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2 years ago

If you place small pieces of tissue paper near the balloon in Picture 2, they would probably stick to the

Physics

1 answer:

pishuonlain [190]2 years ago

4 0

Answer:

The balloon has more negative charges than positive charges. The tissue paper has a neutral charge.The static electricity pulls on the tissue paper lifting it up.

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The temperature of a sample of silver increased by 24.0 °C when 269 J of heat was applied. What is the mass of the sample?

statuscvo [17]

Answer:

Mass of the silver will be equal to 46.70 gram

Explanation:

We have given heat required to raise the temperature of silver by 24°C is 269 J , so $\Delta T=24^{\circ}C$

Specific heat of silver = 0.240 J/gram°C

We have to find the mass of silver

We know that heat required is given by

$Q=mc\Delta T$ , here m is mass, c is specific heat of silver and $\Delta T$ is rise in temperature

So $269=m\times 0.240\times 24$

m = 46.70 gram

So mass of the silver will be equal to 46.70 gram

3 0

2 years ago

In an object's net charge positive or negative if it loses electrons?

Greeley [361]

Answer: If a neutral atom gains electrons, then it will become negatively charged. If a neutral atom loses electrons, then it become positively charged. 6. Determine the quantity and type of charge on an object that has 3.62 x 1012 more protons than electrons.

7 0

2 years ago

3. Light travels from the Sun to Earth in 8.3 min. Given that the speed of light is 3.00108 m/s, what is the distance in meters

nasty-shy [4]

Answer:

Explanation:

13.0120481928 it is the distance

4 0

2 years ago

g A simple pendulum (consisting of a point mass suspended by a massless string) on the surface of the earth has a period of 1.00

leonid [27]

Answer:

Explanation:

The formula for time period of a pendulum is given as follows :

T = 2π $\sqrt{\frac{l}{g} }$

l is length of pendulum and g is acceleration due to gravity .

So time period of pendulum is not dependent on the mass of the pendulum . If time period is same and length is also the same then acceleration due to gravity will also be the same . Hence the acceleration due to gravity at distant planet will be same as that on the earth.

5 0

2 years ago

1 point

alexandr1967 [171]

Answer:

length

Your well wisher :-)

4 0

2 years ago