How do astronomers know what conditions exist inside the Sun?

The strength of a gravitational force between two objects depends on A. mass and distance. B. distance and volume. C. mass and volume. D. size and shape.

Describe how the ringing sound of a telephone travels from the phone to your ear?

What kind of eclipse takes place when the moon passes between earth and the sun and completely covers the sun?

The velocity of sound in air is 332 m/s. If the unit of length is km and the unit of time is hour, what is the value of velocity?

The diagram below shows a horizontal 12. newton force being applied to two blocks, A and B, initially at rest on a horizontal, frictionless surface. Block A has a mass of 1.0 kilogram and block Bhas a mass of 2.0 kilograms. F = 12N A 1.0kg B 2.

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Which is a characteristic of the electron Sea model for Metallic bonding

A car is stopped at a red light. When the light turns green, the car starts accelerating again. In the process, a cup of coffee sitting in a cup-holder spills out onto the rear seats. Why does this happen?

Use hubble's law to determine the distance to a galaxy which is moving away at a velocity of 3,500 km/s. (assume that h = 70 km/s/mpc)

Circuit has a single pathway for the electrons of flow. series parallel