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

Fault detection and isolation for lateral flight of an uav, Introduction   ...

Introduction   Fault tolerance is very important for aircraft flight control.  The majority of the faults occur in the sensors and actuators onboard the aircraft.  Once a fault

Determine the eigen values, Determine the eigen values and eigen vectors of...

Determine the eigen values and eigen vectors of the matrix

Find out moment of inertia, Find out Moment of Inertia: Find out Momen...

Find out Moment of Inertia: Find out Moment of Inertia of an I shaped area around its centroidal axis as illustrated in Figure.  Solution  (i)        The area of

What are the types of interface, What are the Types of interface An int...

What are the Types of interface An interface can be regarded as an aggregate of conditions, rules and conventions which describes the information exchange, between two communic

Welding, #what is porosity in welding is this different from pin hole

#what is porosity in welding is this different from pin hole

Determine the minimum acceptable diameter of the shaft, The Shaft is made o...

The Shaft is made of a material with an allowable shear strength of 80 Mpa. a.       Develop the torque diagram b.      Determine the minimum acceptable diameter of the shaft

Find out the quality, Find out the quality: ABC industries manufacture...

Find out the quality: ABC industries manufacture X-band radar scanners utilized to detect speed traps. The printed circuit boards in the scanners are bough from an outside ven

Engine oil level and viscosity, Engine oil level and viscosity : Ensure th...

Engine oil level and viscosity : Ensure that the engine oil level is maintained till the upper mark on the gauge oil level. Check engine oil viscosity. Oil should not be abnormall

Hydrostatic pressure on curved 3-d surfaces, (Hydrostatic pressure on curve...

(Hydrostatic pressure on curved 3-D surfaces) A shark tank in the aquarium has a hemispherical glass viewing "bubble"  jutting into the water from the side wall. The radius of

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