Someone pliz help me is due td Describe work input and work output on a paddle board.

Why is actual mechanical advantage never 100%, and what could you do to it to get it closer to 100%?

List the 6 types of simple machines, and give an example for each.

Choose a compound machine, and explain how and why it is a compound machine.

What is the formula for power, and what do the letters stand for?

What is the formula for mechanical advantage, and what do the letters stand for?

Some substances but not other can cross the (blank) membrane of a cell

When does a spring tide occur? question 9 options: they occur when the sun, moon, and earth are aligned. in spite of their name, these tides occur twice a year in the spring and fall. they occur on the date of the vernal equinox each year, no matter what stage the moon is in. this is why they are called spring tides. they occur when the sun, moon, and earth are at 45-degree angles from each other. this happens once every spring. they occur when the sun, moon, and earth are aligned. in spite of their name, these tides occur all year long.

Astudent completed a lab report. which correctly describes the difference between the “question” and “hypothesis” sections of her report? “question” states what she is asking, and “hypothesis” states the result of her experiment. “question” states what she is asking, and “hypothesis” states what she thinks the answer to that question is in “if . . then . . because” format. “question” describes what she is trying to find out, and "hypothesis" states the procedures and methods of data collection. “question” describes what she is trying to find out, and “hypothesis” states any additional information or prior knowledge about the question.