Alfred is studying a substance that is made out of only one element. This means that

Many machines- including inclined planes such as ramps- increase the strength of the force put into the machine but decrease the distance over which the force is applied.

What would people living along the coast in south florida do if there was a hurricane warning? move to locations away from the water flock along coasts to watch the natural phenomenon buy instruments to predict the exact location of the hurricane measure water levels to know the exact time of the hurricane

Two cans on a sunny window one black and the other white construct and explanation of the effect of sun will have on both cans over a two hour period?