A 650 kg car accelerates at 4.0 m/s2 south. what is the net force acting on it?

The bond enthalpy value for a carbon to hydrogen bond is 413 kJ. What does this mean? A. It takes 413 kJ of energy to break a carbon to hydrogen bond. B. The formation of a carbon to hydrogen bond releases 413 kJ of energy. C. Both of the above

A dwarf planet is a 1. small, rocky object that orbits the Sun and is usually found in a belt between the orbits of Mars and Jupiter. 2. small object made of ice and dust that orbits the Sun and forms a coma as it approaches the Sun. 3.

Mixtures can be separated by physical changes.

Briefly outline the caloric theory about the nature of heat

If a material contains 3 elements joined in a fixed proportion it is an

Which of the following best describes the function of a plant's flowers?

Which is not true of low back pain? A. Most recover in 4-6 weeks. B. It affects just less than half of all adults. C. The recurrence rate can be quite high if not treated properly. D. Disk compression is one of a few common causes.

Which color of aurora gives off higher energy light, green or red?

What happens to the volume when temperature is held constant and the pressure is increased to 125 kPa

A 1,500.0 kg car hits a brick wall with a force of 60.0 N in 1.75 seconds. What is the change in the momentum of the car?