Arnold lifts a set of weights during his workout and has a power of 9150 W. If he does 8030 J of work during his lift, how much time did it take for Arnold to lift his weights

Aparticle with mass 1.81×10−3 kg and a charge of 1.22×10−8 c has, at a given instant, a velocity v⃗ =(3.00×104m/s)j^. what are the magnitude and direction of the particle’s acceleration produced by a uniform magnetic field b⃗ =(1.63t)i^+(0.980t)j^?

If forces acting on an object are unbalanced. true or false

Which form of cell division creates the sperm and egg, resulting in half of the chromosomes as the other cells?