How are levees different than dams and other flood protection services?

What is the inverse tangent of 0.9?

What is the momentum of a 76-kilogram horse running at a speed of 45 kilometers/hour? A) 2.5 x 10^2 kilogram-meters/second B) 3.4 x 10^4 kilogram-meters/second C) 3.4 x 10^3 kilogram-meters/second D) 9.5 x 10^2 kilogram-meters/second

Name three situations in which force is created. Describe the cause of the force in each situation.

In and Atom what particles are not in the nucleus

What happens when solar energy heats a body of water?

Animals that can hear ultrasonic sounds are the what

If the rock has a mass of 1 kg which is the speed of the rock after it has fallen for two seconds

2 Cars A and B both at rest are to set of from a town to a common destination along the same route. Car A was the first to take off and travelled at 2.

In an experiment to measure the acceleration due to gravity, g two values, 9.72 m/s2 and 9.67 m/s2, as determined. if the accepted value of g is: 9.8 m/s2 find the followings: i) the percentage difference of the measurements?

If momentum is conserved in a collision, does this indicate conclusively that the collision is elastic?