Which is a result of using a machine?
O The mechanical advantage makes the work output
O The machine can put out force without having any
O A large force can be exerted through a long distanc
O A large force can be exerted through a short distan

O A large force can be exerted through a short distan

hotter stars = bluer stars

acceleration = (change in speed) / (time for the change)

change in speed = (20-120)= -100 m/s.

1.5 min = 90 sec

acceleration = -100/90 = -1.11 m/s^2.

we don't care about the 150kg or the 2,500 meters. they don't make any difference.

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