The minimum speed he'd need to run off the edge of the cliff to make it safely to the far side of the river?

University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter2: Vectors
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The minimum speed he'd need to run off the edge of the cliff to make it safely to the far side of the river?

Watch Video Solution Problems 3.69 and 3.75
63. In 1780, in what is now
1563
referred to as "Brady's Leap,"
Captain Sam Brady of the U.S.
Continental Army escaped cer-
tain death from his enemies
by running horizontally off the
edge of the cliff above Ohio's
Cuyahoga River, which is con-
FIGURE P3.63
fined at that spot to a gorge. He landed safely on the far side of
the river. It was reported that he leapt 22 ft across while falling
20 ft. Tall tale, or possible?
a. What is the minimum speed with which he'd need to run off the
edge of the cliff to make it safely to the far side of the river?
b. The world-record time for the 100 m dash is approximately
10 s. Given this, is it reasonable to expect Brady to be able to
run fast enough to achieve Brady's leap?
ي
Transcribed Image Text:Watch Video Solution Problems 3.69 and 3.75 63. In 1780, in what is now 1563 referred to as "Brady's Leap," Captain Sam Brady of the U.S. Continental Army escaped cer- tain death from his enemies by running horizontally off the edge of the cliff above Ohio's Cuyahoga River, which is con- FIGURE P3.63 fined at that spot to a gorge. He landed safely on the far side of the river. It was reported that he leapt 22 ft across while falling 20 ft. Tall tale, or possible? a. What is the minimum speed with which he'd need to run off the edge of the cliff to make it safely to the far side of the river? b. The world-record time for the 100 m dash is approximately 10 s. Given this, is it reasonable to expect Brady to be able to run fast enough to achieve Brady's leap? ي
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