Math
Yes what I meant is that it decreased 1/4 of every its impact, so therefore the answer would be 60 mph after first impact.
Math
A rubber ball is thrown straight down from a height of 244 feet at speed of 80 feet per second. If the ball always rebounds with one-fourth of its impact speed, what will be the speed of the ball the third time it hits the ground? My Answer is: 1/4*80=60 1/4*60=45 1/4*45=33.75...
Math
I have 5 tickets for a raffle and I know that the probability of my winning the prize is 0.003. How many tickets were sold altogether?
Math
A 15-g sample of radioactive iodine decays in such a way that the mass remaining after t days is given by m(t) = 15e^(−0.051t), where m(t) is measured in grams. After how many days is there only 3 g remaining?
6th grade math
How to figure if 60 cookies were baked and 7/12 were given away, how many are left?
chemistry
When 1988 J of heat energy is added to 47.5 g of hexane, C6H14, the temperature increases by 18.5 °C. Calculate the molar heat capacity of C6H14.
Physics
A laser beam is being shot through two different materials that have been stuck together. if theta 1 = 65.5 and theta 2 = 49.8 what is the index of refraction? (I got 1.2 which is correct) but cant get part 2 PART 2~ If the index of refraction of n3 is 3.6, what is the final a...
math
How do I find this integral using weierstrass substitution? 1/(9-4((sinx)^2))
math
How do I find this integral using weierstrass substitution? 1/9-4((sinx)^2)
Organic Chemistry
I am trying to figure out if I am correct about the solubility of 9-fluorenone in NaOH and diethyl ether and the solubility of benzoic acid in NaOH and diethyl ether 9-fluorenone is soluble in diethyl ether because it can hydrogen bond with water so it is soluble in the diethy...
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