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It takes 1.8s to drop a ball of a bridge. How high is the bridge and what speed is reached?

t= 1.8s a=-9.81ms - 2 v=u+at v= -9.81 x 1.8 =17.658 m/s s= ut + 1/2 at 2 (as u is 0 s= 1/2 at 2 ) s = 1/2 x 9.81 x 1.8 2 = 15.9m
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Answered by Gabriella L. • Physics tutor
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The figure shows a sketch map showing part of a coastline where deposition is the main coastal process. Suggest how the coastline shown may change in the future.

The beach in figure 1, in the future, is likely to extend in a eastward direction extending off of the headland. I know this because the prevailing wind direction is in a south westerly direction which cause...
RH
Answered by Rosie H. • Geography tutor
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Solve this pair of simultaneous equations: 3x + 2y = 4 and 2x + y = 3

2x + y = 3 therefore y = 3 - 2x Substitute y = 3 - 2x in to the first equation: 3x + 2(3 - 2x) = 4 3x + 6 - 4x = 4 -x = -2 therefore x = 2 Substitute x = 2 in to either equation: 2(2) + y = 3 4 + y = 3 y = -1
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Answered by Tim C. • Maths tutor
6885 Views

Solve x² - 3x - 2 = 0

To complete the square for the equation ax² + bx + c = 0 there are three steps.. 1. In order to complete the square, we need to take the first two parts of the quadtratic equation, and put them in the form o...
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Answered by Natalia M. • Maths tutor
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Discuss the theme of 'anguish' in James Fenton's poem, 'In Paris With You'

In James Fenton's poem, the speaker expresses anguish at the romantic situation between himself and his lover through his use of coined terms. The speaker suggets his frustration at the unreciprocated love b...
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Answered by Charlotte G. • English tutor
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