Awoman and her dog are out for a morning run to the river, which is located 4.0 km away. the woman runs at 2.5 m/s in a straight line. the dog unleashed and runs back-and-forth at 4.5 m/s between his owner and the river, until she reaches the river. what is the total distance run by the dog?

River shore is located at distance

speed of the woman is given as

now the time taken by the woman to cover the distance is

for the same time interval the dog will run to and fro with speed 4.5 m/s

so the total distance moved by the dog is given by

so the total distance that dog will move is 7200 m or 7.2 km

the gas collects in coils that then becomes a liquid that then flows through the coils inside the refrigerator

the force on the thing and the distance the force moves the thing