Work-power-energy, Mechanical Engineering

Assignment Help:

 

Under the action of constant force, a 2kg block moves such that its position x as a function of time is given by X=t^3/3 ,where x in meters and t in sec , the workdone by force in first 2 seconds is

A 26.6 j

B 3.3 j

C 16 j

D 32 j

Solution) v=dx/dt=t^2,a=dv/dt=2t,f(t)=ma(t),w=∫f(t)*v(t) dt (from x=0 to x=2 sec)


Related Discussions:- Work-power-energy

Group technology and cellular manufacturing, write a VB programme that comp...

write a VB programme that compute the binary ordering algorithm for unlimited number of machines and parts

Interesting history of iges, Interesting history of IGES: In the year ...

Interesting history of IGES: In the year of 1979, events took place that catalyzed the CAD vendor and user community to make the first national standard for CAD data exchange.

Larson-miller parameter, Larson-Miller parameter: For material of exam...

Larson-Miller parameter: For material of example of calculate life in hours at temperature of 900oC, and at σ = 20 MPa. Solution Larson-Miller parameter is given by

Compute the outside diameter of the shaft, Compute the outside diameter of ...

Compute the outside diameter of the shaft: A hollow shaft of diameter ratio is 0.4 is needed to transit 600 kW at 120 rpm. The maximum torque being 20% greater than the mean t

Calculate the cycle and production rate , Calculate the Cycle and Productio...

Calculate the Cycle and Production Rate for Single-Machine Robotic Cell Determine the cycle and production rate for a single-machine robotic cell for an 8-hr shift if the syst

Quenching and tempering, Quenching and Tempering Cast iron pearlite st...

Quenching and Tempering Cast iron pearlite structure might be heated to lower critical temperature and after that quenched to effect extremely rapid cooling. This treatment re

APPLICATION OF TURBULENT FLOW IN ENGINEERING, HOW TO GO ABOUT WRITING A TE...

HOW TO GO ABOUT WRITING A TERM PAPER TITLED: APPLICATION OF TURBULENT FLOW IN MECHANICAL ENGINEERING.

Selection of metallic materials, Q. Selection of metallic materials? Th...

Q. Selection of metallic materials? This Engineering Practice has been written to assist those involved in the construction of new equipment and for the maintenance of existing

Find the twist of a circular hollow shaft, Find the twist of a circular hol...

Find the twist of a circular hollow shaft: Discover the twist per metre length of a circular hollow shaft having 120 mm outer diameter and 90 mm inner diameter, respectively,

Coil-fundamentals of electricity , Coil: A coil is used in ignition s...

Coil: A coil is used in ignition system to increase the voltage supplied by the battery or magneto. Coil

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd