Tuesday 19 March 2013

What minimum speed does a 100g puck need to make it to the top of a frictionless ramp ?

What minimum speed does a 100g puck need to make it to the top of a frictionless ramp that is 3.0m long and inclined at 20 degree?

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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