The diameter of a cylindrical sample metal was measured using a Vernier caliper and gave the following reading in cm. 16 a. What is the diameter of the sample metal and calculate the cross-sectional area of the sample cylindrical metal.

Q: Calculate the amount of work done if a 300 N object is lifted to a height of 2.5 m.

A: Given that Weight of object F = 300 N Height h = 2.5 m

Q: Rings 2 n work done by the мал 2

A: Write the expression for the work done. W=F→⋅d→W=Fdcosθ Here, F is the force, d is the distance, and…

Q: How much work is needed to lift a 100 pound weight from 10 feet above ground to the top of a 50 foot…

A:

Q: Can there be a net force on an object and have no work done to it? Defend your answer.

A: let the net force acting on the object be "F"  and displacement of the object due to this force is…

Q: If the energy stored in the spring when it was stretched .25 m was used to launch a .1kg ball…

A: Given, m=0.1 kg x=0.25 m energy stored in the spring =12kx2 Where k is the spring constant and x is…

Q: How much work is done lifting a 20 pound object from the ground to the top of a 50 foot building if…

A: Weight = 20 pounds Weight per foot = 2.5 lb/ft Height = 50 ft Workdone, W = ?

Q: [Numbers change] If this amount of energy were used to lift a person with mass 92 kg off the ground,…

A: Solution: let us calculate the amount of energy from the information of the power and of the laptop…

Q: How can energy be transferred back forth between kinetic energy and potential energy?

A: Ans:-       Kinetic energy can be stored if we drop the object from the shelf or release the spring,…

Q: Blocks A and B have a masses of 200 kg and 240 kg , respectively. (Figure 2) The coefficient of…

A: Concept used: A vector can be split into horizontal and vertical components.  An object has to…

Q: How far apart should 2 protons be to experience the same force as the weight of a .1kg apple at a…

A:

Q: can you do this using conservation of energy?

A:

Q: Which of the following is not a unit of power? O J/s O N'm O horsepower Watts

A:

Q: 8. Find the work done by the field F in moving an object from P to 5 F(x, y) = x² ↑ + y³ Ĵ; P(1,0),…

A: Given, Force, F→ = x5 i^ + y5 j^ P1, 0, Q3, 3

Q: how do you use conservation of energy to find the change in the gravitational potential of a cart on…

A: Let us consider a mass m attached with the spring of spring constant k placed on an inclined plane…

Q: 39.) More work is needed to carry a heavy suitcase slowly up a flight of stairs than to carry the…

A: Work done is given as: W=F.s=Fs cos θ Where, W→ work done F→Force s→displacement θ→∠ b/w force &…

Q: Couldn't read the last follow up question as the solution written breaks the page and am unable to…

A: (Note: As per the student's request, here I am giving the solution to the part D only)   Question:…

Q: How much work is done. on jhe precticle when it reaches x = fro when it reeches x

A: The work done on the particle using F-x graph is given by area under the graph.    W=Work done by…

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…