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A ball is dropped from a height of 20m. How long does it take for the ball to reach ground?

Use SUVAT. Height is 20m, initial speed is 0m/s, acceleration is 10m/s^2, and you need to find time. Therefore use s = ut + 1/2 at^2, and rearrange to get a value for t as t = 2s.
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Answered by Lauren T. • Physics tutor
7942 Views

A fair sided spinner has five equal sections numbered 1 to 5, a fair six sided dice has five red faces and one green face. what is the probability of getting an even number and the colour green

The probability on the spinner for each section is 0.2 or written a 2 in 5 ( 1 divided by 5 as it has equal sections) The probability for landing the green side of the dice is 1 in 6 In order to obtain the c...
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Answered by Elaine C. • Maths tutor
10187 Views

Decline the 5th Declension Noun 'spes'

Singular spes spes spem spei spei spe Plural spes spes spes sperum spebus spebus
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Answered by Will B. • Latin tutor
3672 Views

Solve the following simultaneous equations. 2x + 5y = -4. 7x + y = 19

Simultaneous equations have 2 or more unknowns . This simultaneous equation has 2 unknowns, and 2 equations. This simultaneous equation can be solved using elimination or substitution. Substitution involves ...
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Answered by Aisling L. • Maths tutor
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Which of the fractions 6/12, 9/8, 2/3 is equivalent to 12/18?

You want to look for 12/18 in its minimal form, meaning that you cannot divide the numerator and denominator by the same number, unless that number is 1. So try to work out what the numbers are that divide b...
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Answered by Emily S. • Maths tutor
3589 Views