Q. A constant horizontal force a pushes a 4.40kg FedEx package across a frictionless floor on which a xy coordinate system has been drawn. The package's x and y velocity components versus time t. What are (a) magnitude and (b) direction of a? Give the direction as a positive or negative angle of magnitude less than 180° relative to +x-axis.
Q. A worker is to paint walls of a square room 8.050 ft high and 12 ft along each side what surface area in square meters should to she cover?