What would it be like to walk across ice bridge ? How is it different to walk on ice bridge instead of a typical bridge ? Why do you think this is ?

The experiment done in lab is repeated, using a ball that has unknown mass m. you plot your data in the form of f 2 versus m/l, with f in rev/s, m in kg, and l in m. your data falls close to a straight line that has slope 3.19 m/(kg · s2). use g = 9.80 m/s2 and calculate the mass m of the ball.

An object in mechanical equilibrium is an object

Complete the sentence to describe the law of conservation of energy. the law of conservation of energy states that energy cannot be created