< < < 7 ! and brainlistet ej is taking his little sister, ebony, on her first carousel ride. his mass is 75.0 kg, and her mass is 10.0 kg. they ride the same horse, and it is 11.0 meters from the center of the carousel. if their angular momentum is 14020 kg m2/s, what is their linear speed?

Amachinist needs to remove a tight fitting pin of material a from a hole in a block made of material b. the machinist heats both the pin and the block to the same high temperature and removes the pin easily. what statement relates the coefficient of thermal expansion of material a to that of material b? a) the situation is not possible, heating block b will shrink the hole in the material as the material expands with increasing temperatureb) material b has the same coefficient of expansion as does material ac) material b has a negative coefficient of expansion and a has a positive coefficient of expansiond) material a has a greater coefficient of expansion than does material be) material b has a greate

Asun-sized star will spend most of its lifetime as a: white dwarf red giant protostar main-sequence star

Acricket ball of 70g moving with a velocity of 0.5 m/s is stopped by a player in 0.5s what is the force applied to stop the ball