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A ball of mass m is thrown from the ground at the speed u=10ms^-1 at an angle of 30 degrees. Find the max height, the total flight time and the max distance it travels?Assume g=10ms^-1 and there is no air friction

First let’s split the problem into 2 parts: Vertical(y direction) and Horizontal(x direction.Vertical: u_y = 10 sin (30) = 5ms^-1
As for the ball to stop at max height and the fall down, all the kine...

MV
Answered by Mihai V. Physics tutor
1845 Views

'The Wall Street crash was the principle reason for Hitler's rise to power.' How far do you agree?

The Wall Street Crash begun in America in October 1929 and marked a period of insecurity and loss. This instability was extended to Germany, as a result of various ties with America, including the Dawes P...

TB
Answered by Talia B. History tutor
13507 Views

Use induction to prove that for all positive integers n, f(n)=2^(3n+1)+3x5^(2n+1) is divisible by 17.

Prove the basis to be true. Let n=1 and this gives f(1)=16+375=391 which is divisible by 17. Now assume that if we let n=k f(k) is divisible by 17. If we now let n=k+1 and prove f(k+1) is divisible by 17 ...

MH
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What are reaction rates and what are the associated factors?

Reaction rate is the speed at which a reaction will occur.Increasing the temperature, pressure and concentration will increase the reaction rate.

MA
Answered by Moneeb A. Chemistry tutor
1920 Views

Differentiate 6x^(7/2)-5x^2+7

42x^(5/2)-10x

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Answered by Adam H. Maths tutor
3474 Views

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