He exerts a rightward force of 8.25 N on his 4.75kg sled to accelerate it across the snow. If the acceleration of the sled is 0.53 m/s^2 then what is the coefficient of friction between the sled and snow?

Zeros that follow non-zeros numbers and are also to the right of a decimal point are significant

How is coal extracted from mountaintop removal mines? a. dynamite is used to create underground tunnels where miners go to extract the coal. b. dynamite is used to break apart rocks and then draglines are used to remove the broken rock and reach the coal. c. coal in mountaintops is extracted by digging strips in the landscape to reach the coal. d. placer deposits in mountain river bottoms are removed by

Avolcano erupts next to a grassland area in a valley. a. describe three ways in which material released by the volcano could impact the grassland area. b. describe three ways in which the grassland ecosystem could recover after a volcanic eruption.