Who is considered the father of atomic theory?

Rutherford

Thomson

Dalton

Democritus

A speaker fixed to a moving platform moves toward a wall, emitting a steady sound with a frequency of 235 Hz. A person on the platform right next to the speaker detects the sound waves reflected off the wall and those emitted by the speaker.

If a ball is raised from 32 m to 128 m, then its potential energy is how many times larger?

A child slides across a floor in a pair of rubber-soled shoes. The friction force acting on each foot is 20.0 N. The footprint area of each shoe sole is 14.0 cm2, and the thickness of each sole is 5.00 mm.

A 24 kg child on a 3.2 kg sled is sliding at 6.0 m/s. as the sled passes underneath a tree, a 5.2 kg mass of snow falls vertically and lands on the moving sled. calculate the final velocity of the sled.

BC Inc. custom makes furniture. It has 20 workers who produce 135 units per quarter each. The cost per unit is $2500.00. If a pure chase strategy is used, how many workers are fired or hired during quarter 2? Be as close as possible.

What is the charge of alpha, beta and gamma rays?

A pair of scissors is a complex machine. what simple machines make up a pair of scissors?

Methane gas absorbs red light, and methane clouds reflect blue light, giving Uranus and Neptune their distinctive blue colors. Why do Uranus and Neptune have methane clouds, but Jupiter and Saturn do not

A car traveled 1025 kilometers from El Paso to Dallas in 13.5 hours. What was it's average velocity?

A flat loop of wire consisting of a single turn of cross-sectional area 7.10 cm2 is perpendicular to a magnetic field that increases uniformly in magnitude from 0.500 t to 2.00 t in 0.93 s.