Work is a _______ a) Scalar quantity b) Vector quantity c) Foreign quantity d) Magnitude less quantity
Q: Which task requires more work? A) lifting the 20-kg sack 2 meters B) lifting the 10-kg sack 4 meters…
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Q: Part (a) Write an equation for the work done by gravity as a 100-kg object falls from a height R,…
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Q: 7.) Estimate the work you do to mow a lawn 10 m by 20 m with a 50-cm-wide mower. Assume you push…
A: Given lawn size = 10 m x 20 m mower width = 50 cm mower. force = 20 N . To find out Work done
Q: Work-Energy Theorem state that: The total work done on an object is equal to its change in kinetic…
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Q: A force of F(x) = x2 - cos(3x) + 4 measured in Newtons and where x is in meters, acts on an object.…
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Q: Find the work done by a person weighing 126 lb walking exactly two revolution (s) up a circular,…
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Q: Which task requires more work? A) lifting the 10-kg sack 2 meters B) lifting the 10-kg sack 4…
A: In this question we have to find which task requires more work. Please give positive feedback if the…
Q: Question 22 If the unit of your answer is kg. m²/s3, which of the following types of quantities…
A: Given Unit of our answer is kg.m2/s3 We have to find correct option From the given options.
Q: How much work is required to lift a 3.13 kg object from the bottom of a well 8.7 m deep?
A: The expression for find required work done is W=Fd=mgd
Q: Horizontal Motion: X₁ = xo +Vxot Vxf = Vxo Vertical Motion: Eqn. A y, = y + vt + ½a,t² Vyg=vyo+a,t 2…
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Q: A force of 20 N moves an object in the direction of the force. The work done when the object moves…
A: Given data: Force (F) = 20 N Initial position = 2.0 m Final position = 4.0 m Required: The work…
Q: When we say work is done by a force, we mean the force does? A) all the work B) positive work C)…
A: When we say work is done by a force, we mean the force does positive work.
Q: How much work is done by a machine to lift 750 kg of bricks to a height of 8.2 m?
A: Work done = gain in the potential energy by the bricks = m×g×h Here, m= 750 kg g= 10 m/s2…
Q: Lifting an object from the ground and raising it to a given height does work because? a) the…
A: When lifting the object from the ground and raising the object to a height doing work because the…
Q: Problem: Just as you turn onto the main avenue from a side street with a stop sign, a city bus going…
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Q: tennis ball launchers. One person launches her tennis ball with a speed of 30 m/s at an angle of 45…
A: Answers 1 option B 2. E) neither – they both have the same velocity on impact 3. C both have the…
Q: Determine the amount of work done by the applied force when an upward force is applied to lift a…
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Q: a) 1.9 m b) 52 m c) 2.7 m d) 5.1 m e) 2.2 m
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Q: The gravitational potential energy of a body is: a) Always positive b) Always negative c) Can be…
A: • Gravitational Potential Energy: The energy of an object due to its position with respect to the…
Work is a _______
a) Scalar quantity
b) Vector quantity
c) Foreign quantity
d) Magnitude less quantity
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- 13. True or false, Kinetic energy is the quantity that measures the amount of work that goes into the motion of an objectForce (N) SF-2 The force required to stretch (elongate) a spring is shown in the graph to the right. 40 a) Find the spring constant K for this spring. b) The work required to stretch the- spring an infinitesimal distance dx is given by: dWk-Fdx where F-Kx. Do the integral to find an expression for the work required to stretch the spring from elongation x, to elongation x2. c) Find the work in joules to stretch the spring 5.00cm from its unloaded length. d) Find the work in joules to stretch the spring from x=5.00cm to X2=10.00cm. 35 30 25 20 15 10 0. 0 1 2 3. 4 6. 7 9 10 (cm) Spring Elongation, x Cip 45 立a) how much net work is required to accelerate a 1135-kg car from 18 m/s to 40 m/s? b) how much net work is required to accelerate a 955-kg car from 17 m/s to 45 m/s? c) how much net work is required to accelerate a 1089-kg car from 16 m/s to 36 m/s?