Answer:D. Watching the left-over dirt from a comet burn up by friction as the pieces hit the Earth's atmosphere
Explanation: A meteor shower is giant rocks moving across the sky
Answer:8.28 km
Explanation:
Given
First it drifts 
2.5 km
Secondly it drifts 
4.70 km
After that it drifted along east direction 5.1 km
After that it drifts 
7.2 km
After that it drifts 
2.8 km
=![\left [ 2.5cos45+4.7cos60+5.1-7.2cos55-2.8cos5\right ]\hat{i}](https://tex.z-dn.net/?f=%5Cleft%20%5B%202.5cos45%2B4.7cos60%2B5.1-7.2cos55-2.8cos5%5Cright%20%5D%5Chat%7Bi%7D)
+![\left [ 2.5sin45-4.7sin60-7.2sin55+2.8sin5\right ]\hat{j}](https://tex.z-dn.net/?f=%5Cleft%20%5B%202.5sin45-4.7sin60-7.2sin55%2B2.8sin5%5Cright%20%5D%5Chat%7Bj%7D)
for direction
south of east
This is an example of inertia - the body keeps it's energy because there is no force applied to it. When we try to stop it's motion, it resists. A man is not rigidly attached to the bus, so he keeps moving forward, at least until he hits the front window from inside. Answer is D.
C. The strong nuclear force is only attractive and acts over shorter distances
