His eyes are 1.75 m above the floor, and the top of his head is 0.14 m higher. Find the height above the floor of the top and bottom of the smallest mirror in which he can see both the top of his head and his feet.

What is the relationship between the wavelength of a wave and it's energy?

Ogle–2013–blg–0723 is an exoplanet that is similar to earth in size and proximity to its star. this exoplanet has mass m=4.18×1024kg and radius r=5.66×106m. an astronaut whose weight on earth is w=735n lands on the planet. a. calculate m, the mass of the astronaut. b. calculate gp? , the acceleration due to gravity on the surface of ogle–2013–blg–0723. c. calculate wp? , the weight of the astronaut on the surface of ogle–2013–blg–0723. d. calculate v, the minimum velocity required to put an object into orbit above ogle–2013–blg–0723. e. calculate t, the time required to complete an orbit around ogle–2013–blg–0723.

Which of the following is not a part of the respiratory system? a. pharynx b. trachea c. pancreas d. larynx