Mathematics, 30.06.2021 19:50, genyjoannerubiera
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(1) Suppose you lift a stone that has a mass of 5.9 kilograms off the floor onto a shelf that is 2.5 meters high. How much work have you done?
Joules
(2) Suppose you lift a laptop that weighs 3.4 pounds off the floor onto a shelf that is 2 feet high. How much work have you done?
foot-pounds
(3) The force on a particle is described by
7
x
3
+
2
pounds at a point
x
feet along the
x
-axis. Find the work done in moving the particle from the origin to
x
=
5
.
foot-pounds
Answers: 1
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