if person walks 10 muted used in 10 seconds 10 metre due east in next 10 seconds and 10 dual not in next 10 seconds then he has dash velocity

How many molecules are present in 3 mols of silicon dioxide (sio2)?

The particles that are found in the nucleus of an atom are

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?