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Sav [38]
3 years ago
7

An empty glass does not dip in water in upside down position why​

Physics
1 answer:
skad [1K]3 years ago
8 0

Answer:

An empty glass does not dip in water in upside down position because of air cavity present in it which doesnot let water enter the glass when kept it in upside down position

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A very slow motion of earth's axis that requires 26,000 years to complete is called ________.
agasfer [191]

The answer is axial precession. Axial precession refers to the very slow motion of the Earth’s axis, which almost requires twenty-six thousand (26,000) years to complete a full rotation. This Axial Precession is caused by the effects of gravitational pull from the Sun and the Moon towards the Earth.

5 0
3 years ago
Cuando el pistón tiene un volumen de 2x10^-4 m^3, el gas en el pistón está a una presión de 150 kPa. El área del pistón es 0.001
Vlad1618 [11]

Answer:

F = 1.128 10⁸ Pa

Explanation:

Pressure is defined by

         P = F / A

If the gas is ideal for equal force eds on all the walls, so on the piston area we have

        F = P A

We reduce the pressure to the SI system

       P = 150 kpa (1000 Pa / 1kPa = 150 103 Pa

we calculate

       F = 150 10³ / 0.00133

       F = 1.128 10⁸ Pa

3 0
3 years ago
Krista is playing tennis at the park. When the tennis ball flies toward her, Krista hits the ball with her racket, which causes
xenn [34]

Answer:

B. When the racket hits the tennis ball with a force, the tennis ball applies an equal but opposite force to the racket.

Explanation:

According to the Newton's third law of motion every action has equal and opposite reaction. So, when the force is applied by the racket on the ball then the ball also applies an equal intensity of force in the opposite direction on the racket. It is just that the the force on the racket is absorbed by the player holding it.

7 0
4 years ago
The person given credit for the first modern atomic theory was __________.
mote1985 [20]
<span>The person given credit for the first modern atomic theory was __________.


Dalton.</span>
7 0
4 years ago
What are 3 ways you can save energy on earth day or any day?
Ber [7]
By unplugging unused devices, by turning off any unused lights, and by switching your lightbulbs to something more energy efficient.
8 0
4 years ago
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