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calculate the volume and surface area of a beach ball with a 30cm diameter.

surface area 1.13m^2volume 0.11 m^3

OM
Answered by Olivia M. Maths tutor
2256 Views

Why do people not fall from the earth?

The earth is a big cube that rotates. It spins at 1.000miles per hour which is around ten times as fast as a speed car. Still we fall not of because the earth is like a magnet for human.It has a south an...

MF
Answered by Milena F. Physics tutor
1820 Views

Explain the difference between a public and private limited company

A public limited company (plc) can sell its own shares onto the stock exchange and requires a minimum of 2 people and they also have unlimited liability in terms of their personal assets and capital. On t...

LC
2907 Views

How would I answer 'Discuss how far sociologists agree that labeling is the main reason for differences in students educational achievement.'?

Labeling - Rosenthal and Jacobson; Self -fulfilling prophecy BUT Marxists would say ...
Labeling - Rist - Tigers & Clowns BUT Feminists would say ...
Labeling - BUT The new right would say ....

RA
Answered by Rhianna A. Sociology tutor
2652 Views

A student studied how a few parameters of the electromagnetic radiation affects the I-V(current-voltage) curve of photoelectricity. By increasing one parameter he saw that the saturation current has risen. Which parameter it was?

The saturation in the I-V curve is reached when the maximum number of photo-electrons generated by the light reach the electrode and we know that photocurrent is described by I=N*e/t, where N is the numbe...

LS
Answered by Lukas S. Physics tutor
1722 Views

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