At time t=0 a body is thrown vertically upward with initial velocity u and after T time later another body thrown with same initial velocity u . the two body will at what time .please drive formula...

At time t=0 a body is thrown vertically upward with initial velocity u and after T time later another body thrown with same initial velocity u . the two body will at what time .please drive formula...

The value of K for which the 2cos4x - sin4x +k=0 has at least one solution can be?

Incircle of radius 4cm of triangle ABC touches the sides BC at D . if BD=6cm, DC = 8cm then area of triangle is ?

From a point P outside the circle with centre C tangents PA and PB are drawn such that 1/(CA)2 +1/(PA )2= 1/16 then the length of chord AB is?

782 + 341 is divisible by ? Givereason ? A- 10 B- 11 C- 4 D- none of these

If a>1 be a real number . then the number of root of equation a2log2x = 5 + 4xlog2a has

The number N = 6log102 + log1031 lies between two successive integer whose sum is equal to ?

In a soccers the football is kept in center of the field 40 yard from the 10ft hight goalpost. A goal is attempted by kicking the football at a speed of 64ft/s at an angle of 45degree to horizantal...

A police jeep ( vaan ) is chasing a culprit going on a bike . The motor bike crosses a turning at the speed of 72 km/hr .The jeep follow it at a speed of 90km/hr crossing the turning ten second later...

A car travelling at 60km/h overtake another car travelling at 42km/h. Assuming each to be 5m long , find the time taken during the overtake and the total road distance used for overtake?

A driver take 0.2 second to apply the brake after he see the need for it This is called the raction time of the driver . if the driver is driving with a speed of 54km/hr and the brake cause a deceleration...

a= log2412 , b= log4836 , c= log3624 Then how to prove 1+abc = 2bc

F(a) = log(1+a)/(1-a) then f(2a/(1+a2) = ?

Cos(10).cos(20).cos(40)=? Angles are in Degree

sinΘ+sin2Θ=1 then cos2Θ+ cos4Θ=?

(31/2)sinx+cosx

5cosΘ+3cos(Θ+pi/3)+3

12sinΘ-9sin2Θ

If cotAcotBcotC>0 the triangle is ?

If x=ycos(2∏/3)=zcos(4∏/3) , Then xy+yz+zx is equal to ?