How to obtain a proper following distance? when the back bumper of the vehicle ahead passes a fixed object a sign, shadow, pole or tire mark) start counting (1001 & 1002). when your front bumper reaches that spot, stop counting.

Athermometer is removed from a room where the temperature is 70° f and is taken outside, where the air temperature is 10° f. after one-half minute the thermometer reads 60° f. what is the reading of the thermometer at t = 1 min? (round your answer to two decimal places.) ° f how long will it take for the thermometer to reach 30° f? (round your answer to two decimal places.)

Given the position vector of the particle r(t)=(t+1)i+(t^2−1)j+2t k, find the particle's velocity and acceleration vectors at t=1

Aria drove to the store, did some shopping, and then came home. during maria's trip, when was her displacement equal to zero?