Answer:
18joules
Explanation:
1/2 of 4=2
2 multiply by 9= 18 joules
<h3><u>Answer;</u></h3>
= 75 %
<h3><u>Explanation</u>;</h3>
To measure efficiency of a machine, compare the work output to work input.
Efficiency = Work output/ work output × 100 %
= 300/400 × 100
= 75 %
The answer is 167 pounds.
Minerals are naturally occurring inorganic (they're not formed from amino acids, peptides, or enzymes) chemical compounds.
From the given options, the following describes a step in the formation of the minerals: materials break up due to rise in temperature.
Correct answer: D
A planes wings are slightly tilted catching the air as it passes, keeping it afloat
a parachute has a cupping effect where it can only take so much, so it slows down your descendence
