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Describe the forces acting on a skydiver over time, from the moment she jumps out of the plane until hitting the ground and the effect this has on her velocity. What happens when she opens her parachute?

When the skydiver first steps out of the plane, she accelerates downwards at a high rate. At first the resultant force on her is large since gravity pulls her down, but since she is moving slowly the force f...
SP
Answered by Siobhan P. • Physics tutor
25172 Views

Describe what is meant by a stakeholder and the two types?

A stakeholder is an individual/group of people who are directly interested within a business. One type of stakeholder is an internal stakeholder. These are individuals/group within the business such as emplo...
JD
2016 Views

The first four terms in a sequence are: -1, -4, -7, -10. Write an expression for the nth term of the sequence.

Answer: -3n + 2 Explanation: 'n' stands for term number. The 'nth' term is a formula with 'n' in it which enables you to find any term of a sequence. This sequence of numbers changes by the same amount each ...
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Answered by Rebecca L. • Maths tutor
7981 Views

How does the reactivity of Group 1 Metals with water change down the group?

This is due to the shielding effect. When a group 1 metal reacts with water the reaction proceeds through the formation of an ionic species MOH where M is any group 1 metal. Since the species formed is ionic...
JG
Answered by Joseph G. • Chemistry tutor
4684 Views

Students placed some grass cuttings in a vacuum flask and attached a carbon dioxide sensor. Why would the carbon dioxide levels increase over a period of 20 days?

The decomposing microorganisms that contribute to the decay of the grass must respire and respiration leads to the production and release of carbon dioxide.
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Answered by Georgia B. • Biology tutor
5909 Views