A ball is thrown upwards from a tower 20 meters above the ground. Given that the ball hit the ground 4 seconds after it was thrown. 1. A. What is the maximum height from

A10 kg box initially at rest is pulled 18 meters across a horizontal, frictionless surface by a 40 n force. what is the block’s final velocity over the 18 meters?

3. a lunar exploration vehicle was created by a research team. it weighs 3,000 kg on the earth. it needs an acceleration of 10 m/s2 on the moon. in order to have the same acceleration, what will be the net force acting on the vehicle on the earth?

Another word for electromagnetic energy is a. heat b. force c. matter d. radiation