A 35-kg boy is riding an 18-kg bicycle down a path. The bicycle is moving at 11 m/s.
Calculate the kinetic energy of the boy and the bicycle (rounding your answer to the nearest tenth).

Kinetic Energy KJ

The passage that directs air to the lungs is called a. diaphragm. b. larynx. c. bronchi. d. pharynx.

Hydrogen atoms are excited by a laser to the =4n=4 state and then allowed to emit. what is the maximum number of distinct emission spectral lines (lines of different wavelengths) that can be observed from this system? 8 6 2 7 4 5 1 3 calculate the wavelength of the 4⟶14⟶1 transition. =λ=

Acar travels 40m in 8 seconds find the car speed