Answer:
a) 1.248 rad/s
b) 13.728 m/s
c) 0.52 rad/s^2
d) 17.132m/s^2
Explanation:
You have that the angles described by a astronaut is given by:
(a) To find the angular velocity of the astronaut you use the derivative og the angle respect to time:
![\omega=\frac{d\theta}{dt}=\frac{d}{dt}[0.260t^2]=0.52t](https://tex.z-dn.net/?f=%5Comega%3D%5Cfrac%7Bd%5Ctheta%7D%7Bdt%7D%3D%5Cfrac%7Bd%7D%7Bdt%7D%5B0.260t%5E2%5D%3D0.52t)
Then, you evaluate for t=2.40 s:
(b) The linear velocity is calculated by using the following formula:
r: radius if the trajectory of the astronaut = 11.0m
You replace r and w and obtain:
(c) The tangential acceleration is:
(d) The radial acceleration is:
Answer:
The answer is option D.
Explanation:
An EMF device is a device that produces an electromagnetic field and the components that it has also have their own internal resistance.
This is the case in a real life EMF device but for an ideal EMF device, the internal resistance is equal to zero so there is no voltage drop because of that.
The answer is option D.
I hope this answer helps.
Answer:
Loudness
Explanation:
In acoustics, loudness is the subjective perception of sound pressure.
Explanation:
Here are some of the ways that energy can change (transform) from one type to another:
The Sun transforms nuclear energy into heat and light energy.
Our bodies convert chemical energy in our food into mechanical energy for us to move.
An electric fan transforms electrical energy into kinetic energy.
