An asteroid is speeding directly towards a space ship with a velocity of 255 m/s. if the asteroid is detected 8000 meters from the space ship, how long does the crew have to take evasive action before the asteroid hits the ship? a) about 22.6 seconds b) about 31.4 seconds c) about 32.0 seconds d) about 41.5 seconds

Matt is driving down 7th street. he drives 150 meters in 18 seconds. assuming he does not speed up or slow down, what is his speed?

When an object is heated it contracts. a. true b. false

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