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A projectile is launched with a speed of 10m/s at an angle 30 degrees from the positive x axis. What is the range of the projectile?

8.82 m. The 'range' means the distance along the positive x axis travelled by the projectile during its flight. First calculate the time elapsed over the flight using the SUVAT equation y = usin(θ)t - 0.5gt^...
CW
Answered by Cameron W. • Physics tutor
4394 Views

Integrate (1 - x^2)^(-0.5)dx within the limits 0 and 1

The answer is π/2. The key trick to solving this problem is to change variables by using the substitution x = sin(θ). We then need to change the differential and the limits too.
CW
Answered by Cameron W. • Maths tutor
4378 Views

Discuss how and why vital rates may change over time, you should refer to rates such as birth rate, death rate, infant mortality, fertility rate and life expectancy

Vital rates may change over time for many reasons such as stages of development, conflict, government policies and the general evolvement of people. Throughout this answer I will discuss how and why the rate...
LH
Answered by Lydia H. • Geography tutor
2889 Views

‘Natural Law offers the most reliable response to the issues raised by contraception’ Discuss.

Natural law is a deontological theory that is most commonly associated with St Thomas Aquinas, a theological ethicist and philosopher. The theory derives what is good and evil from the rational nature of hum...
LH
4434 Views

Differentiate y = x^3− 5x^2 + 3x

the rule for differentiating in terms of x is to multiply by the power then decrease the power by one. So going through the equation x^3 will be multiplied by 3 and go to x^2 so will be 3x^2. Then its import...
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Answered by Georgia D. • Maths tutor
7851 Views