The voyager i spacecraft has traveled farther than any other man-made object, and in august 2012 it entered into interstellar space when it was a distance of 1.8 x 10^13 m from earth.

how many hours elapse between the time a command is sent from earth and the time the command is received by voyagerwhen it entered interstellar space? express your answer using two significant figures.

The position of a dragonfly that is flying parallel to the ground is given as a function of time by r⃗ =[2.90m+(0.0900m/s2)t2]i^− (0.0150m/s3)t3j^. a: at what value of t does the velocity vector of the insect make an angle of 34.0 degree clockwise from the x-axis? b: at the time calculated in part (a), what is the magnitude of the acceleration vector of the insect? c : at the time calculated in part (a), what is the direction of the acceleration vector of the insect?

True or false: the cycle of seasons on the earth is caused by the tilt of the earth on its axis toward and away from the sun.

The plum pudding model of the atom states that ?