If you have a density of 3g/ml and a mass of 15 g , what is the volume ?

Answers

Answer 1

Answer:

To find volume you just divide mass by density. (15/3) and you get 5

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What type of wave transfer sound

Answers

Sound waves and electromagnetic waves transfer sound.

What do you think swarming locusts affect planted crops?

Answers

Answer:

Large swarms of locusts can completely strip the foliage and stems of plants such as forbs and grasses. ... They often eat dry plant matter on the ground and will forage for weak or dead grasshoppers when plant food is scarce. As nymphs have a large appetite, they cause more damage than adults.

Explanation:

Answer:

they say yum yum as they eat planets and make humans starve

Explanation:

but they still eat them

A team of eight dogs pulls a sled with waxed wood runners on wet snow (mush!). The dogs have average masses of 19.0 kg, and the loaded sled with its rider has a mass of 210 kg. (a) Calculate the acceleration of the dogs starting from rest if each dog exerts an average force of 185 N backward on the snow. (b) Calculate the force in the coupling between the dogs and the sled.

Answers

The acceleration of the dogs as they pull the sled on the snow is $\boxed{4.09\,{{\text{m}}\mathord{\left/{\vphantom{{\text{m}}{{{\text{s}}^{\text{2}}}}}}\right.\kern-\nulldelimiterspace}{{{\text{s}}^{\text{2}}}}}}$ .

The force experienced by the sled due to the dogs is $\boxed{859\,{\text{N}}}$ .

Further Explanation:

As the dogs collectively full the sled on the wet snow surface, the sled will experience a net force due to all the dogs acting on it.

Part (a):

The net force applied by the 8 dogs on the sled is:

$\begin{aligned}{F_{{\text{net}}}}&=8*F\n&=8*185\n&=1480\,{\text{N}}\n\end{aligned}$

The net mass of the dog and the sled combined is:

$\begin{aligned}M&=\left({8*{m_d}}\right)+{m_s}\n&=\left({8*19}\right)+210\n&=362\,{\text{kg}}\n\end{aligned}$

The net acceleration of the dogs and the sled combined is:

$a=\frac{{{F_(net)}}}{M}$

Substitute the values of net force and mass in above expression.

$\begin{aligned}a&=\frac{{1480}}{{362}}\n&=4.088\,{{\text{m}}\mathord{\left/{\vphantom{{\text{m}}{{{\text{s}}^{\text{2}}}}}}\right.\kern-\nulldelimiterspace}{{{\text{s}}^{\text{2}}}}}\n&\approx4.09\,{{\text{m}}\mathord{\left/{\vphantom{{\text{m}}{{{\text{s}}^{\text{2}}}}}}\right.\kern-\nulldelimiterspace}{{{\text{s}}^{\text{2}}}}}\n\end{aligned}$

Thus, the acceleration of the dogs as they pull the sled on the snow is $\boxed{4.09\,{{\text{m}}\mathord{\left/{\vphantom {{\text{m}}{{{\text{s}}^{\text{2}}}}}}\right.\kern-\nulldelimiterspace}{{{\text{s}}^{\text{2}}}}}}$ .

Part (b):

Since the sled is moving with an acceleration of $4.09\,{{\text{m}}\mathord{\left/{\vphantom{{\text{m}}{{{\text{s}}^{\text{2}}}}}}\right.\kern-\nulldelimiterspace}{{{\text{s}}^{\text{2}}}}}$ , the net force experienced by the sled due to the pull of the dogs is:

${F_(sled)}={m_s}* a$

Substitute the values in above expression:

$\begin{aligned}{F_(sled)}&=210*4.09\n&=858.9\,{\text{N}}\n&\approx{\text{859}}\,{\text{N}}\n\end{aligned}$

Thus, the force experienced by the sled due to the dogs is $\boxed{859\,{\text{N}}}$ .

Learn More:

1. A 30.0-kg box is being pulled across a carpeted floor by a horizontal force of 230 N brainly.com/question/7031524

2. A horizontal rope is tied to a 50 kg box brainly.com/question/2416204

3. Why is it important to define a frame of reference brainly.com/question/526888

Answer Details:

Grade: High School

Subject: Physics

Chapter: Newton’s law of Motion

Keywords:

Team of eight dogs, waxed wood runners, loaded sled, with its rider, acceleration, average force 185 N, coupling between dog and sled, average masses of 19 kg each.

The term test variable refers to:A) control variables

B) dependent variables

C) independent variables

Answers

Answer:

answer should be C.) Independent variable since its the one being changed

Explanation:

Answer:

The answer should be B.)

Explanation:

I took the test and got this correct

Which of newtons laws is illustrated by a squid moving forward by shooting water out behind it? Why?

Answers

I believe its newtons 3rd law for every action there is an equal but opposite reaction since the squid is moving foward by shooting the water its pushing the squid back as its reaction. Hope this helped !

HELP PLEASE Example: Convert 25°C to °F.

Formula: °F = (9/5) (°C) + 32  °C is given so I am solving for °F.
°F = (9/5) (25) + 32
=(1.8*25)+ 32
=45+32
=77
Answer= 77°F is equal to 25°C

A. Convert 35°C to °F

B. Convert 80°F to °C

C. Convert 15°C to °F

D. Convert 25°F to °C

Answers

Angel ! You have a formula, and you have an example that's
completely worked out. The ONLY POSSIBLE reason that you
could still need help is that you're letting math scare you.

I'll do 'A' for you, 'B' most of the way, and get 'C' set up.
If THAT's not enough for you to run with and finish them all,
then you and I should both be embarrassed.

Write the formula on the wall:

   °F = (9/5) °C + 32°

A). Convert 35° C °F = (9/5)(35°) + 32°

(9/5)(35) = 63 °F = 63° + 32°

   °F = 95°
____________________________________

B). Convert 80°F to °C
       The formula: °F = (9/5) °C + 32°

°F = 80    80 = (9/5)°C + 32

Subtract 32 from each side: 48 = (9/5)°C

Multiply each side by 5 : 240 = (9) C

Now you take over:
_________________________________________

C). Convert 15°C to °F.
       The formula: °F = (9/5) °C + 32°

°C = 15 °F = (9/5) 15° + 32

(9/5) (15) = 27
   Go !    °F =

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