Who developed an empirical equation from which the wavelengths of lines in the spectrum of hydrogen atoms can be calculated?

When the researchers connected the solution-filled glass plates of the flow chamber to the AC generator, the ITO-coated plates mostly likely functioned as:

Distinguish mass and weight

3. A robot is on the surface of Mars. The angle of depression from a camera in the robot to a rock on the surface of Mars is 13.78°. The camera is 184.0 cm above the surface. How far is the camera from the rock? (Round to the nearest tenth as needed.

Two stars have the same radius but have very different temperatures. the red star has a surface temperature of 3,000 k and the blue star has a surface temperature of 156,100 k. by what factor is the blue star more luminous compared to the red star

Two skydivers are holding on to each other while falling straight down at a common terminal speed of 57.10 m / s. Suddenly, they push away from each other. Immediately after separation, the first skydiver, who has a mass m 1 of 94.

Place the ball in the plastic bag, and twist the top so the ball is secure in the bag. Wrap the twisted portion with tape so it stays tight. Use the hole punch or scissors to poke a hole in the part of the bag that's above the ball.

Choose The units of 1/4πε0 are: A. N2C2 B. N • m/C C. N2 • m2/C2 D. N • m2/C2 E. m2/C2

What does a fern ultimately depend on as an energy source?

According to the Doppler Effect, which statement is true about a sound as it approaches you and then moves away. A) As the source approaches you, the sound waves are compressed so the pitch of the noise increases.

If you have a beam perfectly balanced on a fulcrum and put a weight at the very end of one side, is there a way to know where you should put a heavier object on the other end?