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

HELP WITH THESE PLEASE!

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

## Answer this Question

## Related Questions

- science - if you ride a bike an average speed of 4km/h and need to travel a ...
- Math - Jordan starts at his home and bikes along a country road. He bikes at a ...
- physics - sarah ride her bike at an average spped of 6m/s. how long does it take...
- physics - A bike racer is riding his new bike at Silverstone. The track is 4km ...
- Physics - A bike racer is riding his new bike at Silverstone. The track is 4km ...
- english - Do you know when to ride a bike? Do you know when you should ride a ...
- physics - a bike racer is riding on his new bike at silverstone. The track is ...
- physical science - the average speed of sound in water is 1500 m/s. how long ...
- physics - You are going for a bike ride. You ride down a straight road at a ...
- Math - You ride your bike at an average speed of 8 miles per hour.how many miles...