• ### Derivative of function?

An arrow is shot upward on a planet. Its height (in meters) after t seconds is given by h(t) = 60t– 0.6t^2. a.At what time will the arrow reach the top? b.With what velocity will the arrow hit theground?
An arrow is shot upward on a planet. Its height (in meters) after t seconds is given by h(t) = 60t– 0.6t^2. a.At what time will the arrow reach the top? b.With what velocity will the arrow hit theground?
Mathematics · 2 weeks ago
• ### Can we use static electricity to light a bulb?

I recently saw a video of two students holding a light bulb in one hand while rubbing their other hands to their clothes and when their hands touched the light bulb start glowing how is this possible??
I recently saw a video of two students holding a light bulb in one hand while rubbing their other hands to their clothes and when their hands touched the light bulb start glowing how is this possible??
4 answers · Physics · 2 weeks ago
• ### Solve the following equation X^3-x-1=0?

4 answers · Mathematics · 3 weeks ago
• ### How can I solve this without using derivatives?? http://i63.tinypic.com/wss1ol.png P.s: I couldn't upload a photo so I paste the url?

Mathematics · 4 weeks ago
• ### How can I solve this question without using derivatives? Limit[Sin[x]^2/(Cos[x] - Sqrt[Cos[2 x]]), x -> 1]?

Mathematics · 1 month ago
• ### How can I solve this question without using derivatives?

2 answers · Homework Help · 1 month ago
• ### How can I solve this question without using derivatives?

2 answers · Mathematics · 1 month ago
• ### Limit of function?

3 answers · Mathematics · 1 month ago
• ### Limit problem?

Is the way I tried to solve this question wrong?
Is the way I tried to solve this question wrong?
3 answers · Mathematics · 1 month ago
• ### Floor function problem?

1 answer · Mathematics · 1 month ago
• ### Limit of floor function: What is Limit x͢ 2- [x^5]?

1 answer · Mathematics · 1 month ago
• ### I am about to start calculus but I don't know wether I should start with limit or derivatives ?

2 answers · Mathematics · 2 months ago
• ### What is the mass percentage of a saccharose solution if 228 grams of it produces 72 grams of glucose after hydrolysis in acidic medium?

1 answer · Chemistry · 2 months ago
• ### Fructose enantiomers and isomers?

This pic shows the formation of sucrose and the shape of fructose here is completely different from what I saw before I thought that it might be alpha L fructose but sucrose is made from beta D fructose then why is the shape not showing beta D fructose?
This pic shows the formation of sucrose and the shape of fructose here is completely different from what I saw before I thought that it might be alpha L fructose but sucrose is made from beta D fructose then why is the shape not showing beta D fructose?
1 answer · Chemistry · 2 months ago
• ### Compare the solubility of C17H35COOH and C17H35COONa in ;a.Water b.Ether?

1 answer · Chemistry · 2 months ago
• ### What is the molarity of a 50 ml tartaric acid solution ofwhich 250 ml of 0.01 MNaOH is required to neutralize it?

1 answer · Chemistry · 2 months ago
• ### Starting from an aldehyde and by choosing appropriate reagent obtain trichloriethanal?

Chemistry · 3 months ago
• ### Oxidation of aldehydes?

When 1 gram of a mixture of formaldehyde - formic acid reacts with Tollens' reagent, Ag+ ions are reduced to Ag (metallic silver). In total, 5.4 grams of Ag metal are formed. What are the mass percentage of formic acid in the mixture?
When 1 gram of a mixture of formaldehyde - formic acid reacts with Tollens' reagent, Ag+ ions are reduced to Ag (metallic silver). In total, 5.4 grams of Ag metal are formed. What are the mass percentage of formic acid in the mixture?
2 answers · Chemistry · 3 months ago
• ### How to name the following compound?

1 answer · Chemistry · 3 months ago
• ### When 0.05 mol of a monoalcohol is burned, 2.2 gramsof CO2 is produced. How many liters of oxygen gas are used at STP?

1 answer · Chemistry · 4 months ago