of 20 stairs each, 16 centimeter high in seconds, what ??$ it's power?

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A boy climbs up an 8.00m high tree. To come back down, the boy slides down along a rope. The coefficient of friction between the rope and the boy is 0.40. What is the velocity with which the boy reaches ground?

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Is this correct? Gabriella weighs 450 N. She climbs a flight of stairs to a height of 3 m. It takes her 5 seconds. How much work does Gabriella do when she climbs the stairs? Ans 1,350 J. What I did was 450*3 Can someone check this? Thanks MC

Physics
Electric stairs bring people up from Newyork metro station. Calculate the power consumption of the stairs during the rush hour if the stairs elevate 120 persons per minute up to the street level 30 meters above. Assume that the average weight of passengers

Mathematics
Can someone explain how to do this please? A person who has a mass of 60kg run up a flight of stairs 12m high in 20 seconds, how much power did the person generate? How would I do this equation.

Physics
Two People who weigh the same climb a flight of stairs. The 1st person climbs the stairs in 30s, and the 2nd person climbs them in 40s. Which person does more work? which uses more power.  I would personaly think the 2nd person does more work and power

Physics
Two People who weigh the same climb a flight of stairs. The 1st person climbs the stairs in 30s, and the 2nd person climbs them in 40s. Which person does more work? which uses more power.  I would personaly think the 2nd person does more work and power

physics
A man whose mass is75kg walks up a stairs of 12steps each 20cm high in 5seconds.calculate the power expended in watts.[assume g=10m\s2

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How much power is developed by a 68kg boy running up a 5 high flight of stairs un 4s?

Math
A boy whose height is 7.3 N runs up a flight of stairs 4.5 m high in 8.5s. What is his average power

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the floors in a typical house are separated by a vertical distance of approximately 8.0 ft. a teenager (1.0x 10^2 lb) climbs the stairs between floors at a steady speed. find the power necessary to accomplish this if the stairs are climbed in (a) 10.0 s

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Tim and Rich are racing up a 25foot wall. Tim climbs at 8 inches per minute and Rich climbs at 10 inches per minute. If Tim has a 5 minute head start, by how many SECONDS does the winner beat the other?

PHYSICS:
A boy weighing 350N runs up a flight of stairs consisting of 20 steps each 10 cm high in 10 seconds.what is his power?

Physics
A boy weighing 350 N runs up a flight of stairs consisting of 20 steps each 10 cm high in 10 seconds. What is power?

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Once there four boys who wanted to cross a street. They were all on the same side. It was night time and they only had one flashlight between them. Only two boys can cross the street at a time, and anyone who crosses , either one or two people, must always

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A Boy of mass 25 kg climbs atop a playground slide of height h= 3 m. When the boy slides down the inclined board, the work done to overcome friction is 550 Joule. What is the boy’s speed before he touches the ground.

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a boy whose mass is 69kg climbs a tree 10m high in 12s .calculate the work done and power developed

Physics
A boy weigh 350 new ton runs up a flight of stairs consisting of 20 steps each 10cm high in ten seconds.what is his power

Physics
Two men of the same mass climb the same flight of stairs. The first man climbs the stairs for 25 seconds, while the seconds person takes 35 seconds. Which man does the most work?

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A person with a mass of 60kg climbs up to a diving board 4 meters above a swimming pool. what is the divers speed when entering the water? A 8.9m/s b 6.2m/s c 4.4m/s d 3.3m/s e 2.1 m/s

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A small ant trying to cross a pole of12 cm . It climbs 3 cm in one minute and slips 2cm in second minute

physics
An ant climbs up 5 stairs, each of width 20 cm and height 20 cm . Find the distance covered and displacement of ant ?

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A child climbs up a set of stairs and reaches a height of 2.5m what is the child's gain I potential energy ?

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an airplane climbs at a rate of 66.8 feet per minute. It descends at twice the rate that it climbs. Assuming it descends at a constant rate, how many feet will the aitplane descend in 30 minutes.

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A student of mass 64.7 kg climbs up the stairs in the Physics Department, with a vertical height change 3.1 metres. What is the change in gravitational potential energy? Give your answer in Joules, to 2 significant figures.

college physics
A student of mass 64.7 kg climbs up the stairs in the Physics Department, with a vertical height change 3.1 metres. What is the change in gravitational potential energy? Give your answer in Joules, to 2 significant figures.

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a person carries a 58kg package of books up a flight of stairs the length along the stairs is 24 meters the vertical height of the stairs is 12 meters how much work is done in raising the package I know the answer is 6800 J but how to get????

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How much work is done by a boy weighing 450. Newtons while carrying a 20.0 kilogram package up a 2.00 meter flight of stairs?

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Search results for "a monky climbs 4 metres of a pole in 1 minute, but slips 2 metres in next minute.in how much time he will reach the top of a pole 15 metres long?assume that he starts from the bottom of the pole."

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