Two ladybugs sit on a rotating disk, as shown in the figure (the ladybugs are at rest with respect to the surface of the disk and do not slip). Ladybug 1 is halfway between ladybug 2 and the axis of rotation.
Our Sun rotates about the center of our Galaxy (mG≈4×1041kg) at a distance of about 3×104 light-years
A 22000 kg subway train initially traveling at 10.0 m/s slows to a stop in a station and then stays there long enough for its brakes to cool. The station’s dimensions are 65.0 m long by 20.0 mwide by 12.0 m high.
If a feather is dropped from a height, would its apparent weight be equal to its true weight or zero as in weightlessness.?
If matter consists of inanimate objects how is it that these inanimate objects are responsible for becoming alive?
Do spherical objects with the same radius, but with diferent densities fall with the same speed and acceleration?
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