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Katarina [22]
3 years ago
7

How can a charged object cause charges to move within an uncharged object?

Physics
1 answer:
Paraphin [41]3 years ago
3 0
Thank you for posting your question here at brainly. Feel free to ask more questions.  
<span>The best and most correct answer among the choices provided by the question is<span> A. If the uncharged object is a conductor, the charged object can attract opposite charges. </span></span>     <span><span>

</span><span>Hope my answer would be a great help for you. </span> </span> <span> </span>
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A river flows due east at 1.50 m/s. A boat crosses the river from the south shore to the north shore by maintaining a constant v
monitta

Answer:

a

   u =  10.11 \  m/s

b

   x = 44.996 \  m    

Explanation:

From the question we are told that    

        The velocity of the river due east is  v =  1.150i  \ m /s

        The velocity of the boat due north is  v_1 = 10j  \ m/ s

         The width of the river is  d =  300 \  m

Generally the velocity of the boat relative to the shore

           u =  \sqrt{v^2 + v_1^2}

=>        u =  \sqrt{1.50 ^2 + 10^2}

=>        u =  10.11 \  m/s

Generally direction of the boat relative to the shore is mathematically represented as

           tan \theta  =  \frac{v}{v_1}

=>        \theta  = tan^{-1}[ \frac{v}{v_1}]

=>        \theta  = tan^{-1}[ \frac{1.5}{10}]

=>        \theta  = 8.53^o

Generally the distance covered by the boat in the direction of flow of the river before reaching the north shore is mathematically represented as

             x =  d*  tan(\theta )

=>          x =  300 *  tan(8.53)

=>         x = 44.996 \  m          

         

3 0
3 years ago
Ponds and lakes are part of marine ecosystem.<br> True or false ?
finlep [7]

Answer:

True

Explanation:

because they can hold marine organism inside

8 0
3 years ago
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A truck is using a hook to tow a car whose mass is one quarter that of the truck. If the force exerted by the truck on the car i
RideAnS [48]

answer

6000 N

explanation

every force has an equal and opposite reaction force, so the force exerted by the truck on the car is the same as the force exerted by the car on truck

the force is 6000 N

8 0
4 years ago
Read 2 more answers
What distance will an object cover in 20 seconds if it is moving at 8 m/s
Nitella [24]

Answer:

160 m

Explanation:

distance covered in 1 s  = 8 m

therefore, distance covered in 20 s = 8 * 20 m = 160 m

4 0
3 years ago
A skydiver, with a mass of 60 kg is falling at a velocity of 30 m/s. Calculate his kinetic energy.
ddd [48]

Answer:

27000 J

Explanation:

4 0
3 years ago
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