Answer:
The asteroid's acceleration at this point is
Explanation:
The equation that governs the trajectory of asteroid is given by :
The velocity of asteroid is given by :
At some point during the trip across the screen, the asteroid is at rest. It means, v = 0
So,
Acceleration,
Put t = 0.971 s
So, the asteroid's acceleration at this point is and it is decelerating.
Answer:
c
Explanation:
Hello!
To solve this problem we need to know the velocity and position of the train as a fucntion of time and acceleration. Since the train started from rest, these are the formulas:
v = at
x = (1/2)a*t^2
From the first equation we can know the time as a division between the velocity and the acceleration:
t = (v/a)
Replacing this value in the second equation we get:
x = (1/2)*a*(v/a)^2 = v^2/(2*a)
Solving for a:
a = (1/2)*(v^2/x)
Now, we know that when x=5.6km =5600 m, the velocity of the train is v =42 m/s
Therefore:
a = (1/2)*(42^2/5600) m/s^2 = 0.1575 m/s^2
So, the answer is c, the acceleration of the train during the first 5.6 km is colse to 0.16m/S^2
Static current is an imbalance of electric charges within or on the surface of a material,however electric current is electric charge on motion.
To solve this exercise, it is necessary to apply the concepts on the principle of superposition, specifically on constructive interference,
Constructive interference (light spot) is defined by
Where,
m = The integer m is called the interference order and is the number of wavelengths by which the two paths differ.
d = Distance
For smaller angles ,
From the trigonometric properties it is understood that so the is - in this case - the length measured vertically by reason of distance, that is
Re-arrange to find y,
Replacing our values
PART B) To calculate the intensity it is necessary to find the angle between the previously calculated height and distance in order to calculate the phase angle, in other words,
Therefore phase angle is
The intensity formula would then be given by,