Answer:
The motorbike will become stationary
Explanation:
Force B allows it to go forward and Force A prevents it. If they are equal, net force in either A or B direction becomes zero.
B.) rust forming on an iron fence
Answer:
Explanation:
x = Distance of observer from the initial location of the rocket = 150 m
y = Vertical displacement of the rocket from the ground = 200 m
r = Distance between observer and rocket
= Rate of change in height of rocket = 12 m/s
= Rate of change in x = 0
Distance between observer and rocket at y = 200 m
Differentiating with respect to time
The rate of change of the angle of elevation is .
Answer:
<h3>1.502</h3>
Explanation:
Using the snell's law refraction to solve this problem;
According to the law, the ratio of the sine of incidence to the sine of refraction is a constant for any given pair of medium. Mathematically;
n is the refractive index of benzene
i is the angle of incidence = 43°
r is the angle of refraction = 27°
Get the index of refraction of benzene;
Hence the index of refraction of benzene is 1.502
Explanation:
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