A 15kg box is pushed on a table with 20 Newtons of force. A frictional force of 5N opposes the motion of the box.
15kg
a) What is the net force acting on the box?
b) What is the acceleration of the box across the table?
c) What is the velocity of the box after 4 seconds if it started at rest at time Os?
d) How far did the box travel during those 4 seconds?
e) Sketch the graphs for velocity vs time, and position vs time for the first 5 seconds the
box is moving.

At what point the certain object feels zero garvitational force between earth and the moon. take the required information from the book.required: distance away from earth or moon

While goofing off at the ice skating rink, a student takes off her shoes and places each of them on the ice. her friend, a hockey player, then shoots a hockey puck at each shoe. the first puck immediately comes to rest after it collides with the left shoe. the second puck rebounds after it collides with the right shoe. if each hockey puck has the same incoming speed, which shoe has greater speed after the collision? the right shoe. both shoes have the same speed. the left shoe.

An object with a speed of 10 m/s is moving in a direction of 30 degrees above the positive x-axis. the y-component of its velocity vector is most nearly