A car travels along a straight road to the east for 100 meters in 4 seconds, then has to turn around
and goes back west for 50 meters in 1 second.
Determine average speed and average velocity.

Porque crees que el agua no podia subir mas de 10 m de altura con ese tipo de bomba

In a vernier instrument the main scale is in 1/2 mm divisions .vernier is made by redividing 19 such divisions into 20 equal parts. calculate the least count of the instrument.

Will give brainliest! jay rides his 2.0-kg skateboard. he is moving at speed 5.8 m/s when he pushes off the board and continues to move forward in the air at 5.4 m/s. the board now goes forward at 13 m/s.a. determine jay’s mass.b. determine the change in the internal energy of the system during this process.(express your answer to two significant figures and include the appropriate units.)