A boy throws a ball vertically up and catches it after 3 s. What height did the ball reach?

During a partial solar eclipse, where is the moon located? a. between the sun and venus b. in the penumbra d. between the umbra and penumbra

a loaded freight car A with a mass of 24000 kg moves at a constant velocity of 8 m/s in a horizontal railroad track and collided with an empty stationary car B with a mass of 8000 kg.

The deepest portion of the lithosphere is formed from

Which statement describes a problem with the peer review process in scientific research? It can sometimes reject important new ideas or novel techniques. It forces new scientists to meet the same standards that established scientists meet.

a body makes six complete revolution in 4.0sec if it makes in a circle of raduis 25.0cm calculate th linear velocity

A copper rod is 0.450 m long. Heat is added to the rod until it expands by 0.00130 m. How much did the temperature change? (Unit=C)

What often happens to light when it travels from one medium to another

60,000 is 100 time as much as

A balloon is expanded to the same volume as that of a human head. Do an order-of-magnitude estimate of the volume of this balloon in cm3.

Which of the following atoms do not usually form bonds