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1. Complete the following chart for a pendulum:
Trial
Period
String Length
Mass of Bob
Planet
A
1.5 m
1.5 kg
Earth
B
1.5 m
3.0 kg
Earth
25 s
1.5 m
1.5 kg
D
4.6 s
1.5 kg
Mars

1. Complete the following chart for a pendulum: Trial Period String Length Mass of Bob Planet A 1.5 m 1.5 kg. Earth B 1.5 m 3.0 kg. Earth 25 s

1 answer

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1 vote:

prolly a beacuse the momentuem the car has increases while going down hill...

Explanation:

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."