If the forces acting upon an object are balanced, then the object: a) might be moving at a constant velocity b) might be stopped c) is not accelerating question 4 options: a and b only all of the above none of the above c only

Individuals who live below the poverty line get seriously ill more often than those who do not what could be the hidden variable in this situation?

Arowboat passenger uses an oar to push the boat off the dock by exerting a force of 40n for 3.0s. what impulse acts on the boat.

Two resistors r1 and r2 may be connected either in series or parallel across an ideal battery with emf ε. we desire the rate of energy dissipation of the parallel combination to be 8.75 times that of the series combination. if r1 = 105 ω, what are the (a) smaller and (b) larger of the two values of r2 that result in that dissipation rate?