the asteroid belt contains many objects covering a large range of sizes and masses. of the choices listed, which accounts for more than half the mass of the asteroid belt?

Akg a of 55 m at an of 11 ? . if is at 98 km/h,be ?

What is the temperature in degrees celsius of a substance with a tempature of 49k

Abus travels 280km south along a straight path with an average velocity of 88km/h to the south. the bus stops for 24 min, then it travels 210 km south with an average velocity of 75 km/h to the south. how long does the total trip last?