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

Define the side rake angle, Define the Side Rake Angle? It measured the...

Define the Side Rake Angle? It measured the slope of top surface of the tool to the side in the direction perpendicular to longitudinal axis it also guides the direction of chi

What is the basic working of cooling tower, Q. What is the basic working of...

Q. What is the basic working of Cooling Tower? Cooling towers are generally located downwind from process units to adequately disperse vapors (from exchanger leaks) and minimiz

Hardness of water, hardness of bore well water is less than sea water .ju...

hardness of bore well water is less than sea water .justify

Mechatronics, what is plc and how does it works

what is plc and how does it works

Tools and equipment , In Tools and equipment we studied about the various t...

In Tools and equipment we studied about the various tools and equipment used in service and repair of a motorcycle and for the troubleshooting. Acquainting with these will help you

How is aluminium conductor steel reinforced used, ACSR (Aluminium Conductor...

ACSR (Aluminium Conductor Steel Reinforced) are used as  (A)  over head transmission lines.  (B)  super conductors. (C)  fuse  (D)  underground cables.

What is pipe rack, Q. What is Pipe Rack? Separation between pipe racks ...

Q. What is Pipe Rack? Separation between pipe racks and process equipment provides access for operations, maintenance and to reduce involvement from adjacent fires. Process equ

Calculate the shear flows at the wall, The tapered, two-cell beam is subjec...

The tapered, two-cell beam is subjected to a pure torque of 50,000 in-lb counter clockwise. The length of the beam (normal to the figure) is 100 in. The flange areas are 1 sq in an

Find the velocity of spacecraft, A space craft ‘A' has velocity 0.9 c relat...

A space craft ‘A' has velocity 0.9 c relative to the earth. Another spacecraft ‘B' overtakes A with relative velocity 0.5 c. Find the velocity of spacecraft B relative to the groun

Illustrate about plant type and process, Q. Illustrate about Plant Type and...

Q. Illustrate about Plant Type and Process? Plant layout is influenced by the type of plant (both the industry and technology utilized) and the kind of process units and associ

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