Physics, 11.12.2019 00:31 fonsworth5
Arock is projected from the edge of the top of a building with an initial velocity of 21.6 m/s at an angle of 37◦ above the horizontal. the rock strikes the ground a horizontal distance of 95 m from the base of the building. the acceleration of gravity is 9.8 m/s 2 . assume: the ground is level and that the side of the building is vertical. neglect air friction. what is the horizontal component of the rock’s velocity when it strikes the ground?
Answers: 3
Physics, 22.06.2019 07:30
Automobile fuel efficiency is often measured in miles that the car can be driven per gallon of fuel (mpg). heavier cars tend to have lower fuel efficiencies (lower mpg ratings). which variable (weight or fuel efficiency) is most naturally considered the explanatory (predictor) variable in this context?
Answers: 3
Physics, 22.06.2019 20:10
On a horizontal frictionless surface, a small block with mass 0.200 kg has a collision with a block of mass 0.400 kg. immediately after the collision, the 0.200 kg block is moving at 12.0 m/s in the direction 30° north of east and the 0.400 kg block is moving at 11.2 m/s in the direction 53.1° south of east. use coordinates where the +x-axis is east and the +y-axis is north.(a) what is the total kinetic energy of the two blocks after the collision (in ) what is the x-component of the total momentum of the two blocks after the collision? (indicate the direction with the sign of your ) what is the y-component of the total momentum of the two blocks after the collision? (indicate the direction with the sign of your answer.)
Answers: 1
Physics, 22.06.2019 21:00
Earth's atmosphere is composed of mostly two gases. name the two gases that make up the majority of the atmosphere and use the pie chart to tell the percentages of each.
Answers: 2
Arock is projected from the edge of the top of a building with an initial velocity of 21.6 m/s at an...
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