3 years ago

Can you solve the 3 questions below?

Mathematics

1 answer:

trasher [3.6K]3 years ago

6 0

Answer:

a - car

b - plane b

10 overs

You might be interested in

WHAT IS BLANK TIMES BLANK EQUALS 74 HELP ME PLEASE

Naily [24]

1 x 74 = 74, and 2 x 37 = 74.

6 0

3 years ago

(a) What resonant frequency would you expect from blowing across the top of an empty soda bottle that is 24 cm deep, if you assu

Kryger [21]

Answer:

a) 357.29 Hz

b) 535.9375 Hz

Step-by-step explanation:

v = Velocity of sound in air = 343 m/s

l = length = 24 cm

$l=\frac{1}{4}\lambda \\\Rightarrow \lambda=4l$

$f=\frac{v}{\lambda}\\\Rightarrow f=\frac{v}{4l}\\\Rightarrow f=\frac{343}{4\times 0.24}\\\Rightarrow f=357.29\ Hz$

∴ Resonant frequency is 357.29 Hz

b) Here one third is filled with soda

So, length becomes $l=24-\frac{24}{3}=16\ cm$

$f=\frac{v}{4l}\\\Rightarrow f=\frac{343}{4\times 0.16}\\\Rightarrow f=535.9375\ Hz$

∴ Resonant frequency is 535.9375 Hz

6 0

4 years ago

How to do this entire problem it's too hard

Vikentia [17]

I would love to help, which problem?

3 0

4 years ago

Your history teachers is going to give you a 92 point assessment. There are 2 point questions and 3 point questions. If there is

Temka [501]

Answer:

Step-by-step explanation:

x = 2 point questions, y = 3 point questions

x + y = 40

2x + 3y = 92

Solving this we get x = 28, y = 12 so the answer is 28.

4 0

4 years ago

Read 2 more answers

Y{n} +y=-sinx , nghiệm của pt này ?

Svetllana [295]

I can’t understand your speaking a different laungue do u speak English?

3 0

3 years ago