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How do you know when to use the imperfect tense and when to use the perfect?

The imperfect tense is used for an action that was ongoing in the past (Je lisais un roman = I was reading a novel). These verbs are often incomplete, hence, imperfect. An example of this is the sentence:Je ...
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Answered by Matthew L. • French tutor
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On a day with no wind, a large object is dropped from a tall building. The object experiences air resistance during its fall to the ground. State and explain, in terms of the forces acting, how the acceleration of the object varies during its fall.

As the object is released two forces act on it.Its weight and and air resistance. At this point its weight is much greater due to the force of gravity on the object so it accelerates downward. As its speed i...
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Is a range of media important in my coursework and exam portfolio?

Students tend to misinterpret the learning outcome of experimentation and usually look at it as just testing out diffrent ideas. This is wroung as experimentation is up to the artist and requires a wide rang...
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Answered by Abdulmuminu Y. • Art tutor
7878 Views

Name two other weather instruments which are kept in a Stevenson Screen and for each one state the weather characteristic it measures.

A barometer can be found in a Stevenson screen. This instrument measures air presure. A maximum and minimum thermometer can also be found in a Stevenson screen.They measure highest and lowest temperatures. A...
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The points P (2,3.6) and Q(2.2,2.4) lie on the curve y=f(x) . Use P and Q to estimate the gradient of the curve at the point where x=2 .

To answer this question you will need to recall the formula for the gradient of a straight line. Cordinates are written in the form (x ​1,x 2 ​) and (y 1, ​y 2 ​). The formula takes into consideratoon the co...
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Answered by Abdulmuminu Y. • Maths tutor
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