A car is driven 15Km East for 12minutes before the road changes. The car is then driven south for 18minute calculate the average speed of the car

How many hydrogen (h) atoms are in one molecule of sulfuric acid, h2so4? (1 points) 1 2 4 7

An object moves from position +34m to the position -15m in 15 seconds. what is the total displacement? what is the total velocity?

1. explain how you calculate the net force in any direction on the box. 2. suppose an upward force of 15n is added to the box. what will be the net vertical force on the box? 3. what force could be applied to the box to make the net force in the horizontal direction zero? explain. 4. suppose a force of 25n to the right is added to the box. what will be the net force to the right?