. Imagine a demo car of total mass 51.0 kg includes nitro boost fuel of 1.0 kg. The car is initially accelerating at the rate of 2.0 m/s2. When the nitro boost is powered on, the new
acceleration is 4.0 m/sFind out the change in force just prior to firing the nitro and just after
the fuel is exhausted.

The passing of heat through a material while the material itself stays in place. a. radiation b. conduction c. convection

Which best describes the first law of thermodynamics as compared to the second law of thermodynamics? a. the first law describes how thermal energy is conserved but not the direction it moves. b. the first law describes the direction thermal energy moves but not how it is conserved. c. the first law describes how thermal energy can be created but not how it can be destroyed. d. the first law describes how thermal energy can be destroyed but not how it can be created.

Atruck driver is attempting to deliver some furniture. first, he travels 8 km east, and then he turns around and travels 3 km west. finally, he turns again and travels 13 km to his destination. what is the drivers distance