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RideAnS [48]
3 years ago
14

A spring of negligible mass and force constant k = 430 N/m is hung vertically, and a 0.270 kg pan is suspended from its lower en

d. A butcher drops a 2.1 kg steak onto the pan from a height of 0.40 m. The steak makes a totally inelastic collision with the pan and sets the system into vertical SHM. What are:
a. the speed of the pan and steak immediately after the collision
b. the amplitude of the subsequent motion
c. the period of that motion
Physics
1 answer:
Anastaziya [24]3 years ago
8 0
It’s b because a spring of negligible mass then if u multiply
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Tuning an Instrument. A musician tunes the C-string of her instrumeut to a fundamental frequency of 65.4 Hz. The vibrating porti
mylen [45]

(a) The tension the musician must stretch it is 147.82 N.

(b) The percent increase in tension is needed to increase the frequency is 26%.

<h3>Tension in the string</h3>

v = √T/μ

where;

  • v is speed of the wave
  • T is tension
  • μ is mass per unit length = 0.0144 kg / 0.6 m = 0.024 kg/m

v = Fλ

in fundamental mode, v = F(2L)

v = 2FL

v = 2 x 65.4 x 0.6 = 78.48 m/s

v = √T/μ

v² = T/μ

T = μv²

T = 0.024 x (78.48)²

T = 147.82 N

<h3>When the frequency is 73.4 Hz;</h3>

v = 2FL = 2 x 73.4 x 0.6 = 88.08 m/s

T = μv²

T = (0.02)(88.08)²

T = 186.19 N

<h3>Increase in the tension</h3>

= (186.19 - 147.82)/(147.82)

= 0.26

= 0.26 x 100%

= 26 %

Thus, the tension the musician must stretch it is 147.82 N.

The percent increase in tension is needed to increase the frequency is 26%.

Learn more about tension here: brainly.com/question/24994188

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6 0
1 year ago
A battery does 2.186 J of work to transfer 0.033 C of charge from the negative to the positive terminal. What is the emf of this
sladkih [1.3K]

Answer:

66.24 Volts

Explanation:

W = Amount of work done in moving the charge from negative to positive terminal = 2.186 J

Q = Amount of charge being moved from negative to positive charge = 0.033 C

ΔV = EMF of the battery

Amount of work done in moving the charge from negative to positive terminal is given as

W = Q ΔV

2.186 = (0.033) ΔV

ΔV = 66.24 Volts

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3 years ago
The fastest crossing of the Atlantic Ocean by an ocean
IgorLugansk [536]
That’s insane!!23456
8 0
2 years ago
Compared to the sun, a star whose spectrum peaks in the infrared is:
Vladimir79 [104]
The answer is cooler. Hope this helps.
4 0
3 years ago
(e) For photons of energy 7.10 eV, what stopping potential would be required to arrest the current of photoelectrons
Masja [62]

2.37eV stopping potential would be required to arrest the current of photoelectrons.

<h3 /><h3>What is stopping potential ?</h3>

The minimal negative voltage that must be provided to the anode to halt the photocurrent is known as stopping potential. When expressed in electron volts, the maximal kinetic energy of the electrons is equal to the stopping voltage.

Kmax = eV₀

2.37eV = eV₀

V₀ = 2.37eV

to learn more about stopping potential go to - brainly.com/question/4655588

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8 0
1 year ago
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