You are sledding with your friends and need to make a 48 kg sled travel at a speed of 9.0 m/s. However, you can only apply a maximum 280 N of force. How far do you have to push the sled before it reaches that speed? Assume a frictionless icy surface. Group of answer choices

14 m

0.77 m

1900 m

6.9 m

430 m

Aneutron and a proton combine to form a nucleus. why does the mass of the nucleus differ from the sum of the masses of the individual nucleons?

Asmall metal bar, whose initial temperature was 10° c, is dropped into a large container of boiling water. how long will it take the bar to reach 70° c if it is known that its temperature increases 2° during the first second? (the boiling temperature for water is 100° c. round your answer to one decimal place.) sec how long will it take the bar to reach 98° c? (round your answer to one decimal place.)

Which of the following harmful chemicals are found in tobacco smoke? a. carbon monoxide b. carbon dioxide c. nicotine b. carbon dioxide d. both a and c