A bird flies at a speed of 2.3 m/s if it has 14 j of kinetic energy what is the mass

If an item as a density of. 63 g/mL, when placed in water the item will

900 x 60050 / 820 x 5632 + 88973 x 903 = what?

The electric force between electric charges is much larger than the gravitational force between the charges. Why, then, is the gravitational force between Earth and the Moon much larger than the electric force between Earth and the Moon?

Which statement is correct about the relationship between the average speed and the magnitude of the average velocity for any motion?

Earth's gravitational constant 9.8 m / s², whereas in 1.6 m / s². If a piece of rock in the earth weighs 50 N, find: a.) mass of rock in the earth b.) rock mass on the moon c.) heavy stone in a month

A force between two objects?

Two iron rods are placed horizontally, touching end-to-end. One end of one rod is heated. After some time, the other rod also feels warm to touch.

Which part of the motor is responsible for reversing the flow of current?

In a generator, as the magnet spins, opposite poles of the magnet push the electrons in opposite directions. This back-and-forth movement of electrons is called what? A) revolutions per minute B) direct current C) alternating current.

A train travels at a speed of 30 miles/hour and traveled a distance of 240 miles. How long did it take the train to complete its journey?