Gemma was hiking for 2 1/2 a hour for 3 hours so u have to multiply 2.5 by 3 and that gonna equal 7.5 so u leave that alone and come back to it later so u get 11 3/8 minus 7.5 and it gonna equal 3 7/8 and I hope that helped you
Answer:
717.8 inches
Step-by-step explanation:
Answer:
Work done = 1.69 lb-ft.
Step-by-step explanation:
Work required to stretch a spring 2 feet beyond its natural length W = 12 ft-lb
By Hook's law
12 =
12 = 2k
k = 6 lb per feet
Now we have to find the work done to stretch the spring 9 inch or feet beyond its natural length.
We again use the Hook's law.
lb-ft
Therefore, work done to stretch the spring 9 in. beyond the its natural length will be 1.69 lb-feet.