Physics, 26.08.2019 15:50 miathegreat
In 2004 astronomers reported the discovery of a large jupiter-sized planet orbiting very close to the star hd 179949 (hence the term "hot jupiter"). the orbit was just 19 the distance of mercury from our sun, and it takes the planet only 3.09 days to make one orbit (assumed to be circular). what is the mass of the star? express your answer (a)in kilograms and (b)as a multiple of our sun's mass.
Answers: 1
Physics, 22.06.2019 12:50
Which changes would result in a decrease in the gravitational force btween two objects? check all that apply
Answers: 1
Physics, 22.06.2019 15:40
Apotter's wheel moves uniformly from rest to an angular speed of 0.20 rev/s in 32.0 s. (a) find its angular acceleration in radians per second per second. rad/s2 (b) would doubling the angular acceleration during the given period have doubled final angular speed?
Answers: 1
Physics, 23.06.2019 00:00
You are driving to the grocery store at 20 m/s. you are 110m from an intersection when the traffic light turns red. assume that your reaction time is 0.50s and that your car brakes with constant acceleration. how far are you from the intersection when you begin to apply the brakes? what acceleration will bring you to rest right at the intersection? how long does it take you to stop after the light changes? the known values: vi=20m/s xi=110m t=.50s vf=0m/s xf=0m a=?
Answers: 3
In 2004 astronomers reported the discovery of a large jupiter-sized planet orbiting very close to th...
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