A slingshot is used to launch a stone horizontally from the top of a 20.0 meter cliff. The stone lands 36.0 meters away. At what speed was the stone launched?

About how much time elapses between high tides on the same day?

Because the universe is expanding, what happens to light from other galaxies as we view it from earth?

Which statement is true for electric field lines? Field lines should always be parallel to the equipotential lines. Field lines should always be perpendicular to the equipotential lines. Field lines should always be parallel to each other.

Orion is visible on winter evenings but not summer evenings because of

1. A force that pushes forward on an object speeds the object up. A force that pushes backwards slows the object down. What effect does a force that is perpendicular to the object's motion do?

Which type of radioactivity is not deflected by a magnetic field?

Which type of seismic wave produces the most severe ground movements?

If you are driving 95 km/h along a straight road and you look to the side for 2.3 s, how far do you travel during this inattentive period?

An ordinary flea has a mass of 210. How many newtons does it weigh?

Plants and animals use the oxygen in the air to turn food into energy. This life process is known as what? A) digestion Eliminate B) excretion C) growth D) respiration