Answered: You lift a 0.250 kg dumbbell from the…

You lift a 0.250 kg dumbbell from the floor to a height of 1.55 m. What is the dumbbell gravitational potential energy relative to the floor? Relative to your head if you are 1.20 m tall?

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter7: Conservation Of Energy

Section: Chapter Questions

Problem 5OQ: Answer yes or no to each of the following questions. (a) Can an objectEarth system have kinetic...

See similar textbooks

Related questions

Q: A container with a mass of 5.1 kg is lifted to a height of 8 m and then returned back to the ground…

A: Solution: A container is lifted to height h and then returned back to ground level. How much work is…

Q: Samantha pushes a 4.1 kg crate up a ramp 3.5 * 10² m in length and inclined at 9.8° with the…

A: The situation of the crate on the inclined plane is shown below.

Q: A 50 kg gorilla is sitting on the limb of a tree 4 meters above the ground. What is the potential…

A: We know thatU=mghHereU=potential energym=mass of objectg=gravity accelerationh=height from refrence…

Q: A 72.3 kg student runs up the stairs of a football stadium to a height of 11.1 m above the ground in…

A: Power is defined as the Work Done or Energy per unit time.P=Et The energy of an object of mass m at…

Q: How High Can We Jump? The maximum height a typical human can jump from a crouched start is about 60…

A: height, h = 60 cm =0.6 m mass, m = 72 kg

Q: The “Green Monster” is the name for the left-field wall at Fenway Park and is 11.33 m tall. How…

A: The expression for gravitational potential energy Ep=mgh

Q: A 1200 kg frictionless roller coaster starts from rest at a height of 16 m. What is its kinetic…

A: In the presence of conservative forces the sum of potential energy and kinetic energy remains…

Q: One of the tallest radio towers is in Fargo, North Dakota. The tower is 629 m tall, or about 44…

A: Given data: Height (h) = 629 m The gravitational potential energy (U) = 2033 J Required: The mass…

Q: How much work is done in moving an object of mass 1 kg to a height of 4 m? (g. 9.8 m/s )*

Q: A person hikes to the top of Mount Everest, which is 9km at its peak. If the person is 60kg, what is…

A: Given data The Height of the peak is h = 9 km. The mass of the person is m = 60 kg. The…

Q: How much gravitational potential energy (in Joules) does a 9kg object have placed 15m above the…

A: Gibem data The mass is M=9 kg The height is h=15 m The reference height is, ho=0 m The accleration…

Q: A 4.0 kg bowling ball is rolling on the lane floor at 10.0 m/s. What is the gravitational potential…

Q: At the local ski slope, an 82.0-kg skier rides a gondola to the topof the mountain. If the lift has…

Q: A 0.25 kg apple falls from a tree branch 12.2 m above the ground into a basket 1.3 m above the…

A: Given: The mass of the apple is 0.25 kg. The initial height of the apple from the ground is 12.2 m.…

Q: What is the potential energy of a 3kg ball that is on the ground?

Q: As a man rides up an elevator a distance of 12.0 m, he gains 7500 J of gravitational potential…

A: Given data: Elevator distance (d) = 12.0 m Gravitational potential energy (PE) = 7500 J Need to…

Q: A 0.23-kg stone is held 1.1 m above the top edge of a water well and then dropped into it. The well…

Q: A 5.0-kg rock falls off of a 10 m cliff. If air resistance exerts a force of 10 N, what is the…

A: mass, m = 5 kg height, h = 10 m resistive force, f = 10 N initial velocity, u = 0 m/s

Q: An 88kg skater starts from rest at the top of a 140 m high hill. What is his gravitational potential…

A: Mass of skater (M) =88 kg Height of hill (h) = 140 m Gravity (g) = 9.81 m/s2 We want to find…

Q: How much work is done by a powerlifter that pushes a car with a force of 800N at a distance of 200 m

Q: How much potential energy does a person of mass 57 kg have if they are standing at the top of a…

A: Potential energy is given by U = mgh m = 57kg, h =62.4 m , g = 9.81 m/s2 U = 57*9.81*62.4 =…

Q: How much work (in J) must be done to lift a stack of bricks, which has a mass of 700 kg, from the…

A: mass m = 700 kg height h = 13 m g = 10 m/s2

Q: A 3 kg history textbook is placed on a 2 m high desk. How large is the gravitational potential…

A: gravitational potential energy of earth and book system is given as U=MgH here M is mass g is…

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

Q: You are working on a construction job and the boss asks you to hold a piece of plywood up at a…

A: Given: The weight of the wood is 34.1 N. The vertical displacement of the object is 1.27 m. The time…

Q: A 129 pound student races up stairs with a vertical height of 5.7 m in 6.5s to get to a class on the…

A: Given data The weight of the student is W = 129 lb. The vertical height is given as h = 5.7 m The…

Q: The Elf on the Shelf has mass 0.500 kg and is sitting on a shelf some height y above the ground. If…

Q: A soccer ball flying through the air in free fall at some height above the ground has a kinetic…

A: The kinetic energy of a soccer ball at one position,

Q: You place a mug with a mass of 2.5 kg on a table that's 36 in. above the ground, what is the mug's…

Q: The mass of 1 cubic meter of fresh water at the top of a 100 m hydroelectric dam is 1,000 kg and it…

A: potential energy = 980000 Joules mass = 1000 kg using conservation of energy initial potential…

Q: At the tallest drop in the rollercoaster, the cart has 500 J of potential energy and 0 of kinetic…

A: Required : Total mechanical energy at the end of the rollercoaster.

