A0.50-$kg$ block slides along a small track with elevated ends and a flat central part. the flat part has a length l = 1.00 $m$. the curved portions of the track are frictionless, but for the flat part the coefficient of kinetic friction is 0.144. the block is released from rest from a height h = 70 $cm$ on the left curved portion of the track. calculate the maximum height reached by the block on the right curved portion of the track.

8. why do radio telescopes convert radio waves (analog signals) to electrical (digital) signals for analysis? (hint: what did the article say about the advantages of digital signals? )

Determine the maximum r-value of the polar equation r =3+3 cos 0

Thomas his older brothers, who own a junk yard, on the weekends to earn extra money. he likes to them push broken-down cars to the back of the junk yard because it makes him feel strong. last saturday, they pushed three cars with different weights, and he noticed he used different amounts of force for each one. the cars were the following weights: white car: 2,700 kg red car: 1,500 kg blue car: 2,100 kg think about how much force is needed to move each car. which correctly lists the cars in order from the most to least amount of force needed to move them? a) white, blue, red b) blue, red, white c) red, white, blue d) white, red, blue