a ford explorer traveled 100 miles the next day for 5 hours. What was the average speed of this vehicle?
2 answers:
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Answer:
Explanation:
As we know that
PV = nRT
here we have
so we have
T = 290 K
now we have
now the mass of gas is given as
now density of gas when its volume is increased to 3.3 L
so we will have
Answer:
The magnitude of electric force on object B due to object A when they are 2r distance apart is F/4.
Explanation:
Given :
Electric charge on object A = +Q
Electric charge on object B = +4Q
When the objects A and B are r distance apart, the magnitude of electrostatic force exerted on B due to A is given by the relation :
.....(1)
Now, the two objects are apart by distance of 2r, hence the force acting on the object B due to A is :
Substitute equation (1) in the above equation.