prove that :cosA-sinA+1/cosA+sinA-1=cosecA+cotA
The price P per unit at which a company can sell all that it produces is given by the, function P(x) = 300 4x. The cost function is c(x) = 500 + 28x where x is the number, of units produced. Find x so that the profit is maximum., Question:, 1) Find the value of x. 2) In...
The bulbs manufactured by a company gave a mean life of 3000 hours with standard deviation of 400 hours. If a bulb is selected at random, what is the probability it will have a mean life less than 2000 hours? Question: 1) Calculate the probability. 2) In what situation does on...
Give an example of a physical system whose transfer function model has a pole in the right.
The coefficients of friction depends up on ________ a)Nature of the surface b)Shape of the surface c)Area of the contact surface d)Weight of the body
Constant of area velocity for a central force motion of a particle does not imply that_________ a)Equal areas were are swept by the radius vector in equal times. b)The tangential velocity varies inversely as the length of the radius vectors c)The angular momentus is conserved ...
Which one of the following statement is correct Multiple choice question a)Energy and work are scalars b)Force and work are vectors c)Energy, momentum and velocity are vectors d)Force, momentus and velocity are scalars
For a perfectly plastic central impact ______ Multiple choice question a)The entire kinematic energy of two bodies must be lost b)The two bodies must be move stuck together only if the impact is direct.
Multiple choice question The coefficient if restitution is defined on basis of ________ a)Velocity compound along the line of impact only b)Velocity compound normal to the line of impact c)Velocity vectors before and after collision d)Energies of bodies before and after the im...
The direction of coriolis aceeleration is a common example of _______