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

Describe what happens when u mix hot water with cold

Which is greater, the gravitational force between earth and the moon, or the force between earth and the sun?

An alarm clock is set to ring for a total of 1.00 minute It is placed on a spaceship moving at 0.6 c According to Mission Control on Earth, the alarm clock rings for: A) 0.60 min B) 0.64 min C) 0.80 min D) 1.00 min E) 1.25 min

Why is the following situation impossible? A student's dormitory room measures 3.7 m by 3.7 m, and its ceiling is 2.6 m high.

How does the media restrict what is discussed in the pubic sphere

Stephen can push with 200N of force on a couch. If the couch has a mass of 20 kg, how much acceleration will the couch have?

Which devices might use electromagnets? pick all that apply. 1. audio speakers 2. plastic combs 3. trains 4. doorbells 5. revolving chairs 6. cranes

Match each type of line or symbol, common to geologic maps, to its description. 1. Fault Line A. very dark and thick line 2. Contact Line B. very light and thin line 3. Axis Fold C. look like a stubby T 4. Strike and Dip D.

You drop your backpack out of a window from a height of 8.3 m. What is the impact speed of your backpack? A. 163 m/s B. 1.2 m/s C. 21.3 m/s D. 12.8 m/s

What is the kinetic energy of a car that has a mass of 1,600 kg and is moving at 22 m/s?