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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/he...

Answered by Christopher B. • Physics tutor

1764 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 impor...

Answered by Boyana D. • English Literature tutor

5229 Views

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

3x²y⁵+5x³y⁴y'+3 = 24y²y'

3x²y⁵+3 = (24y²–5x³y⁴)y'

y' = (3x²y⁵

Answered by Nora G. • Maths tutor

1741 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 ban...

Answered by Lance Z. • Accounting tutor

2550 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 roc...

Answered by Emily C. • Geography tutor

2061 Views