An object of mass 5 kilograms is acted upon by the forces f1 and f2 as shown. the force f1 is 35 newtons and angle θ = –55°. find the magnitude of f2 needed to keep the object in equilibrium.

Write the equation for momentum, first using symbols for the variables, then using words for the variables.

Which one of the following represents the reduced forms of the two major electron carriers? nadh and fadh2 nad+ and fadh2 nad+ and fad nadh and fad

A980-kg sports car collides into the rear end of a 2300-kg suv stopped at a red light. the bumpers lock, the brakes are locked, and the two cars skid forward 2.6m before stopping.the police officer, estimating the coefficient of kinetic friction between tires and road to be 0.80, calculates the speed of the sports car at impact. what was that speed?