Physics, 16.12.2021 20:30, ValeryGi3721
5. A 72 kg firefighter slides down a fire pole with a downward acceleration of 2.80 m/s2.
What is the force of friction exerted by the pole on the firefighter?(You will need to find
the weight force acting on the object by knowing the mass.)
or
Answers: 3
Physics, 22.06.2019 17:30, Mariaisagon8446
Heterogeneous mixture with larger particles that never settle is
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What kind of waves require a medium to travel? question 6 options: light waves mechanical waves all waves need a medium to travel electromagnetic waves
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Physics, 23.06.2019 01:00, shubbs1038a
First answer marked as brainiest which is the correct equation describing the first law of thermodynamics? a) when the internal energy of a system changes, it equals the amount of heat added plus the work done. b) when work is done by the piston, it is equal to the heat added plus the change in internal energy of the system. c) when heat is added to the system, it is equal to the amount of work done by the piston plus the change in internal energy of the system.
Answers: 2
5. A 72 kg firefighter slides down a fire pole with a downward acceleration of 2.80 m/s2.
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