3 years ago

When an object falls freely, the formula for the distance it falls is d= 4.9t^2 where d is

Mathematics

2 answers:

SVETLANKA909090 [29]3 years ago

4 0

Answer:

a) 122.5 meters

b) 10 seconds

Step-by-step explanation:

german3 years ago

3 0

Answer:

a) 122.5 m ; b) 10 s

Step-by-step explanation:

Just use the given equation and plug in what you know.

d = 4.9t^2

d = 4.9(5^2)

d = 4.9 * 25

d = 122.5 m

d = 4.9t^2

490 = 4.9t^2

100 = t^2

t = 10 s

You might be interested in

I need help please??????

lisabon 2012 [21]

Answer:

Step-by-step explanation:

3(5) - 3 * 2

15 - 6 = 9

6 0

4 years ago

Read 2 more answers

Simplify: <br> (sq root of) a^2 if a>0<br><br> (sq root of) 36x^2 if x≤0

tresset_1 [31]

Answer:

Step-by-step explanation:

1. (sq root of) a^2 if a>0 => √(a^2) = ±a

2. (sq root of) 36x^2 if a>0 => ±6x

7 0

3 years ago

Cuál es el área de superficie de una esfera con un diámetro de 10 mm ? Redondea al número entero más próximo

Liula [17]

Step-by-step explanation:

¡Hola a todos!

Usa la fórmula para una esfera:

$V=\frac{4}{3} \pi r^3$

$V=\frac{4}{3} \pi (125)\\V=523.59877 mm^3$

No soy un hablante nativo de español, así que esto puede ser un poco confuso, ¡pero espero que ayude!

6 0

3 years ago

Jennifer's grandmother buys carrots at the farm stand. She and her 3 grandchildren equally share the carrots. The total weight o

likoan [24]

Since they share it equally
28/4=7

3 0

4 years ago

Walter buys a bus pass for $30 every time he rides the bus money is deducted from the value of the pass he rode 12 times and $24

klemol [59]

So each time, 24/12 or $2 was deducted per trip

he has 30-24=$6 left

$6/$2=3, he has 3 trips left

I wonder what your question is

6 0

4 years ago