Thursday, 14 February 2013

What is the total distance travelled for an accelerating automobile?

An automobile accelerates from rest at 2.6m/s^2 for 18 sec. The speed is then held constant for 15 sec, after which there is an acceleration of -2.9m/s^2 until the automobile stops.
What is the total distance travelled?

What is a VPN?


VPN is (Virtual Private Network) were first used by companies to enable their employees to securely access internal systems such as email remotely (e.g. from home or while on business trips). Today they are increasingly being used for personal use by individuals to protect their privacy while online in public places (e.g. when using the wi-fi connection in a cafe) or in a country where the internet is censored / blocked (e.g. China, Saudi Arabia…).

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