There are many levers in the human but the most common one is 3rd 2nd 1st
Q: The brakes of a truck cause it to slow down by applying a retarding force of 7560 N to the truck…
A: The objective of this question is to calculate the work done by the force applied by the brakes of…
Q: 18. A cable with mass 12 kg/meter is lifting a load of 150 kg that is initially at the bottom of a…
A: According to my knowledge, the mass of the cable should be ½ kg/meter. Consider x as the lift…
Q: force of 40 N acts on body of mass 5 Kg which is initially at rest. What is the amount of work done…
A: Given: force = 40 N mass = 5 Kg u = 0 m/s t = 10 seconds
Q: 3) If the escalator is not moving, determine the constant speed at which a man having a mass of 80…
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Q: Which of the following correctly describes power? force measured on an ergometer multiplied by…
A: Required: The power formula and defination
Q: How much work is done by the environment in the process shown in the figure? Express your answer…
A: Given : Ki=4 J Ui=1 J Kt=1 J Ut=2 J ∆ETh=1 J In this question we have to find the value of Wext.
Q: In the above image the crate starts at rest on top of a 4 meter high hill. The Person applies an 800…
A: Newton's second law of motion states that the acceleration of an object is directly proportional to…
Q: In the figure, a chain is held on a frictionless table with 1/4 of its length hanging over the edge.…
A:
Q: Which of the following is not a unit of power? Select one: a. J/s b. W⋅s c. ft⋅lbs/s…
A: As we know that, Power is the amount of energy transferred per unit time or rate of doing…
Q: Question 8) Regis goes to the water slides at an amusement park on a hot summer day. He approaches a…
A:
Q: Find the scalar product of the vectors in the figure below, where 0 119° and F = 33.5 N. %3D 132°…
A: F = 33.5 N d = 17.3 cm= 0.173 m Angle between both the vectors = 19 degree
Q: Energy of a Roller Coaster Car 500 450 400 350 According to the graph, what is the relationship…
A: The energy of the roller coaster is represented in the graph
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: R T T2 M1 = 10 kg M2 = 6 kg 8 m How much work is done by mass 1? b. How much work is done by mass 2?…
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Q: A) Explain the Law of Conservation of Energy in the context of this problem.
A: The law of conservation of energy states that the total energy of any system during any process…
Q: An object with mass m = 152 kg moving at the speed of v = 0.53 m/s was stopped by an external force…
A:
Q: In which of the following situations would the capacity to do work be greatest? Note: Omega is…
A: The values of mass m , linear velocity v , moment of inertia I and angular velocity w is given We…
Q: Your friend is pushing a crate. The crate is so heavy of 120 kg of mass that it is moving very…
A: Mass of crate, m=120kg Initial speed of crate, u=2m/s Final speed of crate, v=5m/s Let the work done…
Q: How much work is done by the gravitational force on earth by the sun, as the earth orbits around t
A: Given:- the earth orbits around the sun in a nearly perfectly circular orbit Find:- How much work is…
Q: Analyze the degree of freedom or how many independent controllers to be incorporated for the…
A: Solution The number of independent variables required to completely specify the state of a system is…
Q: An ice cube is placed in a microwave oven. Suppose the oven delivers 135 W of power to the ice cube…
A: Let the power is denoted by P and the energy be denoted by E.


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- Two protons start out a distance of 3 m from eachother; inititally the protons are at rest. They both start to move away from eachother at the same speed. What is the initial potential energy of this system? What will the final velocity of the protons be when they are 10 m from eachother?A 500N girl is in a tire swing that is attached to a rope 3m long and loops-the-loop. Determine the gravitational potential energy of the girl when the ropes are horizontal.A person in good physical condition is able to produce 100 W of useful power for several hours at a stretch, say by pedaling a mechanism that drives an electric generator. Neglecting any problems of generator efficiency and practical considerations such as resting time, answer the subsequent questions about such a power generation method: 1. How many people on such devices would it take to run a 4.2-kW electric clothes dryer? Ndryer= 2. How many people on such devices would it take to replace a large electric power plant that generates 820 MW?Nplant =
- I included two pictures. Please show me how to approach the problem in the correct manner based on the feedback given. It is okay to completely change the answer if you need to. Please give a reasoning to why the claim is not reasonable and the work needed to back this up.A 0.141 kg baseball leaves a pitchers hand at a speed of 31.5 m/s Part A of the air drag is negligible how much work has the pitcher done on the ball by throwing it express your answer in the appropriate unitHey what’s the answer to this
- A 55kg painter ascends a 12kg ladder. The painter begins to slip when she is 70% up the ladder. What is μs between the ladder and floor? (Assume wall is frictionless)A 70 kg person climbs a 2.0 m high flight of stairs within 8 seconds when he walks and 2 seconds when he runs up the stairs. What is the work done by the person as he runs up the stairs280 J560 J1372 J10976 JYou place an ice cube in a microwave oven. If it requires 32,165 J to melt the ice cube and the oven delivers 98 W of power to the ice cube, determine the time (in min) needed to melt the ice cube. min
- Calculate the dot product of the vectors F = -i + 3j - 6k ; G = 7i - 5j + k. a. 28 b. -28 c. 30 d. -309- How much work must be done to stop an 1800 kg vehicle traveling at 30 m/s ? a- 1.8 x 104 J b- 5.4 x 10*j C- 5.3 x 105 J d- 8.1 x105 JCat =2N Fe 20m 10m Fe 20m 2m Fe 20m 18m Refer to the illustrated lever systems to fill in the correct answers within the blanks below. You may use a calculator or the calculator provided with the question for lever calculations. The resistance arm and effort arm for lever A are 10 meters. Using lever A; How many newtons of effort force is required to move the 2N cat? type your answer... There are 3 lever systems illustrated. Which lever system will require the greatest effort force to move the 2N cat? Lever Mantee Anguer