I don't personally know the answer, but this article should help!
http://www.nasa.gov/audience/forstudents/5-8/features/nasa-knows/what-is-a-black-hole-58.html
the answer is B) friction and inertia
Answer:
W = 8.01 × 10^(-17) [J]
Explanation:
To solve this problem we need to know the electron is a subatomic particle with a negative elementary electrical charge (-1,602 × 10-19 C), The expression to calculate the work is given by:
W = q*V
where:
q = charge = 1,602 × 10^(-19) [C]
V = voltage = 500 [V]
W = work [J]
W = 1,602 × 10^(-19) * 500
W = 8.01 × 10^(-17) [J]
I think thats a trick question on the periodic table there is no Z, theres Zi which is zinc but no Z
Answer:
Velocity will be 2.886 m/sec
Explanation:
We have given arm length = 0.70 m
And distance from the handle to surface = 15 cm =0.15 m
So total distance r = 0.70+0.15 = 0.85
We know that acceleration is given by 
Here acceleration is acceleration due to gravity so a=g
So 
So velocity will be 2.886 m/sec
