All matter requires its own space. true or false
2 answers:
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(1) The distance traveled by Thomas is 190 m
(2) The displacement of Thomas is 100 m forward
(3) The velocity of Thomas is 0.056 m/s
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(1) Distance is the sum of the total path covered.
first distance to cafe = 100 m
second distance to library = 45 m
third distance back to the cafe = 45 m
The total distance = 100 + 45 + 45 = 190 m
The distance traveled by Thomas is 190 m
(2) Displacement is the change in the position of an object;
Initial displacement forward = (100 + 45) m
Final displacement backward = 45 m
The total displacement = 145 m - 45 m = 100 m forward
The displacement of Thomas is 100 m forward
(3) The velocity of Thomas is calculated as the change in displacement per change in time.
the change in displacement = 100 m
the time of motion, t = 30 mins = 30 x 60 = 1800 s
Learn more here: brainly.com/question/17345815
As we know that collision is elastic so we will have
also we can use momentum conservation
now from above two equations we will have
also we have
so both balls will separate after collision and move in opposite direction as the final velocities are opposite in sign
So correct answer will be
<em>D. The balls separate and move in opposite directions.</em>