A 2. 5 kg block is launched along the ground by a spring with a spring constant of 56 n/m. The spring is initially compressed 0. 75 m. Disregarding friction, how fast will the block move after the spring is released all the way and the block slides away from it?.

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Certain gases in air are important natural resources that are used in welding. two of these gases are a. oxygen and argon b. hydrogen and fluorine c. chlorine and sulfur dioxide d. nitrogen and carbon dioxide

Mason drew the cladogram shown. i give the brainliest which statements best describe the cladogram? check all that apply. reptiles are the most primitive. birds and reptiles are most closely related. frogs are more closely related to fish than birds. frogs are more closely related to birds than fish. fish are the most primitive.