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Mariulka [41]
2 years ago
13

Determine the resultant force exerted on an object if these three forces are exerted on it: F1=3.0N upwards,F2=6.0N at 45° to th

e horizontal and F3=5.0 at 120° from the positive x-axis​
Physics
1 answer:
castortr0y [4]2 years ago
3 0

I couldn't upload the complete pic because I'm browsing from phone

pls give me brainliest

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A mass weighing pounds is attached to a spring whose constant is lb/ft. The medium offers a damping force that is numerically eq
andreyandreev [35.5K]

Answer:

hello your question has some missing values attached below is the complete question with the missing values

answer :

a) 0.083 secs

b) 0.33 secs

c)  3e^-4/3

Explanation:

Given that

g = 32 ft/s^2 ,  spring constant ( k ) = 2 Ib/ft

initial displacement = 1 ft above equilibrium

mass = weight / g = 4/32 = 1/8

damping force = instanteous velocity  hence  β = 1

a<u>)Calculate the time at which the mass passes through the equilibrium position.</u>

time mass passes through equilibrium = 1/12 seconds = 0.083

<u>b) Calculate the time at which the mass attains its extreme displacement </u>

time when mass attains extreme displacement = 1/3 seconds = 0.33 secs

<u>c) What is the position of the mass at this instant</u>

position = 3e^-4/3

attached below is the detailed solution to the given problem

6 0
2 years ago
A Sodium ion has a positive charge because it has
kolbaska11 [484]

Answer:

This is because the 11 positive protons and 10 negative electrons end up with an overall charge of +1.

Explanation:

4 0
3 years ago
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Choose all the answers that apply. The sun: -is the largest star in our solar system -is the largest star in our galaxy
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-is made mostly of hydrogen and helium.

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uphill at a rate of 2.5 mi/h from the base of a 6-mi trail. At the same time, Edwin walks downhill at a rate of 3.5 mi/h from th
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<h2>After 1 hour they meet.</h2>

Explanation:

Distance between them = 6 miles

Speed of uphill person = 2.5 miles per hour

Speed of downhill person = 3.5 miles per hour

Relative velocity = 2.5 - ( -3.5 ) = 6 miles per hour

We know

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Time taken = 1 hour

After 1 hour they meet.

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3 years ago
How did Stanley Miller’s experiment in 1953 influence scientific thinking about the origin of life?
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The answer is A. <span>It showed that radiometric dating could be used to accurately determine the age of fossils.</span>
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