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arlik [135]
3 years ago
10

A positive rod is placed to the left of sphere A ,and the spheres are separated

Physics
2 answers:
bekas [8.4K]3 years ago
8 0

BSphere A is negative and sphere B is positive because electrons from sphere B are attracted to the rod and move to sphere A.

Romashka [77]3 years ago
5 0
When a positive rod is placed to the right of sphere B, and the spheres are separated, the reason behind this is the same charge on the sphere as the rod i.e. the right of the sphere also had a positive charge. Thus, the same positive charges could not reside on the right side surface of the sphere due to which it separation happens.

Read more on Brainly.com - brainly.com/question/4135790#readmore
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A cathedral hull allows a boat to do what?
nirvana33 [79]

Answer: A cathedral hull allows a boat to

(Get up on a plane quicker)

Explanation:

A boat is a device that is used for water transportation and other purposes. It is made up of various parts which includes:

- The HULL: this is the base( bottom) of a boat with the pointy forward part called the BOW and the flat back part called the STERN.

There are different types of hulls which can be constructed by boat manufacturers and it depends on the use of the boat. They include:

1.)displacement hull,

2.)planing hull,

3.) flat hull,

4.) round hull,

5.)v-shaped hull and

6.) multi-hulled boats.

Cathedral hull is a planing hull that allows a boat to get on a plane quicker. A boat is said to be "on a plane" when more power (and speed) is applied, lift increases, and the boat, in effect, rides over its bow wave, reducing wetted area and thus reducing drag. I hope this helps, thanks.

7 0
3 years ago
A ball is fired vertically into the air. Its height in feet t seconds later is given by the formula: h(t)= -2t^2+80t
Lynna [10]

<span>v(t)=40-16t </span>
<span>so max height is when v(t)=0 or t=40/16 </span>
<span>and the max height is found by plugging that into the height equation</span>
4 0
3 years ago
In an experiment to study the photoelectric effect, a beam of monochromatic light is aimed at a cathode. However, the cathode do
sdas [7]
I think the answer is the first one
8 0
3 years ago
Materials that are poor conductors of thermal energy are called.....
Anettt [7]
First one, insulator. Second one, conductor.
5 0
3 years ago
A crate is sliding down an inclined ramp at a constant speed of 0.55 m/s. The vector sum of all the forces acting on this crate
Lemur [1.5K]

Answer:

F_{net} = 0

Explanation:

here it is given that the crate is sliding down with constant speed

so we will have

v = constant

now we can say

a = \frac{dv}{dt}

so here we have

a = 0

now from Newton's II law we can say that sum of all forces on the system is always product of mass and its acceleration

so here we will have

F_{net} = ma

F_{net} = 0

8 0
3 years ago
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