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2 years ago

All of the following statements are correct except ________ .

Physics

2 answers:

Korvikt [17]2 years ago

8 0

Answer:

Explanation:

a) Is a correct statement as belts are reinforcing materials that encircle the tire under the thread. it acts as a protecting layer.

b) This is also a correct statement as the carcass of tire is actually made of plies, layers of clothes and rubber.

c) Again true as the pattern of most of the thread are made and designed in such a ways that vehicle can drive on any road whether wet or dry.

d) This is an incorrect statement as beads are not the decorative pattern at the outer edge of the tread.

nasty-shy [4]2 years ago

3 0

Answer:

Explanation:

I took the test and got it correct

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You drop a penny from the top of the Salesforce building in San Francisco. If the

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2 years ago

What is number one ? ‼️‼️

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3 years ago

Which of the following statements is true?

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2 years ago

A helium weather balloon is filled to a volume of 219 m3 on the ground, where the pressure is 754 torr and the temperature is 29

Novosadov [1.4K]

Answer:

$V_2 = 606.9 m^3$

Explanation:

By ideal gas equation law we know that

PV = nRT

now we know that when balloon rises to certain level then the number of moles will remains same

so we can say

$n_1 = n_2$

$\frac{P_1V_1}{RT_1} = \frac{P_2V_2}{RT_2}$

now plug in all data to find the final volume of the balloon

$\frac{754\times 219}{R(298)} = \frac{210 \times V_2}{R(230)}$

$V_2 = \frac{230\times 754 \times 219}{210 \times 298}$

$V_2 = 606.9 m^3$

8 0

2 years ago

The medium through which a mechanical wave passes can be a solid, liquid, or gas. Properties of a wave change when it moves from

Tpy6a [65]

Answer:

Option A

Explanation:

Mechanical waves requires some medium to travel through. They travel faster in the dense medium as compared to a free medium.

The speed of a mechanical wave is fastest in the solid medium and the slowest in the gaseous medium. Hence, as the wave traverses from gaseous medium to the solid medium, its speed increases.

Thus, option A is correct

3 0

2 years ago