helplessstudent3
19.02.2021 •
Physics
Can someone pls help me!
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Ответ:
hahaha ya no me acuerdo i de niño y y
Ответ:
20 cm and 180° of angular displacement
Explanation:
In this case, the displacement of a tip in an one hand clock is always twice the length of the hand, therefore:
D = 2 * L
D = 2 * 10
D = 20 cm
Now, we should note that from 12:15 am to 12;45 pm, the clock covers around 12.5 revolutions, and from here can calculate the angular distance:
AD = 12.5 * 360° = 4500°
And the angular displacement (A data you need to complement the displacement of the tip), is half a revolution so, if a revolution covers 360 ° then:
α = 1/2 * 360 = 180°
Hope this helps