You are in a car driving 60 mph without a seat belt. the driver needs to slam on their breaks very hard. at
that moment, you continue to move forward and hit the seat in front of you hurting your face. again, the
car suddenly stopped but you continued to move forward. which of newtons laws best explains what is
happening here?
newtons 1st law
newtons 2nd law
newtons 3d law
none of the laws apply

By what factor does the drag force on a car increase as it goes from 65 to 110 km/h?

A47.2 g block of copper whose temperature is 480 k is placed in an insulating box with a 91.8 g block of lead whose temperature is 200 k. (a) what is the equilibrium temperature of the two-block system? (b) what is the change in the internal energy of the two-block system between the initial state and the equilibrium state? (c) what is the change in the entropy of the two-block system? the heat capacities of copper and lead are 386 j/kg·k and 128 j/kg·k, respectively.

The junction rule describes the conservation of which quantity? note that this rule applies only to circuits that are in a steady state.