Q5 The gravitational potential energy of a 700kg elevator at the top of a building, 350m above theground level isut ofO a.2.401GJO b. 2.401MJuestionO c. 2.401kJO d. 0.245MJENGDELLF2F3F4F5F6F7F8F9

Formula used is U = mgh where U is potential energy , m is mass , g is gravitational constant and h…

Answered: The gravitational potential energy of a…

The gravitational potential energy of a 700kg elevator at the top of a building, 350m above the ground level is O a. 2.401GJ O b. 2.401MJ O c. 2.401kJ O d. 0.245MJ

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter7: Work, Energy, And Energy Resources

Section: Chapter Questions

Problem 38PE: (a) How long will it take an 850-kg car with a useful power output of 40.0 hp (1hp=746W) to reach a...

See similar textbooks

Related questions

Q: The gravitational potential energy of a 700kg elevator at the top of a building, 350m above the…

A: Given, mass of elevator is 700 kg Height of building =350 m Gravitational potential energy is given…

Q: You drop a 1.50 kg book to a friend who stands on the ground at distance D = 12.0 m below. If your…

A: a) The required work done is, b) The required change in gravitational potential energy is,

Q: Q1: A person weighs 155 lbs and is walking 3.1 miles per hour. How much kinetic energy does the…

Q: A 1.50 kg snowball is shot upward at an angle of 34.0 to the horizontal with an initial speed of…

A: Given: Mass , m = 1.5 kg Angle with the horizontal θ = 34° Initial speed, u = 20 m/s

Q: A 2.0 kg book is lying on a 0.75-m-high table. You pick it up and place it on a bookshelf 2.3 m…

Q: A racetrack for a soapbox derby is 300 m long and a vertical drop of 28 m. (a) Calculate the change…

Q: A 0.5 kg object is at the top of a water well and then dropped into the bottom of the well, the well…

A: Hello. Since you have posted multiple questions and not specified which question needs to be solved,…

Q: 2. A student holds her psychology book, which has a mass of 1.5 kg, out of a second-story dormitory…

A: Work(W)=Fdcosθ F is force, d is displacement, θ is angle between force and displacement when student…

Q: ) State the law of conservation of energy (COE). ii) On what conditions can we apply COE?

A: Given:- State the law of conservation of energy:- According to the law of conservation of energy,…

Q: 1. a) What is the Potential Energy of a 30kg mass at the edge of a roof 110 m above the ground? The…

Q: 5. (a) What is the kinetic energy in joules of a 1000kg automobile traveling at 90km/h? (b) How much…

Q: 1- what are the types of conservation energy? And what is the different between potential energy and…

A: There are different types of energy in the universe. Energy is always conserved, which means that…

Q: 1. A block of bricks is raised 3.0 m vertically to a bricklayer at the top of a wall using a pulley…

A: formula:

Q: 5. A box of mass 16 kg is pulled up a rough incline with a speed of 1.5 m/s. The force applied by…

Q: A 0.300-kg ball has a speed of 15.0 m/s. (a) What is its kinetic energy? (b) What If? If its speed…

Q: 0.31-kg particle has a speed of 5.0 m/s at point A and kinetic energy of 7.8 J at point B. (a) What…

Q: 1. What is the kinetic energy in joules of a 1000-kg automobile traveling at 90 km/h? a. What is the…

A: Given: The mass of automobile is m=1000 kg. The velocity of automobile is v=90 km/h. The…

Q: 3. A certain force applied on an object is depicted below. (a) What is the work done by the force…

Q: 1. A1 kg rock is at a height of 100 meters. a. What is the rock's gravitational potential energy at…

Q: How much work must a spring with a constant of 8.3 x 104 N/m do to stop a 1,520-kg vehicle traveling…

Q: The gravitational potential energy of a 500kg elevator at the top of a building, 450m above the…

A: mass=m=500 kg h=450 m PE=mgh g=9.8 m/s^2

Q: (I) How much work must be done to stop a 925-kg car traveling at 95 km/h?

