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Describe the main forms of river erosion.

Erosion is the wearing away of the bank of the river as well as the bedload it transports. There are four main forms of river erosion. Firstly, Hydraulic action is where the force of the water acts to break ...
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Answered by Lizzie F. • Geography tutor
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Describe the motion of a moving object with a given Displacement-Time graph. For each section on the graph, indicate the direction of motion and identify if the object is accelerating or not. What would the object's Velocity-Time graph look like?

Section 1: The object is moving away from its origin with a constant speed . There is no acceleration as demonstrated by the linear increase in displacement. Section 2: The object is stationary . Section 3: ...
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Answered by Tomek E. • Physics tutor
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How does a reflex arc work?

the relfex action consists of receptor and neurons communicating together. the brain is not involved the processing of this action. The basic pathway that the reflex arc follows is: stimulus (touching someth...
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Answered by Niranjani G. • Biology tutor
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You have a cubiod of dimension 2.2m by 1.8m by 2.0m, you have a pole of length 3m. Will the pole fit into the cuboid?

The longest straight line within the cuboid is the diagonal from a corner to the corner diagonally from it (show diagram), call this D. So to find out whether the pole will fit, find this length, if it is lo...
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Answered by Grace J. • Maths tutor
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You are given that f(x) = cx + d and that f(0) = -6 and f(2) = 10. Find the values of c and d.

f(x) = cx + d f(0) = c 0 + d = d = -6 => d = -6 f(2) = c 2 + d = c 2 + -6 = 10 => c 2 - 6 = 10 => c = (10 + 6) / 2 => c = 8
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Answered by Grace J. • Maths tutor
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