An escalator is used to move 9.8 * 10' people (60 kg each) per minute from the first floor of a department store to the second floor, 5 m above. The power required is Watts. 5 m 30°
Q: An escalator is used to move 2.3 * 10' people (60 kg each) per minute from the first floor of a…
A: Given: number of people=2.3*101 = 23 mass of each people m = 60 kg height h = 5m time taken t = 1 m
Q: A child pulls on a wagon with a horizontal force of 75N. If the wagon moves horizontally a total of…
A:
Q: 9. Find the gravitational potential energy of an 88-kg person stand-ing atop Mt. Everest at an…
A: mass (m) = 88 kg Altitude (h) = 8848 m
Q: A typical flying insect applies an average force equal to twice its weight during each downward…
A: The mass of the insect,The downward force applied by the insect,The distance moved for the each wing…
Q: A 2,400-kg pile driver is used to drive a steel I-beam into the ground. The pile driver falls 4.80 m…
A: GIVEN:- Mass of pile driver = 2400 kg Hight by which pile driver falls before coming into contact…
Q: A 83.5 kg man walks up a set of stairs in 11.7 s. The man rises 4.5 m in going up the stairs. What…
A: Write the expression for the work done by the man to climb a set of stairs and substitute the…
Q: 38. Given four boxes of weights 8.00 N, 8.00 N, 2.00 N, and 9.00 N. There are three shelves of…
A: The weights of fours boxes,
Q: A certain rain cloud at an altitude of 1.40 km contains 3.20 107 kg of water vapor. How long would…
A: Altitude of the rain cloud, Mass of the water vapor, Power of the pump, Acceleration due to…
Q: The figure below shows a person pushing a box with a force of 8.2 N over a displacement of 8.7 m.…
A: Given that:- Force(F)=8.2 N and Displacement(d)=8.7 m Time(t)=5.0 s Work…
Q: Paraaadiip
A: Number: 2419.372 Units: WExplanation:
Q: 9. A car of mass 1550 kg traveling at 27.0 m/s is at the foot of a hill that rises 110 m in 2.60 km.…
A: Average power is defined as the ratio of total work done by the body to the total time taken by the…
Q: A car weighing 500 kg moving against a resistance of 500 N, accelerates from rest to 20 m/s in 100…
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Q: 1. A pillbox hat is filled with toothpaste until it has a mass of 9.2 kg. An inquisitive engineering…
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Q: The gravitational potential energy of a 0.120 kg bird in a tree is 6.60 J. What is the height of the…
A: The expression for the gravitational potential energy is written as, Here, m, g and h represent the…
Q: A student drops a book from a window. It falls to the ground 5.27 m below. How fast is it going…
A: given, Height(hA ) = 5.27 m
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A: How Peak Power Information Can Improve Athletic Performance For sports that require bursts of power,…
Q: An electric elevator with a motor at the top has a multistrand cable weighing 6.5 lb/ft. When the…
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Q: A 185 kg refrigerator is placed inside a mobile freight transport by pushing it up on a 10.0 m ramp…
A:
Q: 5. A car of mass 1520 kg traveling at 26.0 m/s is at the foot of a hill that rises 130 m in 2.40 km.…
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Q: n rain cloud at an altitude of 1.50 km contains 3.20 x 107 kg of water vapor. How long would it take…
A:
Q: A certain rain cloud at an altitude of 1.46 km contains 3.20 ✕ 107 kg of water vapor. How long would…
A: Take the surface of the Earth to be zero potential energy point. The work done by the pump must be…
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- An ordinary light bulb consumes 40 W of power. Through what height could a 1000-N object be lifted expending the same amount of power for 6 hours? Group of answer choices: 360 m 860 m 720 m 650 m 430 m88.A certain rain cloud at an altitude of 1.53 km contains 3.20 ✕ 107 kg of water vapor. How long would it take for a 3.05-kW pump to raise the amount of water from Earth's surface to the cloud's position? yr
- How much work is done against gravity to move an 800 kg weather monitor 300 km into the air? (re = 6.38 × 10® m, Me = 5.98 × 1024An escalator is used to move 22 customers every minute from the first floor of a department store to the second floor which is located 6 meters above the first floor. The average customer's mass is 55 kg. Determine the power requirement of the escalator in hp. a) 1186 b) 1.59 c) 53.9In 2.79 minutes, a ski lift raises four skiers at constant speed to a height of 131 m. The average mass of each skier is 70.7 kg. What is the average power provided by the tension in the cable pulling the lift? Number Units
- Yosemite Falls in California is about 0.740 km high. What average power would it take for a 73.0-kg person to hike up to the top of Yosemite Falls in 1.50 h?A bungee jumper makes a stunt jump in a jumping platform 8.57 m from above a height. The jumper weighs 130 N. If the jumper falls to within 83.38 m of the bottom of the height, how much work is done by the bungee cord on the jumper during his descent? Ignoring air resistance. No unit is required for the final answer.A 2,200-kg pile driver is used to drive a steel I-beam into the ground. The pile driver falls 4.60 m before coming into contact with the top of the beam, and it drives the beam 15.0 cm farther into the ground as it comes to rest. Using energy considerations, calculate the average force the beam exerts on the pile driver while the pile driver is brought to rest. magnitude X N direction |upward