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how to find flight time/distance and greatest hight of projectiles?

a is acceleration, v is velocity, s is position vertically: a = - g v = u - gt (by integrating with respect to t and setting initial speed u as constant of integration) s = ut -gt 2 /2 + s 0 (by integrating ...
BJ
Answered by Ben J. Maths tutor
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What's the deal with Integration by Parts?

EXPLANATION: Integration by parts states that ∫uv' dx = uv - ∫u'v dx , where u & v are funcions of x and the notation u' means du/dx. to do integration by parts given an integral ∫f(x) dx, it involves wr...
BJ
Answered by Ben J. Maths tutor
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Sketch the graph y=Ax^2 where A is a constant

If A is negative, then it would be like an upsidedown 'bucket' where the only intersection is in the origin. If A is positive, then it would be similar but flipped on the x-axis. So it would look like a 'buc...
RI
Answered by Rafi I. Maths tutor
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Differentiate expressions of form Ax^b where A and b are constants and x is a variable

First you have Ax^b where x is a variable. Then you multiply A and b together with the variable so you have Abx^b Then you minus 1 from the b which gives you the final answer Abx^(b-1)
RI
Answered by Rafi I. Maths tutor
5267 Views

How and when do you use integration by parts?

Integration by parts is a method of integration used when you are attempting to integrate a function which is the product of two functions. If the two products can be expanded there is usually an easier way ...
AP
Answered by Ashley P. Maths tutor
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