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Ugo [173]
3 years ago
5

If earth had no atmosphere would a falling object ever reach terminal velocity

Physics
1 answer:
Bond [772]3 years ago
6 0
Terminal velocity is caused by friction between an object and the atmosphere, causing it to only go so fast.  If there is no atmosphere, there is no friction between the object, so it will accelerate forever.
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Determine whether the interference is constructive or destructive at each location indicated.
OlgaM077 [116]

Answer:

A. Constructive

B. Destructive

C. Destructive

D. Constructive

Explanation:

Constructive interference takes place at locations along the path of two superposed waves where the waves are in phase such that a high or low point of one of the waves corresponds with a high or low point of the other wave which gives a resulting wave amplitude which is the sum of the amplitudes of the individual waves

Destructive interference takes place at locations along the path of two superposed waves where one wave is out of phase with the other wave such that a high or low point of one of the waves coincides with a low or high point of the other wave respectively thereby cancelling the effect of the other wave and giving a resulting wave that has an amplitude which is the difference in the amplitudes of the individual waves

Therefore;

At point A, the peak of each wave partially coincides resulting in constructive interference

At point B, the peak of the blue wave and the trough of the red wave partially coincides resulting in destructive interference

At point C, the through of the blue wave and the peak of the back wave partially coincides resulting in destructive interference

At point D, the trough of each wave partially coincides resulting in constructive interference.

6 0
2 years ago
1) A net force of 75.5 N is applied horizontally to slide a 225 kg crate across the floor.
dimulka [17.4K]

Answer:

The acceleration of the crate is 0.3356\,\frac{m}{s^2}

Explanation:

Recall the formula that relates force,mass and acceleration from newton's second law;

F=m\,a

Then in our case, we know the force applied and we know the mass of the crate, so we can solve for the acceleration as shown below:

F=m\,a\\75.5\,N=225\,\,kg\,\,a\\a=\frac{75.5}{225} \,\frac{m}{s^2} \\a=0.3356\,\,\frac{m}{s^2}

7 0
3 years ago
A net force of 100 N is moving a mass with an acceleration of 5 m/s2. What is the mass of the object?
olya-2409 [2.1K]
Fnet=ma so m = fnet/a   100/5=20 the mass is 20
7 0
3 years ago
As light from air to water to glass, it will refract. The best explanation for this would be
diamong [38]
It d I took the test

6 0
3 years ago
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As an object moves along the x axis, many measurements are made of its position, enough to generate a smooth, accurate graph of
Bas_tet [7]
The best and most correct answers among the choices provided by your question are he second and third choices. 
<span>The velocity at any instant the average velocity during some time interval cannot be obtained from the graph alone.</span>


I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!
6 0
3 years ago
Read 2 more answers
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