Abody is at aheight of 81m and is ascending upwards with a velocity of 12m/s .a body of 2 kg weight is dropped from it. if g=10m/s^2.the body will reach the surface if earth in how much time.

In a laboratory, nakisha mixes sodium hydroxide solution with an indicator called phenolphthalein. when combined, they create a pink solution. nakisha wonders if mixing other solutions with phenolphthalein will also create this pink color. how could she use the scientific inquiry process to explore it further?

The consumption of fossil fuels could be

Will mark as brainliest how does a catapult increase the trajectory of an object? ps. answer as if u were a 5th grader