Which is not an example of a force? A) A lion weighs 900 lbs.
B The student had 503 grams of lead.
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Matilda pushed with 56 N.
D Leonard pulled with 678 N.
E A person weighs 220 N.

Let v1, v2, w be three linearly independent vectors in r 3 . that is, they do not all lie on the same plane. for each of the following (infinite) set of vectors, carefully sketch it in r 3 , and determine whether or not it is a vector space (i.e., a subspace of r 3 ). explain your reasoning

Alead ball is dropped into a lake from a diving board 5m above the water . it hits the water with a certain velocity and then sink with constant velocity in bottom . it reaches the bottom 5 second after it is dropped if g= 10m/s2 . find depth of the lake and average velocity of the ball ?

In positive numbers less than 1, the zeros between the decimal point and a non-zero number are blank significant