1. Summarize What are the four conditions of a

purely competitive market?

Work in the amount of 280 J is done in lifting an object a distance of 4.0 m in a time. How much force did it take to lift the object?

Which piece of lab equipment measures mass

An obiect of mass weighing 5,24 k acceleration due to gravity is 9 8 meters/second2 is raised to a height of 1.63 meters. What is the potential energy of the object at that height? Note that rgy of the object at that height?

As a mercury atom absorbs a photon of energy, an electron in the atom changes from energy level d to energy level e. Determine the energy of the absorbed photon in electronvolts.

A cylinder is rotating about an axis that passes through the center of each circular end piece. The cylinder has a radius of 0.0700 m, an angular speed of 88.0 rad/s, and a moment of inertia of 0.850 kg · m2.

A. 105-kg hockey puck is moving at 49 m/s is caught by a 75-kg goalie at rest. With what speed does the goalie slide on the ice?

A rocket is fired at 100 m/s at an angle of 37, how many seconds is it in the air?

How many miles away is the sun to the earth?

The density of paper is 1.20 g/cm3. what is the mass of the paper in a notebook that is 76 mm thick, 215.9 mm wide, and 279.4mm long? express your answer in significant digits.

On a frictionless surface, a 32 kg student pushes a 43 kg student. If the 32 kg student slides back at 2.4 m/s, how fast will the 43 kg student be sliding and in what direction?