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A force of 13.8 N was used to lift a mass 30 cm vertically through a liquid. Calculate the work done in lifting the mass, stating the correct units.

Either from memory or using the formula booklet provided we know Work Done = Force x Distance Moved (in the direction of the force). Therefore we can use the values given and this formula to workout our answ...
HG
Answered by Harry G. • Physics tutor
4678 Views

What is the difference between displacement and distance?

Let's suppose tomorrow we want to go to the Moon. There's many different paths that we can choose from to get there: we can depart from Earth, go around the Sun and land on the Moon or we can go all the way ...
EC
Answered by Elvira C. • Physics tutor
3425 Views

What is the potential?

I already answered this question orally during the interview, for some reason it didn't send before.
LC
Answered by Lucia C. • Physics tutor
1655 Views

what is ohm's law?

Ohms law establishes a relationship between resistance, voltage and current, saying that V/I = R.
AM
Answered by Aditya M. • Physics tutor
2944 Views

What is the minimum height of a hill, so a ball of mass m falling from it can go through a loop of radius R?

There is only one requirement for the ball to go through the loop. Its energy must be such that the centrifugal force experienced by the ball when it is at the peak of the loop is greater than gravity pullin...
GP
Answered by Gabriel P. • Physics tutor
3808 Views