An athlete jumps with a speed of 4 m/s at an angle of 23 degrees. How long does the athlete stay in the air?

therefore, the efficiency is:

There is no graph to look at on here, but i shall explain them to you. a line graph is just in its title it’s a graph with a line running through the dots to show an increase or decrease. a bar graph is used to show how much or how little something is so a comparison. a scatter plot is used to graph points to tell the data. and i don’t know what a histogram is.

The sun's gravitational pull is weaker on the planets that are closer to it, i think.

//(b) both involve the use of levers;