: A boy of mass 40 kg climbs on a rope
which can withstand a maximum tension
of 600 N. In which of the following cases
will the rope break?
Select one:
a. climb down with an acceleration
of 4 m/s2
b. Falls down the rope nearly under
gravity
c. climbs up with an acceleration of
6 m/s2
d. climb up with uniform speed of
5 m/s​

What is the most useful equation for electric power?

Which of the following is a direct benefit of the use of assembly lines in production a. laws against theft fraud and coercion are needed to protect free choice. b. the government needs to plan efficient outcomes. c. competition among producers by itself cannot ensure a wide range of consumer choices. d. works pressure the government to guarantee minimum wages

The smallest particle of an element that retains its identity in a chemical reaction. true or false