A 20 kg box is moving toward you with a velocity of 5m/s. You push it with a force of 10 N for 20 seconds. a) Draw a force diagram for the box

b) Calculate the acceleration the box experiences

c) Calculate the velocity of the box after20s

d) Draw a position-time, velocity-time,

acceleration-time graph for the box

Explain how plate tectonics have changed earth’s surface over time. include the role of plate tectonics in the creation of landforms.

Anton created a chart listing different types of materials.which best complete the chart? (a)x: copper y: glass(b)x: rubber y: copper(c)x: paper y: silicon(d)x: silicon y: glass

A30 kg weight lies on top of a massless piston of area a = 0.01 m2 the exterior air is at a (constant) p =1 atm and t = 27 c. the interior gas is 0.4 moles of (ideal) n2 and it has initial temperature 27.00 degrees c. 1. what is the initial pressure in the interior? a. 29.4 kpa b. 130.7 kpa c. 101.3 kpa the next three questions concern what happens when an amount of heat q is slowly added to the interior, raising the piston by 1 mm and raising the interior temperature to 27.40 c