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A skydiver is at a height of 10,000 m. Assuming no air resistance, how fast is the skydiver travelling at 9,990 m above the ground?

The skydiver has potential energy at the top of his/her jump, which is transferred to kinetic energy when he/she jumps. The difference in height between the start of the jump and the point at which his/her v...
CB
2360 Views

How do I go about writing an unseen prose or poetry commentary on Paper 1?

Because it is an unseen commentary Paper 1 seems very daunting but actually the fact that the text is right in front of you to annotate and refer to makes it much easier for some people. What's most importan...
BD
5925 Views

Differentiate implicitly with respect to x the equation x^3*y^5+3x=8y^3+1

3x 2 y 5 +5x 3 y 4 y'+3 = 24y 2 y' 3x 2 y 5 +3 = (24y 2 –5x 3 y 4 )y' y' = (3x 2 y 5 +3) / (24y 2 –5x 3 y 4 )
NG
Answered by Nora G. • Maths tutor
2234 Views

How to tell if the transaction accounts are debit or credit

A common way to answer this question is to think about where the money comes from and where does it go. For example, if the company buys equipment by cheque, then it shows the money comes out from the bank a...
LZ
Answered by Lance Z. • Accounting tutor
3102 Views

Explain the formation of a waterfall

Where water is moving downwards due to the force of gravity this action is faster in the upper course of the river due to steep hills in the uplands where waterfalls are most common. If the underlying rock i...
EC
Answered by Emily C. • Geography tutor
2914 Views