A 14.5 kg wheelbarrow starts at the bottom of an incline traveling at a speed of 19.4 m/s. The wheelbarrow then goes up a grassy incline with friction a distance of 6.7m and decreases speed to 9.5 m/s. the height of the incline is 0.8m. what is the magnitude of the frictional force exerted on the wheelbarrow?
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Physics, 21.06.2019 20:00
The sun generates both mechanical and electromagnetic waves. which statement about those wave is true?
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Physics, 22.06.2019 08:30
Abike rider starts from rest and accelerates 28.0 meters down a slope in 5.00 seconds. what is her acceleration? select one: a. 3.21 m/sec2 b. 1.75 m/sec2 c. 9.80 m/sec2 d. 2.24 m/sec2
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Physics, 22.06.2019 11:00
Although longitudinal waves can travel through all media types what is the disadvantage of this type of wave transmission? a) he efficiency of he wave transmission is greatly diminished as the media becomes less dense b) the oscillation of one set of particles has a huge impact on neighboring particles c) particles become too close together as they bump into each other making it more likely to hit other particles down the line
Answers: 2
Physics, 22.06.2019 12:00
In which of the following would the particles move most rapidly? a. ice at -20 °c b. water at 20 °c c. steam at 110 °c d. boiling water e. ice at 0 °c
Answers: 1
A 14.5 kg wheelbarrow starts at the bottom of an incline traveling at a speed of 19.4 m/s. The wheel...
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