Agroup of students is investigating whether the smoothness of surface affects the force of friction. each student pushes a book on two different surfaces. one surface is ice and the other is concrete. the distance traveled by the book on each surface is shown. experimental observations student 1 student 2 student 3 student 4 distance traveled by book on ice 23 cm 21 cm 24 cm 22 cm distance traveled by book on concrete 15 cm 18 cm 16 cm 17 cm based on the table, which conclusion is correct about the average distance traveled?

If the new moon happens on january 15th, what shape will it be on february 6th?

Aprotein molecule in an electrophoresis gel has a negative charge.the exact charge depends on the ph of the solution, but 30 excesselectrons is typical. what is the magnitude of the electric forceon a protein with this charge in a 1500 n/c electric field?

Use the library or internet to research each planet. make a chart comparing the following: approximate surface temperature relative surface gravity compared to earth atmospheric gases water in any form: solid, gas, or liquid when you have completed your chart, use the information you have collected to answer the following questions: which is the hottest planet? which is the coldest planet? which planet's temperature is closest to that of earth? (note: water boils at 100°c/212°f. water freezes at 0°c/32°f) which planet has the greatest gravitational attraction? which planet has the least gravitational attraction? which planet's gravitational pull is closest to that of earth? do any of the planets have oxygen in their atmosphere? which planet's atmosphere most resembles that of earth? do any of the planets have flowing water? which planet's water resources (solid, gas, or liquid) might be close to the amount on earth? which planet most resembles earth in terms of all of the factors: temperature, gravity, atmosphere, and water? if earth became an uninhabitable planet, which planet do you think would be the next best to live on? explain your answer.