All categories

3 years ago

Two balloons have a negative charge. What happened when they are bought near each other ?

Physics

2 answers:

Lerok [7]3 years ago

6 0

They will repel since opposites attract

g100num [7]3 years ago

4 0

Answer:

Two balloons will repel each other

Explanation:

As we know that the basic property of electric charge is as following

1. It two similar charges are placed near to each other then they repel each other and moves apart

2. If two opposite charges are placed near to each other then they attract each other and comes closer to each other.

so here in the above case when two balloons have negative charge then due to similar charges on them the two balloons will repel each other and moves apart from each other

You might be interested in

A bicycle wheel of radius 14 cm is mounted at the middle of an axle 96 cm long. The tire and rim weigh 23 N. The wheel is spun a

ollegr [7]

Answer:

a. L =3.465 J.s

b. 3.186 rad/s

c. T = 1.972 s

d. Lp = 0.022 J.s; up or down, depending on the direction of L

Explanation:

(a)We have the formula for angular momentum as

L = I*w where I = moment of inertia = $M*R^2$

L = $(23/9.81) * 0.14^2* (24*pi) J.s = 3.465 J.s$

(b) ω = M*g*D/L

where D = L/2 = 0.96/2 = 0.48m

ω = (23* 0.48/3.465) rad/s = 3.186 rad/s

T = 2*π/3.186 s = 1.972 s

(d) Lp = $M*D^(2*w)$

Solving with mass M, D and angular velocity ω

Lp = 0.022 J.s; up or down, depending on the direction of L

8 0

3 years ago

What are the methods of heat transfer?

m_a_m_a [10]

Answer:

Radiation , Conduction and Convection

Explanation:

Those are the ways heat is transferred

8 0

3 years ago

What are parts of a pulley

PtichkaEL [24]

Wheel, axel and rope

3 0

3 years ago

A key falls from a bridge that is 32 m above the water. It falls directly into a model boat, moving with constant velocity, that

FinnZ [79.3K]

Answer:

Speed of the boat, v = 4.31 m/s

Explanation:

Given that,

Height of the bridge, h = 32 m

The model boat is 11 m from the point of impact when the key was released, d = 11 m

Firstly, we will find the time needed for the boat to get in this position using second equation of motion as :

$s=ut+\dfrac{1}{2}at^2$

Here, u = 0 and a = g

$t=\sqrt{\dfrac{2s}{g}}$

$t=\sqrt{\dfrac{2\times 32}{9.8}}$

t = 2.55 seconds

Let v is the speed of the boat. It can be calculated as :

$v=\dfrac{d}{t}$

$v=\dfrac{11\ m}{2.55\ s}$

v = 4.31 m/s

So, the speed of the boat is 4.31 m/s. Hence, this is the required solution.

3 0

3 years ago

What type of charge will an object have if the object contains less protons than electrons?

Burka [1]

Answer:

Hello, I believe it would have a negative charge considering protons have a positive charge while elctrons have a negative charge

Explanation:

6 0

3 years ago