Which is the best definition of wind?

A.

the vertical movement of air

B.

the horizontal movement of air

C.

the westerly movement of air above the Earth's surface

D.

the movement of air between two objects that are in contact

You inflate a front tires on your car to 22 psi. Later, you measure your blood pressure, obtaining a reading of 127/61, the readingbeing in mm Hg.

Why does a cheetah run really fast?

A body is at aheight of 81m and is ascending upwards with a velocity of 12m/s. a body of 2 kg weight is dropped from it. if g=10m/s^2. the body will reach the surface if earth in how much time.

On another planet, a morble is released from rest at the top of a high cliff. It falls 4.00 m in the first 1 s of its motion. Through what additional distance does it fall in the next 1 s? (a) 4.00 m (b) 8.00 m (c) 12.0 m (d) 16.0 m (e) 20.0 m

Two violin strings are tuned to the same frequency, 277 Hz. The tension in one string is then decreased by 1.92 percent. What will be the beat frequency heard when the two strings are played together?

A plane accelerates from rest at a constant rate of 5.00 m/s2 along a runway that is 1800 m long. Assume that the plane reaches the required takeoff velocity at the end of the runway. a. What is the time tTO needed to take off? b.

Materials that are poor conductors of thermal energy are called ... Materials that are good conductors of thermal energy are called ...

How long does it take to travel a light year?

What indicates a vector's size? a. direction b. magnitude c. slope d. speed

Light, dry snow is called powder. Skiing on a powder day is different than skiing on a day when the snow is wet and heavy.