a brave but inadequate rugby player is being pushed backward by an opposing player who is exerting a force of 800.0 n on him. the mass of the losing player plus equipment is 90.0 kg, and he is accelerating backward at 1.20 m/s².
(a) what is the force of friction between the losing player's feet and the grass?
(b) what force does the winning player exert on the ground to move forward if his mass plus equipment is 110.0 kg?
Answers: 1
Physics, 22.06.2019 21:30, katwright1124
Atoaster oven has a resistive heating element. the average rate at which it dissipates energy as thermal energy is 1.00 \(\rm kw\). in the united states, emf amplitude in household circuits is \(\mathcal e_{\max}\) = 170 \({\rm \; v}\) and the \(\rm ac\) oscillation rate is 60 \(\rm hz\). part a what is the root-mean-square current through the heating element?
Answers: 2
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