Q: What is the kinetic energy of a 3000 lb automobile which is moving at 30 mph? The correct answer…

A: m = 3000 lb = 1360.78 kg v = 13.41 m/s So KE = 1/2 mv^2

Q: Samantha is on her bicycle, at the top of a 25 m hill. If Samantha and the bicycle have a combined…

Q: Thor stands on top of the Stark Tower (425 m) and fights his brother Loki using Mjolnir, his hammer.…

A: Given: Height of stark tower h = 425 m. Mass of mjolnir M = 300 billion elephant = 4.5×1015 kg.

Q: 13. A mass of 1 kg. was released from a 1,000 meter height. What is its Potential Energy at the…

A: Given : m = 1 kg H = 1000 m

Q: How much work (in J) must be done to lift a stack of bricks, which has a mass of 50 kg, from the…

A: Given data The mass is m=50 kg The height of the lift is h=6 m The accleration due to gravity is…

Q: How much work does a 52-kg woman do against gravity when climbing from the bottom to the top of a…

A: Given: Mass of the woman, m = 52-kg. Height of the staircase, h = 2.8 m. To Find: The work done.

Q: A 0.607 kg book is lifted from the floor and placed on a shelf 1.94 m high. What is the increase in…

Q: A 0.25-kg stone is held 1.4 m above the top edge of a water well and then dropped into it. The well…

A: Consider mass(m) is dropped from height(h1) into the well of depth(h2).

Q: A body with a mass of 175 kg is moved through 126 cm by a force of 61,25 N. The body is supported 39…

A: According to the conservation of energy, the potential energy of the body at the maximum height will…

Q: How much work is done in moving an object of mass 1 kg to a height of 4 m? (g. 9.8 m/s ).

Q: A 0.15 kg apple is hanging in a tree, 3.0 m above the ground. How much gravitational potential…

A: Given data: An apple is hanging in a tree Mass (m) = 0.15 kg Height (h) = 3.0 m Required:…

Q: A 1.6 m tall man lifts 2.1 kg box from the ground to a height 2.2 m above the ground. What is the…

Q: A 10 kg cat climbs a tree to a height of 8.2 meters. What is the gravitational potential energy of…

A: Mass (m) = 10 kg Height (h) = 8.2 m Gravity (g ) = 9.80 m/s2 .........(constant)

Q: A 0.764 kg book is lifted from the floor and placed on a shelf 2.09 m high. What is the increase in…

A: Formula of gravitational potential energy is as follows: Ug=mgh…

Question

Can you answer number 1?

Answer the following problems.
1. You lift a 0.250 kg dumbbell from the floor to a height of 1.55 m. What is
the dumbbell gravitational potential energy relative to the floor? Relative
to your head if you are 1.20 m tall?

Expert Solution

This question has been solved!

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

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

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

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.
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?
A person in good physical condition can put out 100 W of useful power for several hours at a stretch, perhaps by pedaling a mechanism that drives an electric generator. Neglecting any problems of generator efficiency and practical considerations such as resting time: (a) How many people ‘would it take to nm a 4.O0-kW electric clothes dryer? (b) How many people would it take to replace a large electric power plant that generates 800 MW?
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?
(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?
Calculate the power output needed for a 950-kg car to climb a 2.00 slope at a constant 30.0 m/s while encountering wind resistance and friction totaling 600 N.
In an iconic movie scene, Forrest Gump (https://openstaxcollege.org/l/21ForrGumpvid) runs around the country. If he is running at a constant speed of 3 m/s, would it take him more or less energy to run uphill or downhill and why?
A shopper pushes a grocery cart 20.0 m at constant speed on level ground, against a 35.0 N frictional force. He pushes in a direction 25.0° below the horizontal. (a) What is the work done on the cart by friction? (b) What is the work done on the cart by the gravitational force? (c) What is the work done on the cart by the shopper? (d) Find the force the shopper exerts, using energy considerations. (e) What is the total work done on the cart?
A raindrop of mass 3.35 10-5 kg falls vertically at constant speed under the influence of gravity and air resistance. Model the drop as a particle. As it falls 100 in, what is the work (lone on the raindrop (a) by the gravitational force and (b) by air resistance?
A 500-kg dragster accelerates from rest to a final speed of 110 m/s in 400 m (about a quarter of a mile) and encounters an average frictional force of 1200 N. What is its average power output in watts and horsepower if this takes 7.30s?
A shopper pushes a grocery cart 20.0 m at constant speed on level ground, against a 35.0 N frictional force. He pushes in a direction 25.Oc below the horizontal. (a) What is the work done on the cart by friction? (b) What is the work done on the cart by the gravitational force? (c) What is the work done on the cart by the shopper? (d) Find the force the shopper exerts, using energy considerations. (e) What is the total work done on the cart?
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?