A small rocket to gather weather data is launched straight up. Several seconds into the flight, its velocity is 120 mis and it i
1 answer:
The net force on the rocket is 864 N
Explanation:
The net force acting on the rocket can be calculated by using Newton's second law of motion, which states that:
F = ma
where
F is the net force on an object
m is the mass of the object
a is its acceleration
For the rocket in this problem, at a certain instant we have:
m = 48 kg
Therefore, the force on the rocket is
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Answer:
- path differnce = 2.18*10^-6
- 1538 lines
Explanation:
- The path difference for the waves that produce the pattern of diffraction, is given by the following formula:
(1)
d: separation between slits = 0.50mm = 0.50*10^-3 m
θ: angle of a diffraction = 0.25°
Then, the path difference is:
- The maximum number of bright lines are calculated by using the following formula:
(2)
m: order of the bright
λ: wavelength = 650nm
The maximum bright is calculated for an angle of 90°:
The maxium number of bright lines are twice the previous result, that is, 1538 lines