THE MASS AND WEIGHT OF A BOX IS 25 Kg & 245 N RESPECTIVELY WHEN ON EARTH. what is the value of mass and weight of the box when it is brought to the moon ??? help this is due in like 5 freaking minutes im going to evaporate myself

Atrain is traveling at 30.0 m/s relative to the ground in still air. the frequency of the note emitted by the train whistle is 262 hz. the speed of sound in air should be taken as 344 m/s. what frequency (f approach) is heard by a passenger on a train moving at a speed of 18.0 m/s relative to the ground in a direction opposite to the first train and approaching it? what frequency (f recede) is heard by a passenger on a train moving at a speed of 18.0 m/s relative to the ground in a direction opposite to the first train and receding from it?