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Answer:
b. Rollerblading.
Explanation:
Rollerblading involves balances.
B, It binds protons and neutrons
Answer:when a wave moves from a dense medium to a less dense medium most of the wave energyis refracyed.
Explanation:
Use the formulav^2 = u^2 + 2*a*swhere v is the final velocity of the ballu is the initial velocity of the balls is the displacement of the balla is the acceleration
Givenv=130u=0s=0.1a=?
130^2 = 0^2 + 2a(0.1)solve for a
a = 84500 m/s2