Question #10. A rock is white in color, when viewed in sunlight.. In a windowless room, red light is shined on the rock. What co
lor will it appear to your eyes?
1 answer:
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Answer:
Part a)
Part b)
Part c)
Explanation:
Part a)
As we know that the friction force on two boxes is given as
Now we know by Newton's II law
so we have
Part b)
For block B we know that net force on it will push it forward with same acceleration so we have
Part c)
If Alex push from other side then also the acceleration will be same
So for box B we can say that Net force is given as