Given: m = 2kg, v=6m/s, t= 10s Coefficient of friction = a/g a= (v-u)/t = (6_0)/10= 0.6ms^-2 g=9.8 m...

Even though it is not mentioned that the initial velocity u = 0, the electron is at rest before the ...

Since the horizontal component of velocity remains always a constant, only the vertical component of...

Let us solve the given equations x+2y =-1 and -x+y=7 We get x =-5 and y =2 Since the line parallel t...

Let us solve the given equations, x+2y=1 and 2x-y=-3 On solving we get, x =-1 and y =1 Since the lin...

The side of the square is l and the height of the triangle is h Let m1 be the mass of the square and...

given lenght of the rod l = piR/3 i.e; 2pir = pi R /3 therefore r = R/6, This imples the arc is o...

Given m1 = 2kg and m2 = 3kg and the angle of inclination is 30deg. Hence m1a = T-m1gsintheta-----(1...

Yes. The body will remain in equilibrium because the centre of mass will still lie on the height h o...

Average power = force x average velocity displacement = 5i +4j - [-3i) - 2j] = 8i+6j average veloc...

When a circuit is broken, a high voltage is induced which may cause sparking. to avoid sparking we...

The body falling from a height h reaches the ground with a speed $v = \sqrt{2gh}$ coefficient of re...

Let AD be the median and AP be perpendicular to BC By Pythagoras theorem AB^2= AP^2+BP^2 AC^2 = A...

(P-Q)/(P+Q). Let us take an example. Suppose There are 3 votes for candidate A and 1 vote for candi...

$\frac{dx}{dt} = 1.1m/s$ $\frac{6}{1.6} =\frac{x + y}{y}$, hence $6y = 1.6x+1.6y$ $4.4y = 1.6x$ O...

Equation of a parabola is $y^2 = 4ax$ on differentiating w.r.t x  we get, $2y\frac{dy}{dx} =...

Let the height of the cylinder be x, and height of the cone be h  Therefore $VO' = xcot30°

At low pressure there is enough space between the atoms. So the ions could accelerate at high speed....

d= 2. Since angle of incidence is same for both the rays, the angle of refraction is also the same. ...

The main function of roasting is to convert the o'er into its metal oxide,

Fractional distillation of coal tar yields: Benzene, toulene,xylene,naphthalene,anthracene,phenanth...

The point of intersection for the circle and parabola can be obtained by solving the equations for x...

F=k(M+m)/(sinx-kcosx) If tanx <k then (sinx-kcosx)<0 Therefore F is negative. So for angles l...

Let us consider the particle to move along the y axis under the action of force which produces a con...

F= (k1-k2)m1m2gcosx/m1+m2

The elevator is moving vertically downwards with a uniform acceleration a. In this case since the we...

V=√v^2+g^2t^2-2vgtsinx Given v=10m/s x=45° t=2sec Substituting the values √100+(9.8)^2x2^2-2x10x9.8x

Given dydx=y+2x On rearranging this we get, dy/dx -y=2x Clearly this a linear differential e...

It is given that the slope is $1+ \dfrac{y}{x}$ i.e $\dfrac{dy}{dx}= 1+ \dfrac{y}{x}$ rearranging ...

$\frac{dy}{dx} +\frac{y}{x} = \frac{y^2}{x^2}$ dy/dx=y^2/x^2 - y/x = (y^2-yx)/x^2 This is a homog...

The given equation of the parabola is $(x-h)^2=4py$. Since it has two constants we will have to diff...