Answer:
Explanation:
One prolonged blast every two minutes is an indication of incoming of a power-driven vessel underway. This blast is done to make aware other boats, about your location, in the conditions of poor visibility. The other boats will have to slow down their speed, in order to avoid collision.
Answer:
D
Explanation:
Increasing its height to twice its original value
Field lines become straight and perpendicular because every point of circular loop the concentric circles become larger and larger as we move away from the wire.
Answer:
I don't have the answer but...
Explanation:
A variable is a quantity that may change within the context of a mathematical problem or experiment. Typically, we use a single letter to represent a variable. The letters x, y, and z are common generic symbols used for variables.
Answer: A.E.
Explanation: To understand the distinction between mass and weight and to be able to calculate the weight of an object from its mass and Newton's law of gravitation. The concepts of mass and weight are often confused. In fact, in everyday conversations, the word "weight" often replaces "mass," as in "My weight is seventy-five kilograms"
