Which of the following describes a comet? a. large objects (> 10 m) in space originating from a region between jupiter and mars b. icy objects that form a tail as they come close to the sun c. small objects that burn up in earth's atmosphere d. objects that survive passing through earth's atmosphere and hit the ground
Answers: 3
Physics, 21.06.2019 19:40, tmark45
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.
Answers: 3
Physics, 22.06.2019 01:40, janeou17xn
Crowbar of 5 metre is used to lift an object of 800 metre if the effort arm is 200cm calculate the force applied
Answers: 1
Physics, 22.06.2019 14:30, samone26
Which of the following changes will increase the capacitance of a parallel-plate capacitor? (there could be more than one correct choice.) a) increase the charge on the plates b) decrease the poten5al between the plates c) increase the potential between the plates d) introduce a dielectric material between the plates e) decrease the separation between the plates
Answers: 3
Physics, 22.06.2019 17:40, honestty21
Which component of the earth’s atmosphere is decreased due to photosynthesis?
Answers: 1
Which of the following describes a comet? a. large objects (> 10 m) in space originating from a...
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