Long lasting is thought important for sustainable development because it suggest the target of economic and sustainable development without displacing means and resources of the earth.
Explanation:
Hope it helps you................
Plz mark as brainlist answer
Answer:
Pencil is to pen
Step by step explanation:
They are similar items, as they are both tools, but are different as to how they function.
Answer:
What is kinetic friction?
Kinetic friction is defined as a force that acts between moving surfaces. A body moving on the surface experiences a force in the opposite direction of its movement.
What causes it?
When the mass is not moving, the object experiences static friction. The friction increases as the applied force increases until the block moves. After the block moves, it experiences kinetic friction, which is less than the maximum static friction.
What does it generate?
When surfaces in contact move relative to each other, the friction between the two surfaces converts kinetic energy into thermal energy (that is, it converts work to heat). This property can have dramatic consequences, as illustrated by the use of friction created by rubbing pieces of wood together to start a fire.
Answer:
The distance by which the spring stretches is 1.48 cm.
Explanation:
Given that,
An object on a vertical spring oscillates up and down in simple harmonic motion with an angular frequency of 25.7 rad/s, 
We know that angular frequency in SHM is given by :
When the object is allowed to hang stationary from it, the force due to spring is balanced by its weight. Such that :
From equation (1) :
So, the distance by which the spring stretches is 1.48 cm.
