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Benefits of Physical Activity: Mastery Test
Select the correct answer.
Which statement about anaerobic exercises is true?
A.
You should leave at least a day between anaerobic exercises to let muscles rest and heal.
c
B.
Anaerobic exercise should last longer and be more intense than aerobic exercise.
OC.
During anaerobic exercise the muscles require a lot of oxygen.
D.
Anaerobic exercise is mostly intended to improve cardiorespiratory endurance.
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To do work, this truck uses energy stored in chemical fuel and an electrical battery. how much total energy does this truck put out?

An automobile steering wheel is shown. what is the ideal mechanical advantage? if the ama is 8, what is the efficiency of the steering wheel?

Two conductors, a and b, are each in the shape of a tetrahedron. but of different sizes. they are charged in the following manner: 1. tetrahedron a is charged from an electrostatic generator to charge q. 2. tetrahedron a is briefly touched to tetrahedron b. 3. steps 1 and 2 are repeated until the charge on tetrahedron b reaches a maximum value. if the charge on tetrahedron b was q/4 after the first time it touched tetrahedron a. what is the final charge qbmax on tetrahedron b?