Physics, 20.07.2019 11:30 tiffanibell71
Why does a car slide when it rolls over an icy patch on a road? a. cars have more momentum on icy surfaces. b. there is less friction between the cars tires and the ice than between the car tires and the road. c. there is more friction between the cars tires and the ice than between the car tires and the road. d. cars have less momentum on icy surfaces.
Answers: 2
Physics, 21.06.2019 13:50
What challenges did you encounter during the circuit training program?
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Physics, 21.06.2019 14:00
Two red blood cells each have a mass of 9.0 multiply.gif 10-14 kg and carry a negative charge spread uniformly over their surfaces. the repulsion arising from the excess charge prevents the cells from clumping together. one cell carries −2.50 pc of charge and the other −3.10 pc, and each cell can be modeled as a sphere 7.5 μm in diameter. (a) what speed would they need when very far away from each other to get close enough to just touch? assume that there is no viscous drag from any of the surrounding liquid. answer is: 321 m/s how do i find this (b) what is the maximum acceleration of the cells in part (a)? answer is: 1.38e+10 m/s2 how did they find this answer
Answers: 2
Physics, 21.06.2019 18:10
Awheelhas a radius of 4.8 m. howfar (path length) does a point on the circumference travel if thewheel is rotated through angles of 30°, 30 rad, and 30 rev,respectively?
Answers: 3
Why does a car slide when it rolls over an icy patch on a road? a. cars have more momentum on icy s...
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