An elevator cable breaks when a 925 kg elevator is 26.5 m above the top of a huge spring (k = 6.00×10^4 N/m) at the bottom of the shaft. a. Calculate the work done by gravity on the elevator before it hits the spring. b. Calculate the speed of the elevator just before striking the spring. c. Calculate the amount the spring compresses (note that here work is done by both spring and gravity.)

Q: During the Powerhouse lab, Gab runs up the stairs, elevating his 98 kg body a vertical distance of 3…

A: Given: The mass of the object is 98 kg. The vertical distance covered by the object is 3 m. The time…

Q: A man is carrying a mass m on his head and walking on a flat surface with a constant velocity v.…

A: According to question we need to find work done against gravity.

Q: When Skylab reentered the Earth's atmosphere on July 11, 1979, it broke into a myriad of pieces. One…

A:

Q: 6. A standard baseball has around 146 g. If a ball comes off a bat with 30 W of kinetic energy, how…

A: Note: The unit of kinetic energy mentioned in the question is incorrect, considering the unit of…

Q: box of 18kg is released from rest on a rough inclined plane and slides to the bottom. The plane is…

A: Here Mass of a box = 18kg released from rest on a rough inclined plane and slides to the bottom.…

Q: The figure below shows a fluid inside a cubical container of side 1 m. If the pressures inside and…

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

Q: In the figure shown, if the mass (m=6 Kg) is moving with constant speed and traveled a distance…

A: In the given question, we have to find the work done by the frictional force in moving a distance of…

Q: 1. A Roller Coaster showing in the picture bellow of mass of M = 149 Kg is moving through the 3…

A:

Q: A bungee jumper who is about to jump has her energy stored entirely as gravitational potential…

A: Initially the bungee jumper has her total initial energy stored as the gravitational potential…

Q: . A large box slides first up, and then down, an incline. The incline has friction. Which of the…

A: Friction force tends to oppose the motion relative to the surface in contact. Thus friction force…

Q: You can think of the work-energy theorem as a second theory of motion, parallel to Newton's laws in…

A:

Q: 11. Airflow lifts a 3.6 kg bird 50 m up. How much work was done by the flow?

A: We know that, Law of conservation of energy states that energy can neither be created nor…

Q: 1. Work and Energy Type Question: A rollercoaster comprises a complex path of varying slopes using a…

A: Since you have posted a question with multiple sub parts, we will provide the solution only to the…

Q: 270kg load is lifted 21.0m vertically with an acceleration a=0.170g by a single cable. A. Determine…

A:

Q: A 2.00-kg (20.0-N) stone is dropped from a height of 5.0 m, and strikes the ground with a velocity…

A: Given data: Mass (m) = 2.00 kg Weight (mg) = 20.0 N Height (h) = 5.0 m Initial velocity (v0) = 0 m/s…

Q: The work done in stretching a spring-mass system a distance x from its rest position is U = kx² /2.…

A: Solution - We are given that the work done in stretching the spring-mass system a distance x from…

Q: A 45 kg skier starts from rest and skies down a hill that is angled at 17 degrees from horizontal.…

A: Work done is given as the dot product of force vector and displacement vector . Also according to…

Q: A 0.5 kg pendulum is released from rest. If the cord is 12 m long and the bob (the ball part of the…

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

Q: An Olympic weightlifter breaks a world record by lifting 247 kg up into the air by I m. How much…

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

Q: It takes 180J of work to compress a certain spring 0.15 m. (a) What is the force constant of this…

A:

Q: A 5 kg block is set into motion at a rough inclined plane by angle 30 with an initial speed of 8 m/s…

A: Part-a Given: The mass of the block m = 5 kg. The inclination angle of the incline θ = 30o. The…

Q: 1. A block of mass 12.0 kg is placed on a rough incline with an angle of 30° (g = 10 m/s²). The…

A: Consider the following diagram A block of mass m=12kg is on an inclined plane. The forces acting on…

Q: In the figure shown, if the mass (m36 Kg) is moving with constant speed and traveled a distance d314…

A: mass (m)= 6 kg distance covered (d) = 14 m speed = constant F = 15 N θ = 53o

Q: A body of mass m slides a distance d down alom uch work is done by gravity?

A: We know that the let the mass of the body is m and it slide a distance d in the downward direction…

Q: 2. Page 2 > of 7 F=40 30 In this problem, the block moves in the horizontal direction only. A. Find…

A:

Q: Can work ever be negative? Group of answer choices Yes. If the force and displacement have opposite…

A: According to question we need to find--- work done ?

Q: A 5-kg block slides () along a rough () horizontal surface. The coefficient of kinetic friction for…

A: Given : m = 5 kg μk = 0.40 v = 3.5 m/s

Q: Find the work done in joules by gravity as an object of the mass m-12 kg is raised up at constant…

A:

Q: Consider the four possible paths of a body moving through gravity as diagrammed below. Which of the…

A:

Q: 1. A 50 kg sled is pushed by applying a force F = 400 N, as shown, with @= 30°. The surface is rough…

A: Hi, you have submitted multiple subpart questions and it is not specified which parts problem you…

Q: Does a car’s kinetic energy change more when the car speeds up from 11 to 18 m/s or from 16 to 23…

A:

Q: A 2kg package is moves up along a 10 m ramp AC inclined at 15' with an initial speed of 5 m/s.…

A: Given, m=2kgL=10mθ=150v0=5m/sμ=0.2

Q: Find the work done in joules by gravity as an object of the mass m-8 kg is raised up at constant…

A:

Q: In the figure shown, if the mass (m=4 Kg) is moving with constant speed and traveled a distance…

A:

Q: ind the work done in joules by gravity as an object of the mass m=15 kg is raised up at constant…

A: Mass (M)= 15kg Value of g=10m/S2  Height change from 35 to 69

Q: From the second law of motion and the equation for velocity EF ΣΕ = ma v² = + 2a(x2-11) Derive the…

A: Given:F→net = ma→   ....1v2 = vo2 + 2ax2−x1   ....2Asked:Use equation 1 and 2 to derive Work−Energy…

Q: A student drags a 3 kg box 5 m across a rough floor with a force of 40 N. A frictional force of 10 N…

A:

Q: 1. What is the work done by GRAVITY if a 50kg block is pushed along a 4m horizontal track? a. 1960…

A:

Q: Q4/ A body of mass 1 kg move along the Y-axis, its position varied with time according to equation y…

A: m=Mass of object=1 kg The position function is y=5t4+4t5+2t3+t+2

Q: A 300-g block is dropped onto a vertical spring with spring constant k =180.0 N/m. The block becomes…

A: Mass of block m=300 grams = 0.300 KgSpring constant K= 180 N/mCompression in spring x=44.8 cm…

Instantaneous Power

Power is defined in physics as the amount of energy transmitted or transformed per unit time. The watt is the unit of electricity in the International System of Units, equivalent to one joule per second.