Hail stones do a lot of damage when they fall to the Earth and hit homes and cars with great force. They hit with great force because they

Which of the following processes start with a material that is in a fluid or semifluid state and solidifies the material in a cavity (two best answers) : a. pressing b. forging c. casting d. machining e. turning f. molding

Jeff is part of a trekking team. As he climbs a hill, he drops his water bottle, which has a mass of 0.25 kilograms. The bottle slides down the hill and is moving at a velocity of 14 meters/second the instant it hits the ground.

How would the absence of gravity affect the formation of planets? (A) The rocks and debris would take longer to accrete into a planet. (B) The rocks and debris would never accrete into a planet.

A brisk walk has a constant speed of 1.7 m/s. how far could a person walk in 160 seconds?

63xm is less than greater than or equal to 6 m

Why are telescopes that detect non - optical radiation useful for studying objects in space

Which of the following is not an application of Doppler technology? police speed guns weather radar ultrasound imaging of the liver determining the motion of a star

For a constant voltage, increasing the resistance will cause the current to decrease. true or false

Which of the following is an example of a testable scientific hypothesis? A) Why do plants grow better in the Sun than in the shade? B) Peacocks have prettier tail feathers than pigeons do.

A passenger jet flies from one airport to another 1,273 miles away in 2.2 h. find its average speed.