1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Alexeev081 [22]
3 years ago
11

Help with this question ASAP!

Mathematics
1 answer:
user100 [1]3 years ago
4 0

Answer:

After 4s

Step-by-step explanation:

Given the ball is initially projected upwards with a velocity of 64ft per sec and we are required to find the time at which it reaches the ground .There are many approaches to solve this problem we will follow this one:

It is also known as the time of flight for the ball which can be found by doubling the time taken for the ball to reach to its maximum height or the point where velocity is zero.

Now h(t)=-16\times t^{2} +v_{0} \times t+h_{0}

For the time taken to reach the max height \frac{dh}{dt} =0.

Which implies that -32t+v=0.

∴Time taken to travel halfway through the path =2sec.

∴total time =2\times 2=4sec

You might be interested in
Two vertices of a right triangle have coordinates (3, 7) and (3, 10). The segment that connects these points is a leg of the tri
nordsb [41]

Answer:

NOYHING

Step-by-step explanation:

GIVE UP

6 0
3 years ago
Read 2 more answers
A wheel has a radious of 50cm. How many times would the wheel go around if it rolled for 10km
Zinaida [17]
First you must make sure all measurements are in the same value: You can choose either cm or km

Distance = 1,000,000 cm or 10 km

Radius = 50 cm or 0.0005 km

Distance/(2πR)

1,000,000/(2π*50)

1,000,000/314.059…….

Approx = 3183.1 Rotations
6 0
2 years ago
Given the formula y = -1/2x - 4, what is the slope and y-intercept of the graph? PLEASE HELP!​
svet-max [94.6K]

Answer:

the slope is -1/2 and the y-intercept is -4

Step-by-step explanation:

The original formula is y=mx+b. m is the slope of the graph and b is the y-intercept. You just plug in the numbers to the original formula to get the formula for the graph. The slope is always the number that is right next to the x, or the number which is multiplied by the x. The y-intercept is always the number that is not by x.

8 0
3 years ago
Electric & energy energy answer sheet
elixir [45]
Hi what is your question
6 0
3 years ago
Cedric can swim a lap in 23 and 3/5 seconds. Jason can swim a lap in21.4 seconds. How much faster can Jason swim in a lap than C
Setler79 [48]
Jason swims 2.2 seconds faster than cedric
6 0
3 years ago
Read 2 more answers
Other questions:
  • When an equation uses addition, the variable can be solved by the opposite process - subtraction.
    8·1 answer
  • The graph shows the processing speeds of computers as a function of time since 1980.
    12·1 answer
  • Whats the answer please​
    13·2 answers
  • What properties allow transformations to be used as problem-solving tools​
    8·1 answer
  • What happens when you subtract a fraction with the same denominators and numerators
    12·1 answer
  • A boat rental company offers two different rental packages. The first rental package costs $45, plus $29.50 per hour. The second
    9·1 answer
  • Evaluate 8x when x = 3.12​
    15·1 answer
  • Y = r + 1<br> 4y = 40 + 4
    8·2 answers
  • HELp me pleaseeeeeeeeeeeeeeee
    6·1 answer
  • Ause
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!