Lec 32 | MIT 18.01 Single Variable Calculus, Fall 2007

[RespectedGuy]

dang! i am 13 and this is how school is going to be when i grow up.

[FiLLipiNoSixsIxsiX]

are those sidewalk chalks.....?

[anakmudajaman]

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[AntoMelta]

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[willamricard]

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[imegatrone]

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[bundawartini]

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[agapitoflores001]

Videos like this one is worth watching.

[thebigfootme]

very educational..thanks!

[r3vmixman]

Also at about 21:00 there is a good question from a student. He is confused on the variables x=x'(t) and y=y'(t), in some calculus books they try to avoid the confusion and represent it as x=f'(t) and y=g'(t).

[r3vmixman]

At 14:10 he makes a minor error, that really doesn't matter since its squared, but he says dy/dt of cos t = sin t when it should be -sin t.

[noodletropic]

This dude is excellent!

[Marcelo217P]

im a high school senior and i've known this =D

[foeshizzill]

area in polar coordinates is not in this lecture its in the next one

[MissPheonix1]

this dude is NOT human :O

[samuel91222]

no quite understand why "a" which is the distance between the curve and the origin, is interpreted as the speed. Also, how to interpret "a" if the origin is not at the centre of the circle.

[ShadiZ11]

@samuel91222 Look up the definition of angular velocity. In circular motion the velocity of the particle is defined as V= W*R, where W is angular velocity and R is the radius. So, in the original case where the angular velocity of particle was 1 (then he talked about the case where W=K), you should get that V=R, which is equivalent to the radius of the circle.

[leoncio91]

lol never seen some1 put a period at the end of their equation (around 7:10)

[ACANOFSODA]

Haha.. I feel that I am the only one that laughs at this man's jokes.