A 0.50-kg box is attached to an ideal spring of force constant (spring constant) 20 N/m on a horizontal, frictionless floor. The
box oscillates in simple harmonic motion and has a speed of 1.5 m/s at the equilibrium position. (a) What is the amplitude of vibration
1 answer:
Answer:

Explanation:
As we know that for spring block system the angular frequency is given as

now we know that

also we know that

so we have


now we know that speed of an SHM at its equilibrium position is given as

now plug in all values in it


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The answer will be C, a stopwatch :)
Answer:
a. ρ
b. 
Explanation:
a. To find the density of magnetic field given use the gauss law and the equation:
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Ω,
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ρ
ρ
ρ
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b. The electric field can be find using the equation:




Answer:
pretty sure its B if it isnt im so so sorry
Explanation:
Answer:
1.23 m/s
Explanation:
p=mv
57.2 = 46.5v
v= 57.2/46.5
v= 1.23
If you want to verify your answer, just insert the value of v in the equation.
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