10-06-2015
Mathematics

Answered

A ball is dropped from a treetop 64 feet above the ground. How long does it take to hit the ground? (s = 16t2)

Answer :

Annette15 Annette15

10-06-2015

0 = -16t² + 0t + 64

16t² = 64 (Divide by 16)

t² = 4

t = 2

It takes 2 seconds.

Hope this helps

Answer Link

Other Questions

Calculate the density of a rectangular metal bar that is 700 cm long 400 cm wide and 100 cm thick and has a mass of 352 g is

Simplify 04 to the third power

What is the part of speech of the underlined word in the sentence The weather was muggy A verb B preposition C adverb D adjective wass underliend d

Why has wind erosion shaped so many landforms in the American Southwest

which factors caused crops to stop growing in Sumer choose all correct answers that are correct A extended droughts B pest infestations C poor drainage D salty

What is at the base of all ecology pyramids

In the second stanza of The SnowStorm how does Emerson describe the north wind to readers A He explains that the wind lasts only a short time B He contrasts the

What is 5 over20 by simplifying fraction

Which word correctly completes the sentence shoes are these in the middle of the kitchen floor A Whos B Whose C Whose

Assess the impact of the Truman Doctrine and Marshall Plan on the development of the Cold War between 1947 and 1961