Answers: 2
Physics, 21.06.2019 19:40
Ogleβ2013βblgβ0723 is an exoplanet that is similar to earth in size and proximity to its star. this exoplanet has mass m=4.18Γ1024kg and radius r=5.66Γ106m. 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 ogleβ2013βblgβ0723. c. calculate wp? , the weight of the astronaut on the surface of ogleβ2013βblgβ0723. d. calculate v, the minimum velocity required to put an object into orbit above ogleβ2013βblgβ0723. e. calculate t, the time required to complete an orbit around ogleβ2013βblgβ0723.
Answers: 3
Physics, 22.06.2019 04:30
Asystem containing an ideal gas at a constant pressure of 1.22Γ10^5 pa gains 2140 j of heat. during the process, the internal energy of the system increases by 2320 j. what is the change in volume of the gas?
Answers: 3
Physics, 22.06.2019 12:30
Cathy is pedaling down a steep hill on her bicycle and wants to be able to coast up the next hill, which is 25 meters high, without pedaling. cathy and her bicycle have a mass of 75 kg. assuming her bicycle is 100% efficient, what would her speed have to be?
Answers: 3
Physics, 22.06.2019 18:10
A200-n force is applied to the foot-operated air pump. the return spring s exerts a 2.6-nΒ·m moment on member oba for this position. determine the corresponding compression force c in the cylinder bd. if the diameter of the piston in the cylinder is 40 mm, estimate the air pressure generated for these conditions. state any assumptions. enter a positive number for the compression force c.
Answers: 2
a jeep start from the state of rest .if ots velocity became 60km/hr in 15 min. (i) what is the accel...
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