Abhishek

This page lists questions and answers that were posted by visitors named Abhishek.

Questions

The following questions were asked by visitors named Abhishek.

Two forces acting on a body in opposite directions,have the resultant velocities of 10newton. if they act at right angles to each other, the resultant is 50 newton.find the two forces.

denominator of a fraction is 1 more than its numerator. the fraction reduces to one fourth when numerator is reduced by 2 and denominator is increased by 3. find the number

a steamer goes downstream in a river and covers the distance between upstream in 6 hours if the speed of the stream is 3 km/hr. firnd the speed of the steamer in still water.

What were the various changes that had taken place in Europe at the beginning of the middle ages ? What were the main characteristics of the middle ages in Europe?

If y=e^x+3logx then prove that dy/dx=x^2(x+3)e^x.

If e^(x+3logx) then prove that dy/dx=x^2(x+3)e^x....can anyone help me out...plz note 3+logx is in adition with x and is the power of 'e' its not e^x+3logx

If y=Root of(logx+root of (logx+root of logx.........infinty)...prove that dy/dx=1/x(2y-1)

A boy is riding a bicycle in a rainy day. The force exerted by the boy and the force due to which rain falls downward.

Plz cud sombdy show me long division method of x^4/(x-1)(x^2+1)???? Plz note (x-1)(x^2+1) is in the denominator.

Two metallic wires of the same material have the same length but cross-sectinal area is in the ratio of 1:2.they are connected in 1)-series 2)-parallel. Compare the drift velocities of the electrons in the two wires in both the cases. Plzz help

what is the power dissipated in an ac circit in which current v=230sin(wt+90) and I=10sin(wt)...plz help me

in a wire AB of uniform cross section in which a potential gradient of 0.1 V/m exist.If the balancing point is foung to be 180 cm from A then what is the Emf of the cell?

X and Y are two capacitors(parallel plate) connected in series to a 12V supply.X has air between the plates and its capacitance is 10microfarads.Y contains a dielectric medium of K=5.calculate capacitance of Y and the potential difference between the plat...

At what temp would an intrensic semiconductor behave like a perfect insulator?Why?

the vertical component of earth magnetic field at a place is root3 times the horizontal component.What is the value of angle of dip at this place?

a beam of light consisting of two wavelengths 800nm and 600 nm is used to obtain the interference pattern in youngs double slit expt on a screen placed 1.4m away.if two slits are separated by 0.28mm,calculate the least distance from the central bright max...

Calculate the work required to be done to stop a car of 1500kg moving with a velocity of 60km/hr?

The sum of odd squares can be expressed as 1^2+3^2+5^2+…+(2n-1)^2=An^3+Bn^2+Cn+D. The value of A can be expressed as a/b, where a and b are positive co-prime integers. What is the value of a+b?

Where is plateau of Arabia located?

Bob has three sacks of apples and three more apples in his pocket. Each sack contains the same number of apples. All together, Bob has 33 apples. How many apples are in each sack?

Who stated the three laws of motion?

What is the difference between solubility and solubility curve?

A number decreased by 30 is the same as 14 decreased by 3 times the number. Find the number. Explain!

Separate 178 into two parts such that the first part is 8 less than twice the second part. Explain!

A man is 42 years old and his son is 12 years old. In how many years will the age of the son be half the age of the man at that time? Explain!

The length of a rectangle is twice it's width. If it's perimeter is 54cm, find its length. Explain!

A man completed a trip of 136 km in 8 hrs. Some part of the trip was covered at 15 km/hr. What is the part of the trip covered at 18 km/hr?

The Gilberts are designing a rectangular patio for their backyard. The patio has an area of 432 square feet. The width of the patio is 3/4 its length . What is the length of the patio ?

An automobile spring extends 0.2 m for 5000 N load.The ratio of potential energy stored in this spring when it has been compressed by 0.2 m to the potential energy stored in 10 microF capacitor at a potential difference of 10000 v Will be 1-1/4 2-1 3-1/2...

ratios of opposite angles of a cyclic quadrilateral is 5:4 find the angle

What is conductor

If a girl bought 2.2 kg apples and 3.6 kg mangoes @ Rs. 11.50 and Rs.67.50 respectively.If she gave a thousand rupee not to the fruit seller then how much money she will get back?

The difference between two acute angles of a right triangle is ðœ‹/9. Show the measures of these angles are 55° and 35°

Robert spent 3/8 of his money on food and 3/10 on his house rent what fraction of income is left with him if the money left is 3570 what is his monthly income

What is the osmotic pressure of blood plasma at 37°c

What are electronic wastes?

4 ADDED TO 5 TIMES A NUMBER EQALS 2 SUBTRACTED FROM 7 TIMES THE NUMBER.FIND THE NUMBER

Add 4 to 5 times a number is fourteen.

2+2=5 how it is possible?

A force of 25 N is needed to move automobile wheels up a smooth incline 10 m along in an automotive plant. a. If each of the wheels weighs 125 N what work is done on each? b. How high above the floor is the top of the incline?

He has a lot of candies! or He have a lot of candies!

Measuring the Height of a Tall Object For this Critical Thinking Assignment, you will be using trigonometry concepts to measure the height of a tall object indirectly. Part I: Complete the following steps: 1. Research methods for measuring the height of a...

Answers

The following answers were posted by visitors named Abhishek.

Valance Electrons?

=Sin(90-71)/cos71 =cos71/cos71 =1

The only thing i have as a doubt is how com e^(lnx^3)=x^3 ?!?!?!?:O

The resultant will be maximun when cosine of the angle b/w them is is 0..ie 1 then R=(5^2+5^2+2*5*5cos(0))^1/2

oye thanku sooo much..nyc:)

P.E=mgh 150×9.8×10 14700 What will be g?

let the capacity of the container be x amount of milk = 4x/5 as per the question 4x/5 + 10 = 9x/10 x/10 = 10 x = 100 so the capacity of the container is 100 L

Debate on girls should learn to do all work and not boys

Mole=6×12.3/123=0.6 Charge= 0.6×96500 As 50% efficiency So, 2×0.6×96500=115800 C

Answer is right

Maths 6 th class

A fresh basket of fruits