Question

1).If we changed our speed limit signs to metric, whatwouldprobably replace 55mi/h? (Pleas round your answer to thenearest 1km/h? ------km/h

2). A jogger jogs around a circlar track with a diameter of225m in 16 mintutes. What was the jogger's average speed inm/s^2?----- m/s

3). Joe Cool drives to see his girlfriend who attendsanothercollege.

(a) The 142 km trip takes 2.0h. what was the average speedforthe trip? ---km/h

(b) In 4.0 more seconds, the car is going 92ft/s (63mi/h).whatis the car's average acceleration for thistimeperiod?---ft/s^2

(c) The car then slows to 69 ft/s (47 mi/h) in 3.0s. Whatisthe average acceleration for this time period?------ft/s^2

(d) What is the overall average acceleration for thetotaltime? -----ft/s^2

4). A rectangle container measuring 17cm*52cm*66cm isfilledwith water. what is the mass of this volume of water inkilogramsand grams?