Acameraman on a pickup truck is traveling westward at 20 km/h while he videotapes a cheetah that is moving westward 26 km/h faster than the truck. suddenly, the cheetah stops, turns, and then run at 44 km/h eastward, as measured by a suddenly nervous crew member who stands alongside the cheetah's path. the change in the animal's velocity takes 1.9 s. what are the (a) magnitude and (b) direction of the animal’s acceleration according to the cameraman and the (c) magnitude and (d) direction according to the nervous crew member
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Physics, 21.06.2019 16:30
How do hydroponic plants differ from nonhydroponic plants? a.) hydroponic plants can grow in a dryer soil. nonhydroponic plants grow in moist soil. b.) hydroponic plants grow on other plants and are known as air plants. nonhydroponic plants do not grow on other plants. c.) hydroponic plants can only grow in rain forests. nonhydroponic plants cannot grow in rain forests. d.) hydroponic plants are grown without soil. nonhydroponic plants are grown in soil.
Answers: 2
Physics, 22.06.2019 13:50
The magnitude of the poynting vector of a planar electromagnetic wave has an average value of 0.939 w/m^2 . the wave is incident upon a rectangular area, 1.5 m by 2.0 m, at right angles. how much total electromagnetic energy falls on the area during 1.0 minute?
Answers: 2
Physics, 22.06.2019 16:00
The electric potential a distance r from a small charge is proportional to what power of the distance from the charge? a. r^-1 b. r c. r^-2 d. r^2
Answers: 1
Acameraman on a pickup truck is traveling westward at 20 km/h while he videotapes a cheetah that is...
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