Calculate the force of gravity acting on an object that has a mass of 1.3 kg. the object is on earth so use 9.8m/s2 for the acceleration due to gravity.
a. 0.13 n
b. 7.5 n
c. 12.7 n
d. 1270 n

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.

What is the increase in density of a medium due to wave travel?

Which composition of water moves to begin a deepwater current?