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natka813 [3]
3 years ago
14

The resistance force for this ideal pulley system is 1000 n what is the fe

Physics
1 answer:
fredd [130]3 years ago
6 0
The resistance force for this ideal pulley system is 1,000 n.
What is the Fe?

C.) 500 N
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A boy falls and hits his head with an impulse of 20N-s. On cement, the boy would hit for
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3 years ago
Electric charge is uniformly distributed inside a nonconducting sphere of radius 0.30 m. The electric field at a point P, which
notsponge [240]

Answer:

The point that would have the same electric field as P is  z = 0.108 \ m from the center of the sphere.

Explanation:

From the question we are told that

  The  radius of the sphere is  r = 0.30 \ m

   The Electric field at point P is  E = 15000N/C  

    The distance of point P from the center is D = 0.50 \ m

Since the electric is directed radially outward it mean this it would be felt both inside and outside the sphere

The Electric field inside the sphere at a distance z is mathematically represented as

            E_i = \frac{k q x}{r^3}

where k is the coulomb's constant with a  value 9 *10^9  \ kg \cdot m^3 \cdot s^{-4 } \cdort A^{-2 }

            q is the charge

             

The Electric field inside the sphere at a distance D  is mathematically represented as            

                E _o = \frac{k q}{D^2}

To obtain the point of equal electric field

           E_i = E_o

          \frac{k q z}{r^3}  =  \frac{kq }{D^2}

 We have that

             z = \frac{r^3 }{D^2}

Substituting values

                z = \frac{(0.3)^3 }{(0.5)^2}

                z = 0.108 \ m

8 0
3 years ago
Astronauts aboard the U.S.S. Burger decide to fire the rocket thrusters for 3.0 seconds to make a course correction. While the t
Cloud [144]

Answer:

340 m/s

Solution:

As per the question;

Time, t = 3.0 s

Total distance moved by the ship, d = 10,500 km

The increase in speed, v = 340 m/s

Now,

To calculate the U.S.S Burger's change in speed, \Delta V:

The final velocity is given by:

v_{f} = 340 + v_{i}                      (1)

where

v_{f} = final\ velocity

v_{i} = initial\ velocity

Also, the change in velocity is given by:

\Delta v = v_{f} - v_{i}                    (2)

Now, from eqn (1) and (2):

\Delta = 340 + v_{i} - v_{i} = 340\ m/s

8 0
3 years ago
What do you do abt onion eyes (MY EYES ARE BURNING BADDD)
MissTica

Answer:

Leave onions in cold water for about 15 minutes! Takes out the chemical reaction in the onion's defense system.

Explanation:

This is what people NEED to know for cooking... Lol :)

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Changing the velocity of a moving object will have little effect on its kinetic energy.
Alinara [238K]

Answer:Faulse

Explanation:

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Read 2 more answers
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