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Citrus2011 [14]
3 years ago
11

A simple harmonic oscillator consists of a block of mass 45 g attached to a spring of spring constant 240 N/m, oscillating on a

frictionless surface. If the block is given an initial velocity of 3.5 m/s starting at the equilibrium position, what is the maximum displacement of the block from its equilibrium position
Physics
2 answers:
professor190 [17]3 years ago
8 0

Answer:

x = 4.79 cm

Explanation:

given,

mass of block = 45 g

spring constant = 240 N/m

initial velocity = 3.5 m/s

maximum displacement = ?

using conservation of energy

loss of KE = grain in spring constant

\dfrac{1}{2}mv^2 = \dfrac{1}{2}kx^2

mv^2 =kx^2

x = \sqrt{\dfrac{mv^2}{k}}

x = \sqrt{\dfrac{0.045\times 3.5^2}{240}}

x = √0.00229

x = 0.0479 m

x = 4.79 cm

Brrunno [24]3 years ago
4 0

Answer:

The maximum displacement ,A= 0.047 m

Explanation:

Given that

Mass, m = 45 g= 0.045 kg

spring constant ,K= 240 N/m

Initial velocity at equilibrium ,v= 3.5 m/s

Lets take the maximum displacement is A

As we know that when the mass reached at the extreme position then the velocity of the mass will become zero.

From energy conservation

\dfrac{1}{2}KA^2=\dfrac{1}{2}mv^2

KA^2=mv^2

A=\sqrt{\dfrac{mv^2}{K}}

Now by putting the values

A=\sqrt{\dfrac{0.045\times 3.5^2}{240}}

A=0.047 m

The maximum displacement ,A= 0.047 m

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a boy throw a ball upward from the top of a cliff 73m high.Calculate the time in which ball will fall on the ground and the velo
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t=3.5 secs


Total time: 1.5+3.5=5 seconds

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