A good alternative to sit ups is

A. Crunches

B. Leg Raises

C. Side Twists

You notice a very one-dimensional-thinking snail crawling along one rail of a railroad track. naturally, you remove it to a safer place. but before you do, you observe it as it moves from position xi = -92.9 cm to position xf = -64.9 cm along the rail, as measured from a point where one rail abuts the next. what is the snail\'s displacement δx in centimeters?

If the ama of the inclined plane below is 2, calculate the ima and efficiency. ima = efficiency =

What is the weight of a feather (mass = 0.0001 kg) that floats through earth's and the moon's atmospheres?