A small pellet of uranium dioxide is about the size of an eraser on a pencil and contains the energy equivalent of <u>a ton of coal</u>.
More about uranium dioxide:
The mineral uraninite naturally contains uranium dioxide, also known as uranium(IV) oxide (UO2), urania, or uranous oxide.
It is a black, radioactive, crystalline powder. It is a component of nuclear reactor fuel rods. MOX fuel is a blend of uranium and plutonium dioxides. It was employed as a black and yellow hue in ceramic glazes and glass before 1960.
The solid is isostructural with fluorite (calcium fluoride), having a cubic configuration with each U being surrounded by eight O nearest neighbours. When uranium dioxide comes into contact with carbon, it carbonises and produces carbon monoxide and uranium carbide.
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Similarly, L4 = 196 x 0.3/262 = 0.224m
L4 = 22.4cm
L5 = 20 cm
Answer:
It is because avoiding slamming the brakes will allow us to stop in a shorter distance as compared to the distance in which the vehicle stops if we slam the brakes.
Explanation:
When we apply the brakes in our vehicle by slamming them the car stops while sliding or we can say that the force that stops the car is the kinetic friction that sets up between the ground the tires of the car. While as when the wheels are turning as opposite to sliding the force that is involved in the deceleration of the car is the static friction. The force of static friction is greater than the force of kinetic friction as the coefficient of static friction between the tires of the car and the road is greater than the coefficient of kinetic friction. This larger force stops the car in a shorter distance.
