I think the answer is b. wavelength (:
Answer:
0.27m
Explanation:
To get the energy
Potential energy= Mgh
M is Mass
G is acceleration due to gravity
H is height..
M= 0.29kg, h= ?
P=0.759. g=9.8m/s
Therefore,
0.759=0.29×9.8×h
H= 0.759÷2.842
H= 0.27m
The following cause that is not
considered in the formation of a Dust Bowl is the lack of farmers in Oklahoma. The
answer is letter B. in fact, the number of farmers increases due to the high
grain prices of Worl War I that encourages farmers to plow millions of acres of
natural grass to plant wheat.