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Eddi Din [679]
3 years ago
10

Consider the experiment of Problem 1.27, in which a frictionless puck is sliding straight across a rotating turntable through th

e center 0. (a) Write down the polar coordinates r, > of the puck as functions of time, as measured in the inertial frame S of an observer on the ground. (Assume that the puck was launched along the axis>= 0 at t = 0.) (b) Now write down the polar coordinates r', >'of the puck as measured by an observer (frame S') at rest on the turntable. (Choose these coordinates so that> and>' coincide at t = 0.) Describe and sketch the path seen by this second observer. Is the frame S' inertial

Engineering
1 answer:
Sveta_85 [38]3 years ago
7 0

Complete Question

The complete question is shown on the first uploaded image

Answer:

The solution to this question is on the second uploaded image

Explanation:

The explanation to this solution is on the second uploaded image as well

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A 150-lbm astronaut took his bathroom scale (a spring scale) and a beam scale (compares masses) to the moon where the local grav
kozerog [31]

Answer:

a)Wt =25.68 lbf

b)Wt = 150 lbf

F= 899.59 N

Explanation:

Given that

g = 5.48 ft/s^2.

m= 150 lbm

a)

Weight on the spring scale(Wt) = m g

We know that

1\ lbf=32.17 \ lmb.ft/s^2

Wt = 150 x 5.48/32 lbf

Wt =25.68 lbf

b)

On the beam scale

This is scale which does not affects by gravitational acceleration.So the wight on the beam scale will be 150 lbf.

Wt = 150 lbf

If the plane is moving upward with acceleration 6 g's then the for F

F = m a

We know that

1\ ft/s^2= 0.304\ m/s^2

5.48\ ft/s^2= 1.66\ m/s^2

a=6 g's

a=9.99\ m/s^2

So

F = 90 x 9.99 N

F= 899.59 N

3 0
3 years ago
List three examples of waves that can transfer energy without going through a medium
Finger [1]

Electromagnetic waves can transfer energy without a material medium.

3 examples of elctromagnetic energy include: Radio wave, X-rays and gamma rays

<h3>What is wave?</h3>

A wave is a disturbance that transfers energy from one point to another.

Electromagnetic waves are waves that does not require a material medium for the tranfer of energy

  • Radio wave
  • Gamma rays
  • X-rays
  • Light wave

Read more on Electromagnetic waves here: brainly.com/question/13874687

7 0
3 years ago
____ emotions can influence your driving. A. Only some B. All of your C. Only negative D. Only positive
Zigmanuir [339]
.........................
7 0
3 years ago
Read 2 more answers
A car is stopped at an entrance ramp to a freeway; its driver is preparing to merge. At a certain moment while stopped, this dri
Sophie [7]

Answer:

T = \sqrt{\frac{2X_{0} }{a} }

Explanation:

Given,

Initial Velocity, u=0

As platoon is moving with constant velocity v,

Final Velocity, v=v

The vehicle starts from 0 to v at constant acceleration of a,

Relevent expressions:

v=u+at...........................(1)

v2=u2+2as.....................(2)  

V^{2} = 2aS, as S = X_{0},

V^{2} = 2aX_{0},

From(1)

v=at

Hence

(at)^2=2aX_{0}

T^{2}   =  \frac{2aX_0}{a^{2} }

T = \sqrt{\frac{2X_{0} }{a} }

This is the final expression for time.

4 0
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In 3/4 how many 16ths are there
omeli [17]

Answer:

12/16

Explanation:

8 0
3 years ago
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