Who provided evidence for the existence of an atomic nucleus

The average velocity of molecules of nitrogen gas (N2) at room temperature is around 500 m/s. If you were to raise the temperature of the nitrogen gas by 50°C what is a good estimate for the speed of the molecules? A. 100 m/sB. 500 m/sC. 600 m/sD.

Scalar is to vector as (1) speed is to velocity (2) displacement is to distance (3) displacement is to velocity (4) speed is to distance

Which ancient philosopher proposed a heliocentric model of the solar system? A. Kepler B. Aristarchus C. Plato D. Ptolemy

Cere-Perdue is a process of casting sculpture in which medium? a. Cement b. Metal c. Plaster of Paris d. Fibre Glass which option is correct

1. What is the speed of sound in air that has a temperature of 90.0 °C?

Scientists now think high-fructose corn syrup may disrupt appetite control, making people more often o sleep get angry Ceat fast

What are the strengths and limitations of the doppler method?

Voltage can exist without A. current. B. resistance. C. a closed circuit. D. all of these

During a football game, a receiver has just caught a pass and is standing still. Before he can move, a tackler, running at a velocity of 2.60 m/s, grabs and holds onto him so that they move off together with a velocity of 1.30 m/s.

What effect does an increase in temperature have on viscosity?