February 19, 2017

Homework Help: Physical Science

Posted by Audriana on Wednesday, August 7, 2013 at 7:31pm.


If you ride your bike at an average speed of 4km/h and nee to travel a total distance of 28 km, how long will it take you to reach your destination?

A small dog is trained to jump straight up a distance of 1.2 m. How much kinetic energy does the 7.2-kg dog need to jump this high? ( the acceleration due to gravity is 9.8 m/s^2

As 390 g of hot milk cools in a mug, it transfers 30,000 J of heat to the environment. What is the temperature change of the milk? The specific heat of the milk is 3.9 J/g*C.

I Need to Be able to show all my work

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