It takes 2.70s for a small ball with a mass of 0.10 kg released from rest from a tall building to reach the ground. Ignoring air resistance, calculate the height from which the ball is released. What formula is used for this?

as technology advances, new experiments often expose problems in accepted theories. c

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-lavira: )

the first american roller coaster was the mauch chunk switchback railway, built in the mountains of pennsylvania in the mid-1800s. the track, originally built to send coal to a railway, was reconfigured as a "scenic tour."

causes

fossil fuels burn

cities become more industrialized

human population grows worldwide