You should check A, and D.
The answer to your question is,
A meteoroid.
-Mabel <3
Answer:
46.45 m/s
Explanation:
Total momentum before jump = Total momentum after jump
11.7 * ( 36.7 + 45.2 ) = ( 36.7 * (-31.1) ) + ( 45.2 * v )
v*45.2 - 1141.37 = 958.23
v = 2099.6/45.2 = 46.45
Explanation:
both are different types of energy. one is elastic p.e while the other one is made by change in sound waves
When an object gains electrons it gains a negative charge.
C. Negative