A 1.70-m tall person lifts a 2.40-kg book from the ground so it is 2.20 m above the ground. a) What is the potential energy of the book relative to the ground? b) What is the potential energy of the book relative to the top of the person's head? c)How is the work done by the person related to the answers in parts A and B?          (a) The work done by the person in lifting the book from the ground to the final height is the same as the answer to part A          (b) The work done by the person in lifting the book from the ground to the final height is the same as the answer to part B

Q: A truck is towing a broken-down car via a horizontal cable for 360 m along a road. If the tension on…

A: Tension is a pulling force acting at the ends of a string or cable. Work done is the energy imparted…

Q: A 1.0 [kg] box slides 5.0 [m] down a rough inclined plane at an angle 40° with respect to the…

A: Mass(m) = 1 kg slide distance(x)=40o μk=0.20Required work done

Q: A 35 kg child climbs a 6.00 m long slide that is inclined 30° with the horizontal. What is the…

A:

Q: 900 N box is pushed up an inclined plane that is 6.0 m long. It requires 3900 J of work to get the…

A: kinetic energy at bottom= kinetic energy at top=0 as as bottom and top the speed is zero. potential…

Q: 6. A child does 350 J of work to lift a box from the ground up to his tree house at a steady speed.…

A:

Q: A worker pushes a sled with a force of 40 N over a level distance of 6.0 m. If a frictional force of…

A: Given data:  Applied force (F) = 40 N Distance (d) = 6.0 m Frictional force (f) = 12 N, in opposite…

Q: A dockworker pushes a box along a horizontal floor and moves a distance of 4.6 m with a force F…

A:

Q: A7.3 kg raccoon climbs a 6.9 m tall tree in 22.5 s, how much work does the raccoon do

A: given mass of raccoon m = 7.3 kg height to climb h = 6.9 m time taken t= 22.5 s work done W = mgh…

Q: You push your physics book 1.10 m along a horizontal tabletop with a horizontal push of 3.00 N while…

A: Force=0.700N

Q: Suppose a person pushes a box over a distance of 3.88 m with a constant force of 375.2 N. How much…

A:

Q: An individual lifts a 77.5 kg weight to a height of 2.12 m. When the weight is held overhead, what…

A:

Q: A person pushes the wall with a force of 53N . How much work the person is doing on the wall.   A.…

A:

Q: s of 4.15kg. Its initial velocity is 14.3m/s and its final is 7.43m/s. Force A has a work of +747J,…

A: Given:-  A ball has a mass of m = 4.15kg.   Its initial velocity is 14.3m/s and its final is…

Q: ***A spring has a natural length of 10 cm. If 10 dynes of force is required to keep it stretched 1/2…

A: When in spring if some load is applied, then it is pulled downwards to some distance which depends…

Q: a 1.60 m tall person lifts a 1.65 kg book off the ground so it is 2.20 m above the ground. what is…

A: Given Data Height of the person is h=1.60 m Mass of the book is m=1.65 kg Final height of the book…

Q: A horizontal force of 200 N is applied to move a 55 kg television set across a 10 m level surface.…

A: The work done by a force F to move a object by a distance x in the direction of force (θ=0°) is…

Q: A helicopter lifts a 74 kg astronaut 17 m vertically from the ocean by means of a cable. The…

A:

Q: A 1.60-m-tall person lifts a 1.65-kg book off the ground so it is 2.20 m above the ground. What is…

A:

Q: When an 78.8-kg adult uses a spiral staircase to climb to the second floor of his house, his…

A:

Q: TO pic: 1. What work is done by a girl who pushes a box along the floor with a force of 80 newtons…

A:

Q: A man pushes an 8 kg crate, making it travel a distance of 5.0 meters upwards on an inclined,…

A: Given data:  Mass (m) = 8 kg Displacement (d) = 5 m, upward Angle (θ) = 30° Speed of the crate is…

Q: An applied force of 40.0 N j lifts an object straight up a distance of 1.20 m. If the object has a…

A:

Q: What is the work required to raise a 200 kg barbell to a height of 1.25 m? From the problem, what is…

A: Given data:  Mass (m) = 200 kg Height (h) = 1.25 m Required: Force (F)

