If similar fossil collections are found on two continents, now widely separated, what is a possible explanation?

In order to determine speed, you must know

A pendulum makes 40 vibrations in 20 seconds. Calculate its period?

Kinematics in 1D [4B. R]:Question 3 An object can be accelerating if the magnitude of its velocity is constant only if:

What has more momentum, a baseball traveling at 4 m/s or a baseball traveling at 16m/s? and which has more energy?

From the top of a cliff, a person tosses a pebble straight downward with an initial velocity of - 9.0 meters/second. After 0.50 seconds, how far beneath the cliff is the pebble? a) - 2.0 b) - 3.9 c) - 5.7 d) - 10.3

Laser light of wavelength 470 nm shines on a pair of slits at normal incidence, producing a pattern of maxima on a large screen 92.0 cm away from the slits. The second order maximum is observed to be 31.7 cm away from the central maximum. a.

What does the slope of a line of best fit represent

A bowling ball is pushed with a force of 22.0N and accerlates at 5.5 m/s square. What is the mass of the bowling ball A - 4.0 kg B-0.25 kg C-25 kg D-4.00 kg

How to eat butter. I want to know how you all eat the butter.

What is the transfer of heat through a solid as a result of molecular action called? radiation convection conduction magnetism?