e1rymab3yhassicarlot e1rymab3yhassicarlot
  • 26-02-2017
  • Physics
contestada

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

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Vinayak05
Vinayak05 Vinayak05
  • 26-02-2017
As
a=v-u/t
a=500-1000/5
a=-500/5
a=-100ms^-2
Answer Link
Wix Wix
  • 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
Answer Link

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