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
tatiyna
3 years ago
12

Aidan drops a rock from a cliff after 4.0s, the rock is moving at 39.2m/s what is the acceleration of the rock

Mathematics
1 answer:
Cerrena [4.2K]3 years ago
3 0

Here,

time=4.0s

velocity=39.2m/s

Formula:

a=v/t

=39.2/4.0

=9.8 (ms-2)

You might be interested in
20 points
g100num [7]

Answer:

the answer is 7/12 hours

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
What number is to 100 as 4 is to 78
vitfil [10]
Hello, 

4 is to 78 as x is to 100, we write it as a ratio:

\frac{4}{78}= \frac{x}{100}   \\  \\ x= \frac{100*4}{78}  \\  \\ \boxed{x= \frac{200}{39}=5.13}
5 0
3 years ago
One lap around the lake is 7/10 mile Dasha runs 9 laps around the lake
Sindrei [870]

Answer:

6.3

Step-by-step explanation: Divide 7 by 10 and get .7 then you would multiply that by 9 and youll get 6.3

4 0
3 years ago
Sound travels through air at about 344 meters per seconds when the temp. is 20 degrees c. If Enrique lives 2 kilometres from the
Vaselesa [24]

Answer:

(344*20)  +  ( 2*20)  = (20*2) = ?

Step-by-step explanation:

8 0
3 years ago
A bag has 5 yellow marbles, 3 red marbles, and 2 blue marbles. Quinn randomly picks a marble from the bag and returns it before
netineya [11]

Answer:

He would expect to see the blue marble 40 times. Hope this helps!

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Other questions:
  • A population of n ????20 scores has a mean of???????? 15. one score in the population is changed from x ???? 8 to x ???? 28. wha
    15·1 answer
  • Find the lengths of AB and CD in the parallelogram if AB is 5x+2 and CD is 8x-7​
    14·1 answer
  • What value of b will cause the system to have an infinite
    13·1 answer
  • Martha has $10,000 saved and wants to attend a college with a current tuition of $10,000 a year. She will graduate from high sch
    6·1 answer
  • 3 boxes have a total weight of 70kg.
    9·1 answer
  • You work on a problem calculating either area or volume. Your answer is 210 ft3. Did you work on an area or volume problem?
    8·2 answers
  • Make a number line and show all values of x such that x<1/3 and x>0
    9·1 answer
  • Use the vertical method to multiply (4a^3 - 2a + 3a^2 + 1) (4a3−2a+3a2+1) and (3 - 2a + a^2). (3−2a+a2). What would be the value
    9·2 answers
  • Will give brainliest
    6·1 answer
  • What is the negative solution to this equation? 4x^2+12x=135​
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!