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plz 3 ke 3 question's ke answer dena
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refer the attachment
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Convert 36 km/h and 72km/h into m/s u will get 10 m/s for 36km/h and 20m/s for 72 km/h.
initial velocity =10m/s
final velocity= 20m/s
time =10 sec
acceleration = (v-u)÷t
=(20-10)÷10
=1 m/s^2
distance= ut +1/2at^2
=10×10+1/2×1×10×10
=100+ 50
=150m
initial velocity =10m/s
final velocity= 20m/s
time =10 sec
acceleration = (v-u)÷t
=(20-10)÷10
=1 m/s^2
distance= ut +1/2at^2
=10×10+1/2×1×10×10
=100+ 50
=150m
u =0
t = 3sec
s = 1/2at^2 +ut
s = 1/2×4×9 + 0×3 *9 beacuse square of 3 = 9
s = 18 m
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