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If a car drives at 5 ms^-1 for 10 seconds and then 6 ms^-1 for 5 seconds, how far has it travelled in total?

The equation used here is speed = distance / time (s=d/t). Firstly the 30 ms^-1. Rearrange the equation to find distance (st=d). 5ms^-1 x 10s = 50m. The second stint is 6ms^-1 x 5s = 30m. This makes the tota...
MP
Answered by Marcus P. • Physics tutor
3147 Views

Find the equation of the tangent to the curve y = x2 -3x +5 at the point (1,3).

Find the equation of the tangent to the curve y = x 2 -3x +5 at the point (1,3).The tangent is a straight line of the form y = mx+cTo find the gradient, m, we first differentiate the function:dy/dx = 2x -3Th...
TD
Answered by Tilly D. • Maths tutor
7374 Views

Explain the major and minor keys using the circle of fifths.

The circle of fifths is an expression used to describe the relationship between the twelve chromatic notes of the musical scale (A-G with sharps and flats in between). By using the circle of fifths, you can ...
OG
Answered by Orla G. • Music tutor
5818 Views

2x+3x-4=5

3x+3x-4=5,6x-4=5,6x=9,x=9/6,x=3/2
ED
Answered by Ella D. • Maths tutor
3743 Views

What is a product of prime factors?

A product of prime factors is a set of prime numbers that multiply to make the requested number. Essentially, when a question asks you to express a number as a 'product of primes', it wants you to break the ...
DK
Answered by Daniel K. • Maths tutor
5488 Views