Help with Physics!?

Posted on 2016-12-05 18:51:00 in Physics by KATHY

A 79.0 kg steel box (initially at rest) is packed with 6 cubs (lion kittens), each with a weight of 15.8 N. The box is on a table with a coefficient of friction of 0.510. 

This box is attached to two springs. One spring (k = 176 N/m) is stretched by a length of 35.0 cm and attached to the right side of the box. The other the spring (k = 320 N/m) is attached to the left side of the box and compressed a distance of 13.0 cm. 

At the same time a flock of puppies (who want to eat...er..play with...the juicy kittens) are pushing on the right side of the box with a force of 960 N. To make matter worse (for you...because you've got to solve this monstrosity) 23 mini rocket balloons are attached to the box, each of which apply an upward 1.0 N force on the box. 

Find the magnitude of the initial acceleration when the box is released. Oh...and this is all being done on the moon. (mass = 7.348 x 1022 kg; radius = 1737 km)

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