If you designed a rollercoaster, how might you design it? Would you have friction?

What causes ocean waves?

How are magnetic stripes near mid-ocean ridges evidence for sea-floor spreading?

A jetliner can fly 4.9 hours on a full load of fuel. Without any wind it flies at a speed of 1.88 x 102 m/s. The plane is to make a round-trip by heading due west for a certain distance, turning around, and then heading due east for the return trip.

Which is caused when constructive interference occurs in sound waves? a. louder beats b. no disturbance c. softer noises d. no sounds

If the work done on an object doubles its kinetic energy how is the speed of the object

what is a possible unit for the product VI, where V is the potential difference across a resistor and I is the current through the same resistor?

What is one basic need that both monkey and a tree have in common

Which statement is true about the centripetal force acting on a body moving at a constant speed in a circle? A. It has no centripetal force. B. It has a centripetal force that is directed radially and outward. C.

Which of the following astronomical bodies is the highest in hierarchy earth galaxy solar system star

The force is proportional to what measurement