Q: If we know that a force of 5 N is applied on an object while the object moves 2 m, can we determine…

A: Given : F = 5 N d = 2 m

Q: What is the potential energy of a 15 kg dumbbell sitting on a weight bench 0.65 m above the floor?…

A: Given that, Mass of a dumbbell, m = 15 kg It is placed on a bench 0.65 m above the floor. We need to…

Q: A 5.0-kg cart is moving horizontally at 4.0 m/s. In order to change its speed to 6.0 m/s, the net…

A: Given: Mass of cart m=5.0 kg Initial speed u=4.0 m/s Final speed v=6.0 m/s To find net work done in…

Q: An athlete with a mass of 63.5 kg is in a cross country race, and at one instant he has a speed of…

A: Write down the values using a suitable variable. Here. m signifies athlete mass and v signifies the…

Q: A block with a mass of 0.8 kg slides down a ramp. If it has an initial speed of 7 m/s, what is the…

A: Mass of block is m = 0.8 kg Initial speed of the block is u = 7 m/s

Q: What is the potential energy of an acorn falling out of a tree 20 meters above the ground that has a…

A: Given value--- height = 20 m. weight of acorn = 23.7 N. We have to find--- potential energy?

Q: A variable force F(x) = ax, in which a = 3.0 N/m, acts on an object. Calculate the work done by…

A:

Q: A cord is loaded with a brick and is pulled at a constant speed up along an inclined plane 25…

A:

Q: A crate that has a mass of 20 kg is raised 10 meters above the ground. How much potential point…

A: Potential energy comes due to height only. Its value is given by  P.E.- mgh  m - mass of the object…

Q: irl is pushing a box with mass 5kg across the floor with a speed of 1m/s. What is the power (work…

A: Given  Mass ,m = 5kg  Speed, V = 1 m/s  Power =P=???  Work Done by girl, W =??

Q: A 4 kg object is moving horizontally with a speed of 5 m/s. To increase its speed to 10 m/s, the…

A: As object is moving horizontally, potential energy will remain constant. From work energy theorem,…

Q: 820 J of work is done when an object is raised from ground level to a height 5.0 m. What is the mass…

A:

Q: A 41.00 kg block starts from rest at the top of a 25.0 m long 30.0° incline. Its kinetic energy at…

A:

Q: A 1250 kg truck is moving at 85 km/h. If the speed of the truck is changed to 60 km/h by applying a…

A:

Q: In the figure, a frictionless roller coaster car of mass m = 992 kg tops the first hill with speed…

A:

Q: A total force of 500 N is applied to pull a box on a rough surface along a distance of 60 m. If…

A: Given : Total force (F) = 500 N Distance (d) = 60 m Work done against friction (Wf) = 1000 J

Q: A car with a mass of 2000 kg starts at rest from a point 30 m above the ground. At point B, it is 15…

A: Given: Mass of car (m) = 2000 kg. Initial Altitude of car (ha) = 30 m. At point B the altitude of…

Q: A net force of 60N accelerates a 4kg mass horizontally over a frictionless surface a distance of…

A: Using the formula of work done,

Q: An accelerating object of mass m=11 kg is fired with an initial speed vi=6 m/s at a starting point.…

A:

Q: When an 81.0 kg adult uses a spiral staircase to climb to the second floor of his house, his…

A: Given: mass of adult person, M = 81 kg mass of child, m = 18 kg  change in gravitational potential…

Q: An arrow that is pulled back by a bow has which type of energy? *   a, gravitational potential   b.…

A:

Q: A 1.60-m-tall person lifts a 1.65-kg book off the ground so it is 2.20 m above the ground. What is…

A: Given data:  Mass (m) = 1.65 kg Height (h) = 2.20 m Required: Potential Energy (U)

Q: The Burj Khalifa in Dubai is the world's tallest building. The structure is 828 m (2,716.5 feet) and…

A: Given : Mass of tourist = 181 lb = 82.1 kg Height of the building  = 828 m Potential energy at…

Q: You push your physics book 1.50 m along a horizontal tabletop with a horizontal push of 2.40 N while…

A: