Answer:
weak nuclear force
Explanation:
Weak interaction, also called weak force or weak nuclear force, a fundamental force of nature that underlies some forms of radioactivity.
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Answer:
Sound waves travels fastest in solids.
Sound waves travels slowest in gases.
Explanation:
Sound waves travels fastest in solids.
Sound waves travels slowest in gases.
Although I may be wrong, A- Human activity is the answer.
-- If velocity is constant, then there is no net force
on the chair.
-- If there is no net force on the chair, then friction
must exactly balance out your push.
-- The force of friction is exactly equal in magnitude
to your push, and in exactly the opposite direction.
