A rocket of mass 1236 kg moves its entire length of 12.3m straight upwards thanks to a force of 3000ON. What is the rocket's change in kinetic energy? What is its change in potential energy?

Q: A small car (800 kg) and a large truck (4000 kg) travel toward each other, each at 8.00 m/s, and…

A: Given, mass of the car, m = 800 kg mass of the truck, M = 4000 kg moving with velocity, u = 8.00 ms…

Q: The 25-Kip Force shown in the Ggure. below makes t-axis.Determine of an acgle of 4o" the t and o…

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Q: A bucket begins weighing 15 pounds, including the sand it holds. The bucket is to be lifted to the…

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Q: PHYS-91; Multiple Choice: A 10,000-watt motor operates an elevator weighing 5000 newtons. Assuming…

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Q: acceleration due to gravity js 13 m/8 What will be the patential energy of body af mass 2kg kept a…

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Q: 2. Charged particle interactions and energy conservation A stationary charge, Q =+31.0µC, remains…

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Q: Consider a conical water tank with a base diameter and height of 8 m and 10 m, respectively. How…

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Q: A spherical tank of diameter 6 m is full of water. Set-up the integral for the work done in pumping…

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Q: A bony-of whent weight Boo kg. To ushat heght Shoulol it be oraired 2o Shat potential energy 94 0 JP…

A: Given data :             Acceleration due to gravity = q             Mass of the bag  = m…

Q: A wire 5 m long and 0.4 mm in diameter is stretched by a load 2 kg. If the extension in wire is 3…

A: Energy per unit volume =?Given:Length of wire (L)=5 mDiameter of wire (d)=0.4 mmd=0.4×10-3 mRadius…

Q: we have

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Q: A 1kg rock us released from rest at height of 20m. Ignoring air resistance, determine the GPE,KE,…

A: Disclaimer: “Since you have asked posted a question with multiple sub-parts, we will solve the first…

Q: A bucket with mass 2 kg begins holding a mass of 30 kg of sand. The bucket is to be lifted to the…

A: Given values -  Weight of rope is negligible hence -

Q: In a downhill ski race, little advantage is gained by getting a "running" start. This is because the…

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Q: A small gasoline‐powered car weighs 1100 kg. The rear seating weighs 34 kg. How much energy and…

A: GIVEN Weight of the gasoline powered car = 1100 kg rear seating weighs 34 kg Lifetime of the car =…

Q: In the figure, a 4.5 g ice flake is released from the edge of a hemispherical bowl whose radius r is…

A: Given,  radius of bowl= 24 cm or 0.24 m Mass of flake= 4.5 gram mass of flake in second case= 4.5*6=…

Q: A building is 20 by 15 m and 15 m tall. You want to install a 10-kW wind turbine. How tall of a…

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Q: Relationship between free energy and work function

A: In science, free energy is said to be the internal energy which can be used to do work. There are…

Q: When the object is at the highest position , the PEg is at

A: The gravitational potential energy is given by  U = m g h   The kinetic energy is given by  K= 0.5…

Q: 7. Consider the scalar quantity = 5x²y³z². Find: Vo. 8. Find: |VO|@ (3, 6, 9).

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Q: 2. Calculate the work done in the following cyclical system: P 3x105 exlos N/m? a lom3 5om? V

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Q: How much energy is lost to a dissipative drag force if a 60-kg person falls at a constant speed for…

A: Given that,Mass of person : m=60kgDistance : h = 15 mHere we need to find:Energy lost Now,As we know…

Q: Find the work done in joules by gravity as an object of the mass m=11 kg is raised up at constant…

A: Mass, m = 11 kg  Height, h1=29 m and h2=78 m  Acceleration, a = -g = -10

Q: Level 8 (B) eaten? 1. A 5-kg fish swimming at 1 m/s swallows a 1-kg fish swimming toward it at a…

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Q: signments KHW07: Work and Mechanical Energy Item 8 Umin = 9 Submit With what minimum speed must you…

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Q: A tennis Ball bounces on the floor three times, and 23% of its kinectic energy is lost and…

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Q: In the figure, a 3.2 g ice flake is released from the edge of a hemispherical bowl whose radius ris…

A: Mass, m = 3.2 g Radius, r = h = 19 cm = 0.19 m Initial speed, vi = 0.51 m/s

Q: In the figure, a 2.7 g ice flake is released from the edge of a hemispherical bowl whose radius r is…

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Q: swinging ball from letter A to B to C to D what type of energy is used for each letter

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Q: much

A: given  mass of person m = 75 kg  height h = 15 m  efficiency = 25 %   1 Cal = 4.2 J

Q: A 40 lb stone is hoisted to the top of a building 100 ft high. By how much does its potential energy…

A: Given, mass of the stone, m = 40 lb height of the building, h = 100 ft

Q: The dot product (3i - j)•B is?

A: Assume the co-ordinate axis in such a way that positive x-axis is towards right and positive y-axis…

Q: 66./Michciel is playng curds with his friends, and it is his tură to deal A card has la mass op 2.3…

A: A free body diagram for the given problem is shown below

Q: A mass is dropped from a building of height h. Its mechanical energy may defined at any distance…

A: The correct option is option  a. mgh=1/2mv2+mgd

Q: Every so often, someone claims to have built a machine that can generate energy perpetually from…

A: 1) Thermodynamics first law can also be known as Law of conservation of energy "energy can neither…

Q: as 250 kilotons. That is a staggering explosion, but the asteroid impact that wiped out the…

A: Dear student,  As per guidelines we are required to author first three questions.  Thanking you!…

Q: An 72-kilogram cliff diver is standing on a cliff that is 25 meters high. What is his potential…

A: Solution

Q: It is estimated that a person expends about 2 kJ of energy per pound of body weight in walking a…

A: A person expends 2KJ of energy per pound of body weight in walking a mile From the data we know that…