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Rajan
Questions and answers by
Rajan
Questions (31)
A stone is thrown vertically upward from the top of a 30m high building with a velocity of 15m/s. Taking the acceleration of
2 answers
773 views
A ball of mass 8 kg is thrown vertically upward from the ground , with an initially velocity of 25 m/s. Determine the maximum
5 answers
472 views
A flywheel has an angular speed of 1200 rev/min when its motor is turned off. The wheel attains constant decelerations of 1.5
2 answers
536 views
Two moving balls collide together. Determine the magnitude of their common final velocity. The first ball of mass o.5 kg and a
2 answers
659 views
True or false (Each question carries 1 marks)
(i) A rigid body is an idealization of the behavior of a body. (ii) A
1 answer
419 views
State the principle of impulse and momentum. And clearly difference between impulse and impact
2 answers
913 views
A stone is thrown vertically upward from the top of a 30m high building with a velocity of 15m/s. Taking the acceleration of
3 answers
820 views
Capitalism believe in___________from the government
3 answers
358 views
___________is the scientific study of human society and social interaction
3 answers
700 views
The art of getting work done from the people for the predefined goal is called
a)Management b)Administration c)Both a & b d)None
1 answer
752 views
Gravin communication system is followed in _____________
a) Formal Organisation b)Informal Orgamosation c)Both a & b d)None of
1 answer
395 views
The concept of appropriate technology appeared first in mind____________
Don't have any option. please help someone to get the
1 answer
361 views
Making best use of the sources available is known as____________
(Don't have any optional answers.pls help someone to get the
3 answers
383 views
The power developed by force is ________ and that of couple is _______
1 answer
337 views
The conditions of non slipping is _________
1 answer
230 views
The direction of coriolis aceeleration is a common example of _______
1 answer
344 views
Multiple choice question
The coefficient if restitution is defined on basis of ________ a)Velocity compound along the line of
4 answers
952 views
For a perfectly plastic central impact ______
Multiple choice question a)The entire kinematic energy of two bodies must be lost
4 answers
2,313 views
Which one of the following statement is correct
Multiple choice question a)Energy and work are scalars b)Force and work are
1 answer
513 views
Constant of area velocity for a central force motion of a particle does not imply that_________
a)Equal areas were are swept by
1 answer
402 views
The coefficients of friction depends up on ________
a)Nature of the surface b)Shape of the surface c)Area of the contact surface
3 answers
464 views
Give an example of a physical system whose transfer function model has a pole in the right.
1 answer
408 views
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
3 answers
944 views
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
1 answer
861 views
When an otherwise eligible inmate in good standing is assigned to an employment or treatment program officer than that of his or
3 answers
580 views
A shop keeper gives an offer 'buy one get one free'on the suits marked at Rs.630 each and still makes a profit if 20%. Find the
2 answers
543 views
Rajat types 3200 words in 1 hour how many words will he type in 15 minutes?
3 answers
620 views
what is meant by efficiency of a machine is 60%?
1 answer
348 views
Two charges -1 microcoulumb and 2 microcoulumb are placed at the corner A and B of an equilateral triangle ABC of side 2m.
2 answers
585 views
A(x)= |4-3x|
A'(x)={ ,if x<4/3 ,if x>4/3 I have to try to find the derivative of this function using a piecewise function and I'm
3 answers
327 views
f''(x)= 4e^x-9sin(x) f(0)=3 f(pi/2)=0
I am to find f(x); but I am confused about how to do that. Could I please get some help? I
5 answers
3,029 views
Answers (10)
Ah, thank you! My apologies for not showing my work; I got f(x)= 4e^x+9sinx+cx but forgot that it would be cx+c2 so I was just confused on how to solve it with the two f(x) values given. Thanks again!
Nevermind, I just figured out how to do it! My apologies!!
Yes right
Please help. its very urgentW
Please help. its very urgentW
Please help. its very urgentW
Please help me to elaborate the answer as i tried but couldn't
Please help me to elaborate the answer as i tried but couldn't
Please help me to elaborate the answer as i tried but couldn't
KE=PE+W(fr) m•v²/2 =m•g•h+F(fr) •s, F(fr) =m(v²/2•s – g/ siná)
