a body with initial velocity 8m/s moves along a straight line with constant acceleration and travels 640m in 40 seconds. find average velocity during this interval and final velocity and acceleration
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average velocity = total displacement/time=640/40=16m/s
avg velocity =u+v/2
8+v/2=16
8+v=32=>v=32-8=24 m/s
acceleration= v-u/t
24-8/40=16/40=0.4m/s²
avg velocity =u+v/2
8+v/2=16
8+v=32=>v=32-8=24 m/s
acceleration= v-u/t
24-8/40=16/40=0.4m/s²
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