Acomposition of two isometries results in

a.
an increase in size
b.
preservation of length
c.
the same orientation
d.
a reduction in size

In a system, when potential energy decreases, then entropy also decreases. true false

1. jay fills a wagon with sand (about 20 kg) and pulls it with a rope 30 m along the beach. he holds the rope 25° above the horizontal. the rope exerts a 20-n tension force on the wagon. how much work does the rope do on the wagon?

Why do astronauts in the space shuttle weigh less?