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lost in life

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How fast is a car moving and in what direction if the frequency of the horn drops from 900 Hz to 875 Hz, as heard by a
1. 2 answers
2. 2,160 views
Two sound waves are traveling through a container of unknown gas. Wave A has a wavelength of 1.2 m. Wave B has a wavelength of
1. 4 answers
2. 8,366 views
Object A experiences a gravitational force due to object B. How would that force change if the separation distance is halved, mA
1. 1 answer
2. 524 views
Tom (65 kg) is standing on a scale in an elevator holding an apple. The elevator begins to accelerate downwards at 2.4 m/s2.(a)
1. 1 answer
2. 620 views
Jason and Kim are attempting to push a heavy fridge across the kitchen floor. When Jason pushes it with a muscular force of 550.
1. 1 answer
2. 585 views

average velocity= delta position/time or displacement/time
It is +3 because of he | | surrounding the 2x-3. the | | mean absolute, anything in between the | | will result in a positive number.
would the answer be approx. 9.4557m/s? cz on the document it says the answer should be 4.68m/s
5k^2(-6k-2k+6) i think you typed this wrong, or maybe one of the options. Expanded it is -30k^3 -10k^3+30k^2 simplified it is -40k^3+30k^2

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