Physics, 13.10.2020 18:01 juanesmania
A cheetah is known to be the fastest mammal on Earth, at least for short runs.
Cheetahs have been observed running a distance of 5.50 10^2 m with an
average speed of 1.00 × 10^2 km/h.
a. How long would it take a cheetah to cover this distance at this speed?
b. Suppose the average speed of the cheetah was just 85.0 km/h. What
distance would the cheetah cover during the same time interval calculated
in (a)?
Answers: 1
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An object is 10. cm from the mirror, its height is 3.0 cm, and the focal length is 2.0 cm. what is the image height? (indicate the object orientation by including the + or - sign with the answer.) hi = cm +1.33 -1.33 +0.75 -0.75
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Unpolarized light of intensity so passes through two sheets of polarizing material whose transmission axes make an angle of 60∘ with each other as shown in the figure. what is the intensity of the transmitted beam, st?
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The position of a crate sliding down a ramp is given by x=(0.05t^3) m, y=(1.7t^2) m, z=(6−0.85t^5/2) m, where t is in seconds. (a) determine the magnitude of the crate's velocity when t = 2 s. (b) determine the magnitude of the crate's acceleration when t = 2 s.
Answers: 2
A cheetah is known to be the fastest mammal on Earth, at least for short runs.
Cheetahs have been o...
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