Why are there two types of core?

A (n) 26000 kg freight car is rolling along a track at 3.3 m/s. Calculate the time needed for a force of 1150 N to stop the car. Answer in units of s.

Whats the difference between place theory and frequency theory in regard to perception of pitch.

Why were steamboats an improvement over earlier forms of transportation like horses and wagons? A. They could travel more places B. They required fewer people to operate. c. They used less power. D. They could transport goods to market faster.

Heavy rains in late July 2010 triggered the mass wasting that occurred in this mountain valley near Durango, Colorado. Heavy equipment is clearing away material that blocked railroad tracks and significantly narrowed the stream channel.

a farmer lifts a bale of hay that is 12m off the ground. If he uses a force of 350 n, how much work does the farmer do?

The average distance to the stars that make up the constellations in the night sky around the sun is about

What happen when a light from the sun passes through any type of matter

A projectile is launched at ground level with an initial speed of 53.0 m/s at an angle of 35.0° above the horizontal. It strikes a target above the ground 2.50 seconds later.

A 2650-lb car is traveling at sea level at a constant speed. its engine is running at 4500 rev/min and is producing 175 ft-lb of torque.

How many valence electrons are in alkali metals