a particle moves along a straight line with equation of motion s=f(t), where s is measured in meters and t in seconds find velocity and speed when t=5
f(t)= 50+50t-4.2t^2
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Answer:
v=u+at
where 'u'is the initial velocity,v is the final velocity and 't' is the time taken and 'a' is gravity
the particle start moving along a straight line so initial velocity will be zero[0]
v=0+10x5
v=50m/s^-1
s=ut+1/2at^2
s=0x5+1/2x10x5^2
s=125m
Step-by-step explanation:
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