A landing airplane makes contact with the runway with a speed of 78.0 m/s and moves toward the south. After 18.5 seconds , the airplane comes to rest. What is the magnitude and direction of acceleration of the airplane during
the landing?

Aspring that is stretched 2.6 cm stores a potential energy of 0.053 j. what is the spring constant of this spring?

Use the ratio form of kepler’s third law, = , and the data provided to determine the time it takes mars to orbit the sun. round your answer to the nearest tenth. earth’s orbital period = 1.0 earth year earth’s distance from the sun = 1.0 au mars’s distance from the sun = 1.5 au it takes mars about ⇒ 1.8 earth years to orbit the sun.

Describe a mesomorph body type and expain why this body type a sportsperson to perform well in either football swimming or cross country