Answer:
15
Explanation:
displacement = initial position - final position
Neptune would have a slower orbit i just did this
Answer: a. forms where light rays coming from the dog converge.
Explanation:
While photographing through digital camera, the light from the object through the lens converges and falls on image sensor.
The image breaks into many pixels and color and brightness of each pixel is measured and stored in form of number. This forms a digital image.
Thus, the correct option is a because the lens converges the light coming from the object onto the sensor.
Answer:
174m
Explanation:
We can calculate the power of the sound:

For the intensity to be half of I, then the cover area must be

Then the distance from the source center to this point is


