Answer:
Newton's second law states that the acceleration of an object is directly related to the net force and inversely related to its mass. Acceleration of an object depends on two things, force and mass.
Explanation:
here this may help.
Answer:
An object slides down an inclined plane at a constant velocity if the net force on the object is zero. We can use this fact to measure the coefficient of kinetic friction between two objects.
Explanation:
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because they are floating on top of the liquid mantle.
Answer:
Choice a. Approximately 
on average.
Explanation:
The electric current through a wire is the rate at which electric charge flows through a cross-section of this wire.
Assume that electric charge of size 
flowed through a wire cross-section over a period of time 
. The average current in that wire would be:
.
For this question:
, whereas
.
Therefore, the average current in this circuit would be:
.
However, the units in the choices are all in 
(for Amperes.) One Ampere is equal to one 
. It will take some unit conversations to change the unit of 
(coulombs-per-minute) to coulombs-per-second.
.
Hence, the most accurate choice here would be choice a.
As in liquids or solids, if so it would be liquids because the particles are freely moving around and not held still like solids.
