Why does a clear stream always appear to be shallower than it actually is?

What distance is a book from the floor if the book contains 196 joules f potential energy and has a mass of 5 kg?

what of instead of other forms of energy we use sound energy to power every thing since sound is there every where

For a standard production car, the highest roadtested acceleration ever reported occurred in 1993, when a Ford RS200 Evolution went from zero to 26.8 m/s (60 mph) in 3.275 s. Find the magnitude of the car's acceleration.

What is the kinetic energy of a 4000kg bus traveling at 25m/s

Explain why contact trace evidence is so important in solving crimes.

A heat engine has a thermal efficiency of 45%. how much power does the engine produce when heat is transferred into it at a rate of 109 kj/hr?

Dos pelotas de tenis se lanzan verticalmente, hacia arriba y desde el mismo punto, con 2 s de diferencia. La velocidad inicial de la primera es de 20 m/s, y la de la segunda, de 30 m/s.

What is the primary function of the small intestines

A nuclear power plant generates a total of 150mw of power and 45% of this power is wasted heat that is discharged on the cooling water of a river. the river flows at 660.43 gal/s and has an upstream temperature of 64.4 ⁰f.

The universe is believed to have been form from a very dense fireball billions of years ago.