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Newton's second law: Fnet = m.a. The net force (vector) on an object is directly proportional to the product of its mass (sca...
A scalar quantity is one that has a magnitude (size) only, and no associated direction in which that size 'points'. A good example of a scalar is temperature, because temperature has a size (for example 2...
A common response from the student for the above question is: “I got 20km/h but it says it’s wrong! help i’m really confused”. The following two paragraphs will outline how I might attempt explain this id...
The diagram would have the following:
An arrow pointing upwards labeled v(y)
An arrow pointing to the right labeled v(x)
An arrow pointing in between those lines with a degree between...
ρ = (AR) / l
where:
ρ is the resistivity of the metal wire
A is the cross sectional area of the specimen wire
R is the electrical resistance of a uniform metal wire
l i...
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