Top answers

Explain the formation of a waterfall.

The formation of a waterfall occurs due to a difference in bands of soft and hard rock. The hard rock, e.g. granite, is eroded at a far slower speed than that of the soft rock, e.g. sandstone. This process i...
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Answered by Henry M. • Geography tutor
3892 Views

Whats the derivative of sin(3x)?

3*cos(3x)
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What are Newton's 3 laws of motion?

First law: Unless acted upon by a force, a object either remains at rest or moves at a constant speed.Second Law: Force=Mass*AccelerationThird Law: For every action there is an equal and opposite reaction
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Answered by Tomas A. • Physics tutor
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How do I solve a simultaneous equation in two variables when they have with different coefficients?

First have a look at the coefficients of each variable. You're trying to spot if the coefficient of one variable is a multiple of the coefficient of the other in the second equation. If so, you can multiply ...
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Answered by Ryan W. • Maths tutor
4052 Views

Explain the effect of the imposition of a unit tax on bananas on market price

Imposition of a unit tax on goods causes supply to decrease. The supply curve moves upwards by the value of the unit tax. This changes its intersection with the demand curve to a higher price and lower quant...
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Answered by Bradley C. • Economics tutor
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