A.4 Kg red marble is rolling at 1.78 m/s when it collides with a .3 Kg blue marble that is stationary. The red marble bounces off and is traveling .8 m/s after the collision. What is the post collision speed of the blue marble?

causes

fossil fuels burn

cities become more industrialized

human population grows worldwide

answer///terminator or twilight zone;

the speed of the cart after 3 seconds of low fan speed is ⇒ 54.0 cm/s.

the speed of the cart after 5 seconds of medium fan speed is ⇒ 120.0 cm/s.

the speed of the cart after 2 seconds of high fan speed is ⇒ 64.0 cm/s. 

just did the lab.