e1rymab3yhassicarlot e1rymab3yhassicarlot

26-02-2017
Physics

Answered

Trajectory has an initial velocity of 1,000 meters per second, and 5 seconds later, it has a velocity of 500 meters per second. which is the acceleration of the trajectory

Verified Answer :

Vinayak05 Vinayak05

26-02-2017

As
a=v-u/t
a=500-1000/5
a=-500/5
a=-100ms^-2

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26-02-2017

Using the formula :

v= u+at

u(initial velocity)=1000
v(final velocity)=500
a(acceleration)=unknown
t(time)= 5

500=1000+a(5)
5a=500-1000
a=-500/5
= -100

Acceleration= -100m s-2

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