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Yuki888 [10]
2 years ago
8

Which form of

Physics
1 answer:
Soloha48 [4]2 years ago
3 0
I think it’s C b/c it works for me
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A. What is the equation describing the motion of a mass on the end of a spring which is stretched 8.8cm from equilibrium and the
Naddik [55]

Answer:

a) x = 8.8 cm * cos (9.52 rad/s * t)

b) x = 8.45 cm

Explanation:

This is a Simple Harmonic Motion, and most Simple Harmonic Motion equations start from the equilibrium point. In this question however, we are starting from the max displacement the equations, and thus, it ought to be different.

From the question, we are given that

A = 8.8 cm = 0.088 m

t = 0.66 s

Now, we need to find the angular speed w, such that

w = 2π/T

w = (2 * 3.142) / 0.66

w = 6.284 / 0.66

w = 9.52 rad/s

The displacement equation of Simple Harmonic Motion is usually given as

x = A*sin(w*t)

But then, the equation starts from the equilibrium point at 0 sec, i.e x = 0 m

When you have to start from the max displacement, then the equation would be

x = A*cos(w*t).

So when t = 0 the cos(0) = 1, and then x = A which is max displacement.

Thus, the equation is

x = 8.8 cm * cos (9.52 rad/s * t)

At t = 1.7 s,

x = 8.8 cos (9.52 * 1.7)

x = 8.8 cos (16.184)

x = -8.45 cm

5 0
3 years ago
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Can someone explain this please?<br> (:
topjm [15]

Answer:

a= kinetic energy vs. different masses at same speed, b= kinetic energy vs. same masses at different speeds

Explanation:

graphs are looking at speed so masses don't matter as much. same speed the whole time will equal same kinetic energy the whole time.

8 0
2 years ago
In an experiment similar to the one pictured below, an electron is projected horizontally at a speed vi into a uniform electric
Vinvika [58]

I think you need Graph to figure it out

6 0
3 years ago
PLEASE HELP! WILL REWARD BRAINLIEST
Doss [256]
The probablity is a 50 percent chance
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Use of force to move an object over a distance
MatroZZZ [7]
Very interesting question. I would be happy to answer if it was actually, indeed, a question
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