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When you sit still in a chair with your feet on the ground and your back pressing against the back of the chair, are the forces acting on you balanced? Explain.

The electrons can be modeled as forming a uniform shell of negative charge. What net electric field do they produce at the location of the nucleus?

If the angular momentum of an object increases, which of these could be true? A. the angular velocity of the object decreased. B. The mass of the object decreased. C. The momentum of inertia increased. D. The object's momentum of inertia decreased.

What do waves transfer from place to place? a) motion b) energy c) matter d) water

Which of the following best describes seamounts and islands of the deep ocean basins? a. huge granite batholiths intruded beneath the ocean floor b. domed gabbro intrusions and massive, submarine, rhyolitic, pyroclastic cones andesitic pyroclastic c.

explain how climatic shifts that are naturally occuring and not the result of some castrophic events like asteroid impact happen?

1. (a) The battery on your car has a rating stated in ampere-minutes which permits you to estimate the length of time a fully charged battery could deliver any particular current before discharge.

Com que rapidez estará sendo feito trabalho elétrico num resistor de 10 ohms, percorrido por uma corrente elétrica de 5 A? Qual a energia gasta no mesmo em 2 horas?

A current of 12 A flows for 20 minutes into an electric cooker. How much charge has the cooker used?

If thee is 30 degrees and the resultant force acting along the gusset plate id directed along the positive x axis, determine the magnitudes of f2 and the resultant force