If each nuclear fission reaction in a nuclear power plant releases , what quantity of Uranium-235 must be consumed each day to keep a 350MW plant producing at capacity? Assume the power plant is 35% efficient.

A. 5.2kg
B. 1.8kg
C. 0.43kg
D. 1.2kg


D. 1.2kg

Physics & Space Science

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A projectile is launched with initial velocity v0 at an angle of 30° above the horizontal. If a second projectile is launched with the same initial velocity but at angle of 60° above the horizontal

A) The range of the second projectile will be twice that of the first. B) The range of the second projectile will be 1.41 that of the first. C) The range of the second projectile will be one-half that of the first. D) The ranges of the two projectiles will be identical. E) It is impossible to compare the ranges of the two projectiles.

Physics & Space Science

In a carnival ride, passengers stand with their backs against the wall of a cylinder. The cylinder is set into rotation and the floor is lowered away from the passengers, but they remain stuck against the wall of the cylinder

For a cylinder with a 2.0-m radius, what is the minimum speed that the passengers can have so they do not fall if the coefficient of static friction between the passengers and the wall is 0.25? A) 8.9 m/s B) 2.3 m/s C) 3.0 m/s D) 4.9 m/s E) It depends on the mass of the passengers.

Physics & Space Science

Which of the following is a weak base?

a. NH3 b. NaOH c. KOH d. Ca(OH)2

Physics & Space Science

When a freely falling object reaches its terminal speed,

a. it is still accelerating b. its acceleration is zero c. it is decelerating d. its acceleration cannot be determined

Physics & Space Science