Calculate how long it takes for a stone falling from a bridge with an average acceleration downward of 9.8m/s^2 to hit the water. The stone starts from rest and hits the water with a velocity of 12.3m/s.

What are three disadvantages of teen entrepreneurs?

How does the temperature of the Earth's mantle compare to the other layers of the Earth? A) The mantle is hotter than the core. B) The mantle is hotter than the crust. C) The mantle is the same temperature as the core.

A shot putter releases the shot some distance above the level ground with a velocity of 12.0 m/s, 51.0 degrees above the horizontal. The shot hits the ground 2.08s later. You can ignore air resistance.

Heat energy on earth escapes into space. which heat transfer?

Which two terms best describe the gravitational force? strongest, repulsive weakest, repulsive strongest, attractive weakest, attractive

Most earthquakes are produced by the rapid release of which kind of energy stored in rock subjected to great forces? a. kinetic b. thermal c. elastic d. mechanica

Liam is two-years old. His mother is concerned about his behavior. Liam is very different from how his sister Briana was when she was his age. He does not make eye contact. When she smiles at him, he doesn't smile back.

550 g of water at 105°C is poured into an 855 g aluminum container with an initial temperature of 11°C. The specific heat of aluminum is 900 J / (kg K).

what occurs when the soccer ball contacts the hands or arm of any player on the field except the goalkeeper?

Sand on a beach is covered by other layers of sand over time. The extra layers compress the first layer, packing it tighter and tighter. Over time, the bottom layers of sand have formed into sandstone, with colored bands showing the different layers.