(2) A 72 kg crate is on a freight elevator. It accelerates upwards at a rate of 0.2 m/s 2 while moving down. Determine the force of the cable on the elevator.

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.

If y gets smaller as x gets bigger and y have an relationship?

The three classes of rocks are sedimentary, metamorphic, and igneous. how are rocks classified into one of these three groups?