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If an object of mass 6kg was dropped from a height 35m (initially at rest), how long would it take to reach the ground under free fall?

Free fall == only gravity actingUse one of the SUVAT equations: s = ut + 0.5at 2 s=35m, u=0 (starts at rest), a=g=9.81ms -2 (gravitational constant), t=?Through rearranging: t=(2s/a) 0.5 = 2.67 seconds
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Answered by Charlotte A. • Physics tutor
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How do we form the preterite tense?

With regular verbs, remove the -ar, -ir or -er ending, and replace it with the following endings: For -ar verbs (using comprar 'to buy' as an example)é - compréaste - comprasteó - compróamos - compramos (the...
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Answered by Tom K. • Spanish tutor
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When should I use the present subjunctive in Spanish?

Whether you use a verb in the subjunctive depends on what the previous verb does to the meaning of the sentence.Verbs in the indicative are used if the sentence describes reality. Verbs in the subjunctive ar...
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Answered by Tom K. • Spanish tutor
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How would I structure an essay that analyses an extract from a studied text?

If the essay has a specific question or if it is just analysis, you need to come up with an argument to structure your response. Read through the extract and make sure you understand what is going on. Note d...
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Explain why potassium is more reactive than sodium, giving the balanced chemical symbol equation for the reaction of potassium and water.

K + H 2 O --> KOH + H 2 Both potassium and sodium possess one electron in their outer shell. Both elements readily give up this unpaired electron and so for this reason are considered very reactive elemen...
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Answered by Liam F. • Chemistry tutor
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