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
KATRIN_1 [288]
3 years ago
12

a manned rocket accelerates at a rate of 20 m/s2 during launch How long does it take the rocket reach a velocity of 400 m/s?

Mathematics
1 answer:
marshall27 [118]3 years ago
6 0

Answer:

Step-by-step explanation:

acceleration, a = 20 m/s^2

initial velocity, u = 0 since it starts from rest

final velocity, v = 400 m/s

v = u + at

400 = 0 + 20 t

400 = 20 t

t = 400 / 20

<u><em>t = 20 sec</em></u>

Hope this helps

plz mark as brainliest!!!!

You might be interested in
What is the area of the triangle
ehidna [41]

Answer:

45.1 km^2

hope this helps

have a good day :)

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
What is the value of x? <br><br> Enter your answer in the box.<br><br> X =
melamori03 [73]

Answer:

x=54

Step-by-step explanation:

2x + 2 = 3x - 52

subtract 2x from both sides, now u have:

2 = x - 52

add 52 from both sides, now u have

54 = x

7 0
3 years ago
Please help do not answer if u don't know it
AveGali [126]

Answer:

the answer is D

Step-by-step explanation:

3 0
3 years ago
Stefanie paid $9.00 in sales tax on a pair of sneaker that cost $120.00 before tax. If the rate of sales tax is the same. How mu
bagirrra123 [75]
The sales tax is .075 so she would pay 23.65 for the earbuds
7 0
3 years ago
The formula equals 16t squared is used to approximate the distance​ s, in​ feet, that an object falls freely from rest in t seco
Brut [27]
The equation is actually h(t)=-16t^2+1437.  Free fall is always -16t^2 as the position function.  We are looking for how long it takes the object to hit the ground.  In other words, the height of an object is 0 when it is laying on the ground, so how long (t) did it take to get there? We will then set that position equal to 0 and solve for t.  0=-16t^2+1437.  If we subtract 1437 from both sides and divide by -16, we have t^2=89.8125.  Taking the square root of both sides gives us, rounded to the nearest tenth, t = 9.5 or t=-9.5.  The 2 things in math that will never EVER be negative are time and distance/length, so -9.5 is out.  That means that it took just about 9.5 seconds for the object to fall to the ground from a height of 1437 feet when pulled on by the force of gravity.
6 0
3 years ago
Other questions:
  • List 3 values that would make this inequality true 4n &lt;_ 12
    14·1 answer
  • billy stacked six pieces of wood on top of one another if each piece was three quarts of a foot tall how tall was his pile
    13·2 answers
  • he has 14 coins and 2 one-dollar bills. witch describes the relationship between the coin and the dollar bills?
    5·2 answers
  • A bacteria culture initially contains 100 cells and grows at a rate proportional to its size. After an hour the population has i
    14·2 answers
  • Solve <br> S = 2πr(h + r) for h
    12·1 answer
  • Help:) Factor f(x) = 4x^3+ 23x^2- 70x + 16 into linear factors given that - 8 is a zero of f(x).
    8·1 answer
  • I spent 3/4 of my money, then I spent 1/5 of what was left. What part of all my money did i spend?
    15·1 answer
  • Ky recorded the results of his basketball free throw practice for three different sessions in the table shown, 3 misses to 10 at
    14·1 answer
  • a cylinder and a cone have the same radius and height. The volume of the cylinder is 534ft3 . what volume of the cone?
    12·1 answer
  • Solve this equation
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!