A block of wood weighing 25 N is subrnerged under water. If the net force on the wood is 5 N upward, how much buoyant force is acting on the wood?

A) 30 N upward

B) 20 N upward

C) 5 N upward

D) 25 N downward

A stone is dropped from the upper observation deck of a tower, 950 m above the ground. (assume g = 9.8 m/s2.) (a) find the distance (in meters) of the stone above ground level at time t.

Which of the following is NOT true? a. The higher the moment of inertia, the greater the resistance to changes in angular velocity. b. The higher the moment of inertia, the slower something will roll down an incline. c.

Which of the following is an example of a push? A. Throwing a baseball B. Doing chin-ups C. Reeling in a fish with a fishing pole D. Opening a car door from the outside.

State the pressure law?

A toaster oven uses 67,500 joules of energy in 45 seconds to toast a piece of bread. What is the power of the oven?

An airplane in flight has a pressure difference between the lower and upper wing surface; this provides an upward force that balances the weight of the plane.

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Why does momentum have a direction?

What is the difference between weight and mass?

An object has a mass of 8.00 kg. What is the gravitational force on the object by the earth?