A75 kg person walking around a corner bumped directly into an 80 kg person who was running around the same corner. the momentum of the 80 kg person.

Arod of some material 0.20 m long elongates 0.20 mm on heating from 21 to 120°c. determine the value of the linear coefficient of thermal expansion [in (degrees c)^-1] for this material.

Which body part transports oxygen removes waste materials in carries nutrients to the body as part of the circulatory system

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?