a crane lifts a pallet of concrete blocks 7 ft from the back of the truck . the truck driver away and the crane lowers the pallet 12ft what is the final position of the pallet relative to where it started in the back of the truck?

4 ft down as per the image attached.

5 ft down as per the question statement.

Step-by-step explanation:

Given that:

A Pallet of concrete blocks is at the back of a truck.

The pallet is lifted by the crane to a height of 8 ft (as per image attached ) or 7 ft (as per question statement) and then the truck moves forward.

Now, the pallet is lowered down to a distance of 12 ft.

To find:

The final position of the pallet relative to the position from the back of the truck?

Solution:

If we closely look at the figure attached, it can be interpreted that the pallet is taken 8 feet above and then 12 feet down.

Therefore, if we subtract 8 feet from 12 feet, we will have our answer.

So, the position of the pallet with respect to its position in the truck is =

12 ft - 8 ft = 4 ft down.

If we consider the question statement:

12 ft - 7 ft = 5 ft down

your answer is #3 , 8 - 3 square root of 11