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Explain what the terminal velocity of an object is.

The terminal velocity of an object is the highest velocity it can reach when falling through a defined medium, usually air in practice. This constant velocity is achieved when the net force applied to the ob...
TN
Answered by Thomas N. • Physics tutor
6135 Views

Which tense do use when talking about your childhood?

It depends on what you are describing. If talking about an activity which you undertook regularly and for an unspecified amount of time, you would use the imperfect tense. Eg. "Cuando era pequeña, tocab...
AN
Answered by Ajoa N. • Spanish tutor
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Solve the following set of simultaneous equations: (eq.1) x + 3y = 10, (eq.2) 2x + y = 5

Firstly, multiply eq.1 by 2, to obtain: (eq.3) 2x + 6y = 20Next, subtract eq.2 from eq.3 to obtain: (eq.4) 5y = 15Next, divide eq.4 by 5 to obtain: y = 3Now substitute y = 3 into any of the previous equation...
JD
Answered by Joe D. • Maths tutor
4999 Views

Derive X^2 + 2x

2x + 2
SK
Answered by Sam K. • Maths tutor
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expand and simplify 2(c+5)+5(c-7)

Firstly, it is best to expand the brackets to get:2c+10+5c-35 (be mindful of the signs inside and outside the bracket because you might get a double minus sign that results in a +, however that is not the ca...
MV
Answered by Mansi V. • Maths tutor
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