A man is running on the straightroad with the uniform velocity of 3m/s. Calculate acceleration produced by him.

acceleration =0 m/s^2

Explanation:

Acceleration is defined as the rate of change in velocity. If there’s no change in velocity, then the rate of change is zero, hence the acceleration is zero. The question says the man is running at a uniform velocity (i.e. he’s running at a steady speed in a fixed direction). This means his velocity is constant, or unchanging. Hence, his acceleration is zero.

Obviously everything I said in the above paragraph only concerns his horizontal velocity. To get even more specific, it only concerns the horizontal velocity of his centre of mass. Vertically, he is of course experiencing upward and downward downward acceleration due to how his feet push against the floor as he runs. And his limbs accelerate and decelerate as well, to allow him to run.

But looking at the man’s horizontal motion as a whole, and thinking of his motion as being entirely represented by his centre of mass, his acceleration is 0.

answer; enforce the rules;

1   all nations face the problem of scarcity because there are limited resources and unlimited wants. nations do not have enough factors of production to produce everything that their population wants. entrepreneurial resources initiate businesses to make new goods and services; labor resources produce goods and services.

2 there are four factors of production: natural resources, labor resources, capital resources, and entrepreneurial resources. natural resources are raw materials from nature that are used to produce goods. trees, water, and grains are natural resources. some natural resources, such as wheat and cattle, are renewable

3 wants

things that you do not need to have in order to survive, but would like to have

needs

things that you must have in order to survive

goods

physical products

services

tasks that a business perform for customers

resources

items that people can use to make or obtain what they need or want

determine

to settle or decide by choice of alternatives or possiblities

4 i really dont know