A sled with a mass of 32 kg is being pulled across the snow. If the friction force between the sled and the ground is 12 N, what is the force needed to accelerate the sled at a rate of 1.1 m/s2?

Asteady current of 1 ais flowing through a conducter calculate the number of electrons that flows through conductor in 1second

When applying kirchhoff's rules, one of the essential steps is to mark each resistor with plus and minus signs to label how the electric potential changes from one end of the resistor to the other. the circuit in the drawing contains four resistors, each marked with the associated plus and minus signs. however, one resistor is marked incorrectly. which one is it?

A100 kg running back runs at 5m/s into a stationary linebacker. it takes 0.5 for the running back to be completely stopped