Isaac tosses a twig into a river to figure out how quickly the water is flowing. He observes that the twig travels 21 meters south in three seconds. Based on his observations, what is the velocity of the twig?

X applies a force of 500 N to push Y 100 m across a road how much work does X do?

What is the impulse of a 131g baseball when it strikes a batter at 57 m/s

What is another name for kidney stones?

A 360 nm thick oil film floats on the surface of the water. the indices of refraction of the oil and the water are 1.50 and 1.33, respectively. the surface of the oil is illuminated from above at normal incidence with white light.

Is friction and pushing similar?

Most of the Earth's volcanoes occuWhen fossils or minerals form, certain unstable elements are sometimes locked into them.

a man is standing on the edge of a 20.0m high cliff. he throws a rock vertically with an initial velocity of 10.0m/s. how high does the rock go?

The slope of a velocity time graph over any interval of time gives the during that interval

if light travels in a vacuum at 3.00 x 10^8m/s and its frequency is 7.44 x 10^7 what is its wavelength

the half-life of carbon - 14 is 5730 years. What fraction of carbon-14 would remain after 11,460 years?