Hi,
the answer should be the last one, ‘neither accurate nor precise’.
The values are quite different from one another and not close to the actual value.
Hope this helps! If my answer was not clear enough or you’d like further explanation please let me know. Also, English is not my first language, so I’m sorry for any mistake.
It keeps the plant upright, and it provides nutrients
Answers for this questions are:
1)
trough - lowest point of the wave.<span>
2) crest - highest point of wave.
3) amplitude - distance from rest position to
the crest or thoughs.
4) wavelenght - distance from two consecutive
crest or troughs.
<span>5) rest position - the flat line running through
middle of the wave.</span></span>
Answer:
Velocity of the block = 7 m/s
Explanation:
Given:
Mass of block m = 1 kg
Acceleration = 9.8 m/s²
Distance = 2.5 m
Find:
Velocity of the block
Computation:
mgh = 1/2 mv²
So
(1)(9.8)(2.5) = 1/2(1)(v)²
Velocity of the block = 7 m/s