Answer:
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how does the electric force between two charged particles change if the distance between them is increased by a factor of 3?
a. it is reduced by a factor of 3
The force on the layer will be equivalent to the weight of water on it. This is given by:
F = mg; m is the mass of water and g is the acceleration due to gravity.
Answer:
Explanation:
Kinematics equation for first Object:
but:
The initial velocity is zero
it reach the water at in instant, t1, y(t)=0:
Kinematics equation for the second Object:
The initial velocity is zero
but:
it reach the water at in instant, t2, y(t)=0. If the second object is thrown 1s later, t2=t1-1=1.02s
The velocity is negative, because the object is thrown downwards
Answer:
Explanation:
Given mass of grindstone 
radius of stone 
angular speed of disc 
Steel Axle applying a force of 
coefficient of kinetic friction 
Frictional Torque applied by steel is given by
where 
=frictional force
Torque is also given by
where 
=angular acceleration
I=moment of Inertia
