thankfulforwhydontwe thankfulforwhydontwe
  • 04-04-2021
  • Mathematics
contestada

Please help I really need help thank youu

Please help I really need help thank youu class=

Respuesta :

cairde
cairde cairde
  • 04-04-2021

Answer:

B. 3.34s

Step-by-step explanation:

Find t when the object hit the ground, h(t)=0.

h(t)=-16t²+178

0=-16t²+178

16t²=178

t²=11.125

t=√11.125=3.33541601603s

Answer Link

Otras preguntas

Why Do Hazel Eyes Change Color?
Which idea is an essential part of capitalism? A.Businesses and people own their property. B.People can vote for their leaders. C.Business and industry are c
A car accelerate from 0 to 20 m/sec in 10 seconds. Calculate the acceleration
Why is the U.S. economy sometimes referred to as a modified free enterprise system?
Which reactants form the salt CaSO4(s) in a neutralization reaction? (1) H2S(g) and Ca(ClO4)2(s) (2) H2SO3(aq) and Ca(NO3)2(aq) (3) H2SO4(aq) and Ca(OH)2(aq) (4
Solve for x. Y=mx + b Answer choices: X=ym-b X=ym+b X=y/m+b X=y-b/m
if there are 14 chromosomes in pea plant cells,how many chromosomes are present in a sex cell of a pea plant?
A compound has a molar mass of 90. grams per mole and the empirical formula CH2O. What is the molecular formula of this compound? (1) CH2O (3) C3H6O3 (2) C2H4O2
Which element is present in every organic compound? (1) carbon (3) nitrogen (2) fluorine (4) oxygen
Lithium and potassium have similar chemical properties because the atoms of both elements have the same (1) mass number (2) atomic number (3) number of electron