A: Given :- Mass of the car (m) = 925 kg Initial velocity (v) = 95 km /h (or) 26.39 m/s

Q: Q22. A fish weighing 35 kg dives and hits the ground (zero height) with kinetic energy equal to…

Q: PROBLEM 2 What is the change in gravitational potential energy for a 70 kg man walking up stairs…

A: Given data The mass of the man is given as m = 70 kg. The initial height of the stair is given as…

Q: A 1000kg elevator, initially at rest, suffers a catastrophic mechanical failure and free falls 20m…

Q: A pump discharges 500 liters of fuel oil into a tank 20 m above the pump’s intake in 10minutes. a.…

A: Given: Height, h=20 m Time, t=10 min=10×60 s=600 s Mass: m=500×0.89×1000 =445000 g =445 kg a)…

Q: 1a) A 4.1 "kilo" bag of sugar is on a counter. How much work is required to put the bag on a shelf a…

A: ...

Q: "20 kg bear slides, from rest, 6 m down a Lodgepole Pine tree, moving with a speed of 5.6 m/s just…

A: The mass of bear. m=20 kg Gravitational acceleration g=9.8 m/s² Height h=6 m The potential…

Q: Question 28

A: The expression from kinetic energy,

Q: 1. A 2- kg box is lifted 1 m from the floor to a table top and then to a shelf 1 m above the table.…

Q: 4) A roller coaster of mass 80.0 kg is moving with a speed of 20.0 m/s at position A as shown in the…

Q: 1. What is the change in gravitational potential energy for a 7o kg man walking up stairs from a…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: 1. What is the kinetic energy of a bullet with a mass of 0.2 kg if its velocity is 700m/s²? 2. What…

A: kinetic energy = (1/2) mv^2 m= mass v= velocity Potential energy = mgh m= mass g= acceleration due…

Q: 2 A certain automobile has a mass of 1200kg. a. How much work is required to increase the speed the…

Q: (II) A 66.5-kg hiker starts at an elevation of 1270 m andclimbs to the top of a peak 2660 m high.…

A: a) Change in potential energy is given by,…

Q: 14. A hiker wearing a backpack stands on a hill at an altitude of 50 m, which would decrease the…

A: Gravitational PE = Mass x Height x g If hiker moves up the hill, H increases so gravitational PE…

Q: 45.) Which of the following would describe gravitational potential energy?

A: The gravitational potential energy is given as,

Q: A force of 45.6 lb is used to push a box 10.3 ft across a level floor. (a) How much work was done on…

A: Given, Force acting on the box, F = 45.6 lb Displacement of box, x = 10.3 ft For calculating work…

Q: 1. A woman runs a kilometer using a force of 210N and a power output of 500W. How long in minutes…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: 1) A 120kg crate is being lifted from ground level to a height of 9m in a time of 12 seconds.…

A: (a) The gravitational potential energy is, U=mghU=120 kg9.80 m/s29 mU=10584 J (b) According to…

Q: 1. A jeep with mass of 2000 kg is going 18 m/s at the bottom of a hill that is 50.0m high. When it…

A: 1. According to the kinematics equation, the acceleration of the object is,…

Q: "30 kg bear slides, from rest, 12 m down a Lodgepole Pine tree, moving with a speed of 5.6 m/s just…

Q: 13.lf it takes total work W to give an object a speed v and kinetic energy K, starting from rest,…

Q: 2. Nicole lifts a bowling ball with a mass of 6.2 kg to a height of 1.5 meters above the floor. (a)…

A: Given:m = 6.2 kgh = 1.5 m

Q: 3. Suppose you lift a 20 kg box by a height of 1.0 m. a) How much work do you do in lifting the box?…

A: Since you have posted a question with a multiple sub parts, we will solve first three sub - parts…

Q: A 61.0-kg athlete leaps straight up into the air from a trampoline with an initial speed of 9.7 m/s.…

Concept explainers

Newton’s Third Law of Motion

The horse pulls the cart and the cart pulls the horse in response as per Newton third law. So the big question is, “Don’t the two forces cancel each other? How does the cart accelerate?”

Question

The gravitational potential energy of a 700kg elevator at the top of a building, 350m above the
ground level is
ut of
O a.
2.401GJ
O b. 2.401MJ
uestion
O c. 2.401kJ
O d. 0.245MJ
ENG
DELL
F2
F3
F4
F5
F6
F7
F8
F9

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.

