What is the deceleration (in m/s2) of a rocket sled if it comes to rest in 1.7 s from a speed of 1020 km/h? (Such deceleration c aused one test subject to black out and have temporary blindness.)
1 answer:
Answer:
40.47m/s²
Explanation:
Acceleration is the change in velocity of a body with respect to time.
Acceleration = change in velocity/time
Given speed = 1020km/hr
Time = 1.7s
Converting 1020km/hr to m/s we have;
(1020×1000/3600)m/s
= 1,020,000/3,600
= 283.3m/s
Acceleration = 283.3/7
Acceleration = 40.47m/s²
Deceleration is therefore 40.47m/s²
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