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As a student rubs his feet along the carpet in his living room, he becomes charged. After this he places his hand on a metal radiator and receives an electric shock. Explain what charge the student obtains, why, and why he receives a shock.

As the student rubs his feet on the carpet, negatively charged electrons are transferred from the carpet to his feet. This gives the student AS A WHOLE a net negative charge. The radiator is made from metal....
JM
Answered by Joseph M. • Physics tutor
7988 Views

Draw the graph of, y = x^2 – 2x – 4

1)First, let's create a table of values for x and y. For this example, let's pick values of x ranging from -2 to +4.2) We will then input our values of x into the equation, and get a corresponding value of y...
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Answered by Adam D. • Maths tutor
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Which of the following is the most likely weight of a bag of flour? A 2 g B 2 litres C 2000 kg D 200 mm E 2 kg

The important thing in this sentence is weight. Weight is measured in grams and kilograms. Where 1000 grams is equivalent to 1 kilogram. Therefore we can eliminate B 2 litres , D 200 mm. The other options al...
DH
Answered by Daniel H. • Maths tutor
9584 Views

what are the characteristics of a destructive and a contructive wave?

Destructive waves are characterised by strong backwash and a weaker swash, as well as the waves being steeper and close together. A destructive wave takes sediment away from the beach. On the other hand, con...
IM
Answered by Issy M. • Geography tutor
11777 Views

Tu aimerais avoir des enfants?

THEME 1: IDENTITY AND CULTURETOPIC 1: Me, my family and friends De nos jour devenir un parent n'est plus considéré comme une nécessité. Jadis le gouvernement renforçait que la parentalité était essentielle p...
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Answered by Ramsay V. • French tutor
3336 Views