Similar questions

A 4.00-kg crate Marling at rest slides dawn a rough 6.00-m-long ramp, inclined at 30.0 below the horizontal The magnitude of the force of friction between the crate and the tamp is 8.00 N (a) How much work is done on the crate by friction? (b) What is the change in potential energy of the crate in sliding down the ramp? (c) What is the speed of the crate at the bottom of the incline? (See Sections 5.2 and 5.3.)
(a) How long will it take an 850-kg car with a useful power output of 40.0 hp (1hp=746W) to reach a speed of 15.0 m/s, neglecting friction? (b) How long will this acceleration take if the car also climbs a 3.00-m-high hill in the process?
. In the annual Empire State Building race, contestants run up 1,575 steps to a height of 1,050 ft. In 2003, Australian Paul Crake completed the race in a record time of 9 min and 33 S, Mr., Crake weighed 143 lb (65 kg) , (a) How much work did Mr., Crake do in reaching the top of the building? (b) What was his average power output (in ft-lb/s and in hp)?
An archer pulls her bowstring back 0.400 m by exerting a force that increases uniformly from zero to 230 N. (a) What is the equivalent spring constant of the bow? (b) How much work does the archer do on the string in drawing the bow?
. At NASA's Zero Gravity Research Facility in Cleveland, Ohio, experimental payloads fall freely from rest in an evacuated vertical shaft through a distance of 132 m, (a) If a particular payload has a mass of 45 kg, what is its potential energy relative to the bottom of the shaft? (b) How fast will the payload be traveling when it reaches the bottom of the shaft? Convert your answer to mph for a comparison to highway speeds.
Describe the energy transfers and transformations for a javelin, stating from the point at which an athlete picks up the javelin and ending when the javelin is stuck into the ground after being thrown.
a shopper in a supermarket pushes a cart with a force of 35 N directed at an angle of 25 below the horizontal. The force is just sufficient to overcome various frictional forces, so the cart moves at constant speed, (a) Find the work done by the shopper as she moves down a 50.0-m length aisle, (b) What is the net work done on the cart? Why? (c) The shopper goes down the next aisle, pushing horizontally and maintaining the same speed as before. If the work done by frictional forces doesnt change, would the shoppers applied force be larger, smaller, or the same? What about the work done on the cart by the shopper?
a shopper in a supermarket pushes a cart with a force of 35 N directed at an angle of 25 below the horizontal. The force is just sufficient to overcome various frictional forces, so the cart moves at constant speed, (a) Find the work done by the shopper as she moves down a 50.0-m length aisle, (b) What is the net work done on the cart? Why? (c) The shopper goes down the next aisle, pushing horizontally and maintaining the same speed as before. If the work done by frictional forces doesnt change, would the shoppers applied force be larger, smaller, or the same? What about the work done on the cart by the shopper?
. In compressing the spring in a toy dart gun, 0.5J of work is done. When the gun is fired, the spring gives its potential energy to a dart with a mass of 0.02 kg. (a) What is the dart’s kinetic energy as it leaves the gun? (b) What is the dart’s speed?
A 60.0-kg athlete leaps straight up into the air from a trampoline with an initial speed of 9.0 m/s. The goal of this problem is to find the maximum height she attains and her speed at half maximum height. (a) What are the interacting objects and how do they interact? (b) Select the height at which the athletes speed is 9.0 m/s as y = 0. What is her kinetic energy at this point? What is the gravitational potential energy associated with the athlete? (c) What is her kinetic energy at maximum height? What is the gravitational potential energy associated with the athlete? (d) Write a general equation for energy conservation in this case and solve for the maximum height. Substitute and obtain a numerical answer. (e) Write the general equation for energy conservation and solve for the velocity at half the maximum height. Substitute and obtain a numerical answer.
Integrated Concepts (a) What force must be supplied by an elevator cable to produce an acceleration of 0.800 m/s2 against a 200-N frictional force, if the mass of the loaded elevator is 1500 kg? (b) How much work is done by the cable in lifting the elevator 20.0 m? (c) What is the final speed of the elevator if it starts from rest? (d) How much work went into thermal energy?
Explain why it is easier to climb a mountain on a zigzag path rather than one straight up the side. Is your increase in gravitational potential energy the same in both cases? Is your energy consumption the same in both?