A forestry worker accidentally strikes a pipe with the end of a
pickaxe while trying to dig a hole. If
the pickaxe strikes with a force of
2000 N and the end of the pickaxe
measures 0.02 m by 0.01 m, how much
pressure is exerted on the pipe by the
pickaxe?

An astronaut on the moon throws a baseball upward. the astronaut is 6 ft, 6 in. tall, and the initial velocity of the ball is 3030 ft per sec. the height s of the ball in feet is given by the equation s equals negative 2.7 t squared plus 30 t plus 6.5s=−2.7t2+30t+6.5, where t is the number of seconds after the ball was thrown. complete parts a and b.

Which of the following forces require physical contact? tension air resistance friction magnetic force applied force

Auniform brick of length 25 m is placed overthe edge of a horizontal surface with a maximum overhang of 12.5 m attained withouttipping. now two identical uniform bricks of length25 m are stacked over the edge of a horizontalsurface. what maximum overhang is possible forthe two bricks (without tipping)? answer in units of m.