A ball is at rest on the ground. A boy kicks the ball. The boy's boot is in contact with the ball for 0.0405 The average force on the ball is 200N The ball leaves the boys boot with a speed of 20mis Which row gives the impulse of the boot on the ball and the average acceleration of the ball? impulse on ball Ns averagn acceleration of ball W m/s A 8 8 500 5000 D 5000 500 Ов​

The atoms in a sidewalk on a hot summer day are vibrating the atoms in the sidewalk on a freezing day in winter. a. more rapidly than b. more slowly than c. at the same speed as

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 atomic model was proposed as a result of j. j. thomson’s work?