Vision Problems: Farsightedness can usually be corrected with

A. converging lenses.
B. diverging lenses.
C. convex mirrors.
D. cylindrical lenses.
E. concave mirrors.


Answer: A

Physics & Space Science

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Grass growing in a field is eaten by a deer. Later on, the deer dies and its body is decomposed, in part, by bacteria. Which organism(s) are consumers?

a. grass only b. deer only c. bacteria only d. grass and bacteria e. deer and bacteria

Physics & Space Science

A projectile is projected from the origin with a velocity of 30.0 m/s at an angle of 40.0 degrees above the horizontal. What is the time it takes the projectile to reach maximum height?

A. 2.66 s B. 2.23 s C. 1.97 s D. 1.54 s E. 1.02 s

Physics & Space Science

____________________ is a measure of the amount of energy due to the motion of the particles in a gas, liquid, or solid

Fill in the blank(s) with correct word

Physics & Space Science

A rigid object is rotating with an angular speed w > 0. The angular velocity vector w and the angular acceleration vector a are anti-parallel. The angular speed of the rigid object is

1.clockwise and increasing. 2.clockwise and decreasing. 3.counterclockwise and increasing. 4.counterclockwise and decreasing.

Physics & Space Science