Question 6
2 pts
A person stands at the top of a tall skyscraper above the street. They throw...
Physics, 22.01.2021 19:00 JKJKJKJKGFGH7470
Question 6
2 pts
A person stands at the top of a tall skyscraper above the street. They throw a penny
downwards with a speed of 1 m/s. It takes 13.9 s to fall to the ground (x = 0 m). Determine
how tall the skyscraper is. HINT: Be careful with positives/negatives!
g = 10 m/s2
Answers: 1
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Aparticle initially moving east with a speed of 20.0 m/s, experiences an acceleration of 3.95 m/s, north for a time of 8.00 s. what was the speed of the particle after this acceleration, in units of m/s? give the answer as a positive number.
Answers: 1
Physics, 22.06.2019 01:50
Arod of some material 0.20 m long elongates 0.20 mm on heating from 21 to 120°c. determine the value of the linear coefficient of thermal expansion [in (degrees c)^-1] for this material.
Answers: 2
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