Answer:
b) 252 Hz or 260 Hz
c) 0.25 s
Explanation:
b) The frequency of the beats is 4 Hz, and one tuning fork has a frequency of 256 Hz. Therefore, the second tuning fork is either 4 Hz lower or 4 Hz higher.
f = 252 Hz or 260 Hz
c) Period is the inverse of frequency.
T = 1/f
T = 1 / (4 Hz)
T = 0.25 s
Answer:
The capacitance is 11 F for half and fully charged capacitor.
Explanation:
Capacitance of capacitor is given by the expression
Where ε is the vacuum permittivity, A is the area of plates and d is the separation between plates.
So capacitance does not depend upon charge and potential. So capacitance fully and half charged capacitors are same.
Here the capacitance is 11 F for half and fully charged capacitor.
All of those choices could be disadvantages of autonomous vechicles ... if any of them were true. But they're not.
No "driverless car" that does any of those things will be offered for sale or put on a public roadway until it has been modified to eliminate that particular behavior.
Crust
Explanation:
The crust is the layer of the earth with the least dense materials. The crust is made up of silicate materials.
- During the early stage in the formation of earth.
- The earth differentiated minerals based on their densities.
- Lighter minerals stayed afloat while the denser ones sank to the core of the earth.
- The core is made up of the most dense metallic minerals.
- As we go deep into the earth density increases.
- Density of crust ranges from 2.-3.3g/cm³
- The core is about 13.8g/cm³ dense.
Learn more:
Layers of the earth brainly.com/question/13059175
#learnwithBrainly
Answer:
Friction, normal force, and weight
Explanation:
If the book slows down, it means that there must be friction acting in the opposite direction of the direction the book is moving in.
Weight is caused by the gravitational pull of the Earth on the book, and normal force is the table pushing the book up because the book is pushing down on the table (3rd law.)
Note that weight and normal force is not the 3rd law action-reaction pair. The pair is the force of the book on the table and the force of the table on the book.