Homework

Well I know there are some people that are in advanced science, and this is only basic.

1.I dont have my Science Book and my HW is due tomorrow. Sheet.

2.What is a reference point?

3.Why is an object's speed sometimes better expressed as an average?

4.WHat is the equation you can use to determine speed?

5.To really describe an object's motion, you need to specify both _______ and ______. This is called ________.

6.Describe how an object could have constant velocity.

7.Two cars are traveling on I-35. One is going towards Des Moines, Iowa, the other is going towards Dallas, TX. Both cars are traveling 70 mph. Do the cars have the same velocity? Yes or no. Explain your answer.

8.The runner traveled 10 miles in 1&1/2 hours. What was his average speed?

9.It is 210 miles from Kansis City to Lincoln. It takes MIss Harvey 3 hours to travel home. What is her average speed?

10.In order to get to Lincoln, miss harvey travles north on I-29 for 150 miles. She then travels west for 60 miles on Hwy 2. Does she have constant velocity? How do you know?

11.The mousetrap car traveled 45 meters at a speed of 3 meters per second (3m/s) How much time did it take the car to do this?

I can probably get a few but the ones ill have trouble with is 7-11.

The reason is, well im not that good at math. IF you can help id love it. If not..Well most of you hate me so i dont expect anything, just wanting some help.