Scientific notation 1. 0,000034 2. 0,0054 3. 346574 4. 0,00125 5. 348954
1 answer:
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The net force on the center of the rope is C. 14 N West
Explanation:
We have two forces acting on the rope:
- The force applied by Jack, 82 N, towards East
- The force applied by Tony, 96 N, towards West
Taking East as positive direction, we can rewrite the two forces as
where the second force is negative since its direction is west.
The two forces act along the same line, so we can calculate their resultant by simply calculating their algebraic sum. Therefore:
And the negative sign tells us that the direction is West.
Learn more about forces:
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Answer:
For outer points of shell
Now for inner point of shell
Explanation:
As we know that out side the shell electric potential is given as
inside the shell the electric potential is given as
now we know the relation between electric potential and electric field as
so we can say for outer points of the shell
Now for inner point again we can use the same
Answer:
160 m/s
Explanation:
The Ferrari is moving by uniformly accelerated motion, with constant acceleration of a = 50 m/s^2, and initial velocity u = 10 m/s. The velocity at time t of the car is given by
where
u = 10 m/s
a = 50 m/s^2
If we substitute t = 3 s into the equation, we can find the velocity of the car after 3 seconds: