A constant force of 30 N pulls a 10 kg box to the left.  What is the velocity of the box after 5 seconds if the box was initially at rest.  (Hint – you will need to use Newton’s 2nd law and the basic acceleration equation to solve the problem).  Show me the steps and the answer please

What is the area of the trapezoid shown ?

2people are trying different phones to see which one has the better talk time. chatlong has an average of 18 hours with a standard deviation of 2 hours and talk-a-lot has an average of 20 hours with a standard deviation of 3. the two people who tested their phones both got 20 hours of use on their phones. for the z-scores i got 1 for the chatlong company and 0 for talk-a-lot. what is the percentile for each z-score?

Can someone tell me if this is perpendicular? !