Why is it important for scientist to repeat an experiment several times?

A ball is dropped from somewhere above a window that is 2.00 m in height. As it falls, it is visible to a person boxing through the window for 200 ms as it passes by the 2.00 m height of the window.

Light is an oscillating electric field alone. an oscillating electric field and a fluctuating magnetic field that are parallel to each other.

Why did the work of Rutherford and Marsden convince many scientists that the 'plum pudding' model of the atom was incorrect?

On a day when the temperature reaches 50°F, the temperature in degrees Celsius is: 20°C 10°C 5°C

What will happen if our atmosphere was oxygen

Suppose a well-designed optical instrument is composed of two converging lenses separated by 14 cm. The focal lengths of the lenses are 0.60 and 4.5 cm. Is the instrument a microscope or a telescope

Launch the simulation, then answer the question Which statement is not correct regarding the deformation of a circular shaft in torsion? Cross sections remain flat. Longitudinal lines remain straight. Circular sections remain circular.

An experiment was conducted to determine the effect of alcohol on driving. Subjects consumed varying amounts of alcohol. Then they drove around barrels. Judges rated their performances. The independent variable in the experiment was the

What would you be most likely to find if you returned to the solar system in 10 billion years?

Opposite chargers and like charges