An airplane starts at rest and accelerates down the run way for 20 s. at the end of the run way, its velocity 80 m/s north whats it acceleration?

What is the description of how stationary things react to pushes and pulls

Both lead and zinc are formed as precipitates. Which of these is a step in the formation of the minerals? Select one: a. elements combine at high pressure b. magma cools after a volcanic eruption c. atoms combine in water to form solids d.

A head-on, elastic collision between two particles with equal initial speed v leaves the more massive particle (mass m1) at rest. find the ratio of the particle masses

When 2 forces are applied in opposite directions, how do you calculate the net force? A. You find the net force by dividing B. You find the net force by subtracting C. You find the net force by adding D. You find the net force by multiplying

The period of a certain wave is 20 seconds. What is the frequency of this wave? 0.05 waves/sec 10 waves/sec It depends on the medium. It depends on the speed of the wave.

A basketball player drops a 0.60-kg basketball vertically so that it is traveling at 6.3 m/s when it reaches the floor. The ball rebounds upward at a speed of 5.3 m/s.

Describe how humans' actions and natural processes have modified coastal regions in Louisiana and other locations

Visualize five horizontal sedimentary strata exposed in a cliff or canyon wall identified by consecutive numbers, 1 being the lowest bed and 5 being the highest. Which of the following statements concerning the strata are true? a.

The characteristics that follow are characteristics of two of Galileo's surviving double-convex lenses. The numbers given are magnitudes only; you must supply the correct signs. L 1: front radius 950 mm, rear radius 2700 mm, refractive index 1.

Which car has the most kinetic energy? A car of mass 1500 kg with speed 5 m/s or A car of mass 1300 kg with speed 3 m/s or a car of mass 1200 kg with speed 2 m/s or a car mass 1400 kg with speed 4 m/s