What is the net force acting on a 7.0 kg object that has a velocity of 26 m/s and is moving in a circle of radius 1.4m?

Find the dimensions and area of the largest rectangle that can be inscribed in the upper half of the ellipse. (give your answers in terms of a and b. enter the dimensions as a comma-separated list.)

Diego kicks a soccer ball from the end line. his fellow students time and mark the soccer ball as it moves down the field. the graph represents the ball's progress. based on the graph, during what time is the velocity constant and positive?

How do cracks affect the rate of weathering?