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

What is the wavelength of radar waves with the frequency of 6.0 x 10 ^10 Hz?

A fish can travel 30km/h in still water. How long will it take to arrive 12km downstream in a river flowing 6km/h?

Tom Sawyer wanders out to the barn one fine summer's day. He notices that a haystack has recently been built just outside the barn. The barn has a second story door into which the hay will be hauled into the barn by a crane.

Cómo se visualizan las moléculas en la ciencia y por qué necesitamos una representación visual

What records the difference between still air and air that is being rammed into the system?

What are used by organisms for long-term energy storage

What is the thermal energy of an object? the total kinetic energy of its particles the total potential energy of its particles its total temperature the total kinetic and potential energies of its particles

Which statement describes a scientific theory? A theory states how something behaves without explaining why. A theory is a proven fact that cannot be changed. A theory changes based on new observations and testing.

What are the differences between deterministic forces and thermal agitation?

What causes the acceleration to increase or decrease?