A student on the balcony of his apartment building (height of 10 m) launches a tennis ball straight up at a velocity of 29.4 m/s. What is the ball's speed when it reaches the sidewalk below?

Explain how plate tectonics have changed earth’s surface over time. include the role of plate tectonics in the creation of landforms.

Specific heat refers to the amount of heat required to change 1 gram of a substance by degree(s) celsius

Which magnetic property best describes a magnet’s ability to act at a distance? magnets are dipolar. magnets attract only certain objects. magnets have magnetic fields. magnets can transfer their properties to certain materials.