A 320 kg rocket sled can be accelerated at a constant rate from rest to 1300 km/h in 2.2 s. What is the magnitude of the required net force?

yup its correct its: c) b b

energy can be converted from one form to another, but it cannot be created or destroyed in ordinary chemical or physical means. do not understand what you are asking but hope this

radial fractures in a piece of glass look most like which of the following?

a. spokes of a wheel

b. a circle

c. a zig zag

d. none of the above

the correct answer is a. spokes of a wheel

hope this (: