Answer:
Tension in string equals 14.715 Newtons
Explanation:
The situation is represented in the figure attached below:
For equilibrium of the clothes along y- axis we have

Applying values we get

Try B, it seems correct. I’m very sorry if i’m incorrect.
Because when you spill water on it, the reflection comes from the surface of the water, not the ground glass.
Answer:
nothing will happen the cart will be broken or as it is
Answer:
The constriction in the thermometer is to prevent the mercury from dropping back to the bulb when the reading is being taken. ... It prevents the thermometric substance (Mercury or Alcohol) from running back into the bulb.
Explanation: