A bus traveling east at a constant speed of 28m/s. A car is 200m behind the bus and begins to accelerate east at 4m/s^2 starting from an initial speed of 13m/s. How long will it take the car to catch up to the bus? How far does the car travel? How far does the bus travel?

Asmall metal bar, whose initial temperature was 10° c, is dropped into a large container of boiling water. how long will it take the bar to reach 70° c if it is known that its temperature increases 2° during the first second? (the boiling temperature for water is 100° c. round your answer to one decimal place.) sec how long will it take the bar to reach 98° c? (round your answer to one decimal place.)

6–43 a food department is kept at 2128c by a refrigerator in an environment at 308c. the total heat gain to the food department is estimated to be 3300 kj/h and the heat rejection in the condenser is 4800 kj/h. determine the power input to the compressor, in kw and the cop of the refrigerator.

Which pair of quantities includes one quantity that increases as the other decreases during simple harmonic motion?