a missile launches at a velocity of 30.0 m/s at an angle of 60.0° above the horizontal. what is the maximum height the missile attains?

Which atomic model was proposed as a result of j. j. thomson’s work?

Considering only the earth's rotation, determine how much later the asteroid would have had to arrive to put the explosion above helsinki at longitude 25˚ e? this would have obliterated the city.

Exercise 2. find the wavelength of a photon emitted when an electron jumps from the n = 3 energy level down to the n = 2 energy level. where is this photon in the electromagnetic spectrum?