Two stones, a and b, are thrown horizontally from
the top of a clift. stone a has an initial speed of 15
meters per sccond and stone b has an initial speed of
30 meters per second. compared to the time it takes
stone a to reach the ground, the time it takes stone
b to reach the raund is
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Ответ:
Answer
Mass (1024 kg)4.86755.97240.815
Volume (1010 km3)92.843108.3210.857
Equatorial radius (km)6051.86378.10.949
Polar radius (km)6051.86356.80.952
Volumetric mean radius (km)6051.86371.00.950
Ellipticity (Flattening)0.0000.003350.0
Mean density (kg/m3)524355140.951
Surface gravity (eq.) (m/s2)8.879.800.905
Surface acceleration (eq.) (m/s2)8.879.780.907
Escape velocity (km/s)10.3611.190.926
GM (x 106 km3/s2)0.324860.398600.815
Bond albedo0.770.3062.52
Geometric albedo0.6890.4341.59
V-band magnitude V(1,0)-4.38-3.99-
Solar irradiance (W/m2)2601.31361.01.911
Black-body temperature (K)226.6254.00.892
Topographic range (km)13200.650
Moment of inertia (I/MR2)0.330.33080.998
J2 (x 10-6)4.4581082.630.004
Number of natural satellites01
Planetary ring systemNoNo