An object is placed so that the image formed is a real image of the same size as the object. what is the position of the object?

Ineed with these last two questions: 1) what are two types of cold air masses that influence the weather in north america? name them and describe their humidity. 2) describe the motion of a cold air mass and a warm air mass and the weather you would expect at a warm front and an occluded front.

A2.35 water bucket is swung in a full cirlce of radius 0.824 m just fast enough so that the water doesn't fall out the top meaning n equals zero there. what is the speed of the water at the top

Match the type of fitness with the correct example. 1.an exercise that stretches your back 2.lifting a heavy object 3.a fast walk in the park 4.a jumping exercise that makes you breathe hard 5.touching your toes 6.moving heavy bags 7.running 3 optional answer for each question- cardiovascular fitness, flexibility, muscular fitness -