Two trains start from towns 224 mi apart and travel towards each other on parallel tracks. They pass each other 1.6 hr later. If
1 answer:
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Answer: The height of the pile increasing is increasing at
Explanation:
Given
Rate at which gravel is being dumped ,
=>Rate of increase of volume of cone=
If height of the cone at any instant is h then the diameter of cone is also h
Volume of cone ,
Now differentiate both sides w.r.t time(t)
Therefore at h = 9 ft
=>
Thus the height of the pile increasing is increasing at
Answer:
Explanation:
The magnetic force is given by the equation,
Where is the angle between velocity vector and the magnetic field,
That angle is 90°.
We know as well that
F=ma, replacing the mass and the acceleration in our previous equation we have
Our values are,
Substituting,