To find the average speed you divide the distance by the time. Use the formula v=d/t, v standing for velocity or speed, d standing for distance, and t standing for time. So, 400m/ 32s = 12.5m/s
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12.5 m/s (m per seconds)
The speed after 100 seconds is: speed =1000m/s + 4m/s^2x100s= 1000m/s + 400m/s=1400 m/s.
Average speed = 200 meters per 25 seconds It can also be written as 8 meters per second
-- Your speed after 30 seconds will be 30 meters per second.-- Since your acceleration is constant, your average speed during the 30 secondsis the average of your initial and final speed . . . 15 meters per second.-- The distance you cover is your average speed for 30 seconds = 15 x 30 = 450 meters.
Your average speed = distance/time = 2 metres per second.Your average speed = distance/time = 2 metres per second.Your average speed = distance/time = 2 metres per second.Your average speed = distance/time = 2 metres per second.