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A rocket travels at 500m/s two minutes after its take-off. If it was initially stationary, calculate its acceleration. If the rocket has a mass of 1800kg, what force is required to give it an acceleration of 2m/s^2?

a) Acceleration is the rate of change of velocity of an object In this case, the equation that we will use to calculate it is a = (v - u )/ t where v is the rocket's final speed, u is its initial speed, and ...
DS
Answered by Dhrushee S. • Physics tutor
5598 Views

What does it mean to differentiate a function?

A function represents a quantity. For example the function s = (6t 2 + 4t) m, could represent displacement. The unknown t is inputted to find the displacement an object travels at a certain time. The differe...
NJ
Answered by Neha J. • Maths tutor
6108 Views

What factors cause the aggregate demand curve to shift?

The equation for aggregate demand is defined as C+I+G+(X-M) where C is consumption by households on things such as cars, furniture and petrol, I is investment by firms in new technology, factories and invent...
JH
Answered by Jake H. • Economics tutor
13055 Views

What is Pareto efficiency?

A situation, allocation or outcome is Pareto efficient if no one party can be made better off without another being made worse off. The outcome of a perfectly competitive market is Pareto efficient whereas t...
JH
Answered by Jake H. • Economics tutor
35912 Views

How do you differentiate x^x?

There are two ways we can find the derivative of x^x. It's important to notice that this function is neither a power function of the form x^k nor an exponential function of the form b^x, so we can't use the ...
AK
Answered by Alina K. • Maths tutor
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