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Dafna11 [192]
3 years ago
9

Waxing or waning moon?

Physics
1 answer:
Dennis_Churaev [7]3 years ago
7 0

Answer:

waning gibbious

Explanation:

You might be interested in
• 500 waves pass by in 2 second. These waves have a wavelength of 6
tamaranim1 [39]

Answer:

6/2times500=1500

Explanation:

s = d/t which means speed equals distance divided by time.

7 0
3 years ago
A graduated cylinder contains 62 ml of water. When a small metal block is added to the water, the volume of the water increases
lawyer [7]

Answer:

The density of the block is 7.4g/ml.

Explanation:

We can determine the volume of the metal block by taking the difference between the volumes measured in the graduated cylinder:

V_{block}=65.5ml-62ml\\\\V_{block}=3.5ml

Now, as we know that the average density of an object is calculated dividing its mass by its volume, we can calculate the density ρ of the metal block using the expression:

\rho_{block}=\frac{m_{block}}{V_{block}}\\\\\rho_{block}=\frac{26g}{3.5ml}\\\\\rho_{block}=7.4\frac{g}{ml}

Finally, it means that the density of the metal block is 7.4g/ml.

3 0
3 years ago
Read 2 more answers
What is the force required to accelerate a 4 kg rock from 3 m/s to 15 m/s in seconds?
Lera25 [3.4K]

Answer:

16 Newtons

Explanation:

We will use the equation F=ma

First, find the acceleration using the givens.

a=∆v/∆t

a=15-3/3

a=12/3

a=4 m/s^2

Next, plug the acceleration and mass into the equation.

F=ma

F=4kg(4m/s^2)

F=16 Newtons

4 0
4 years ago
Wich subatomic particle will you add or remove to change the charge of the atom A) Electrons or neutrons B)Neautrons or protons
Oxana [17]
B. Neutrons or Protons Adding or removing protons from the nucleus changes the charge of the nucleus and changes that atom's atomic number. For example, adding a proton to the nucleus of an atom of hydrogen creates an atom of helium. (Actually, a few neutrons have to be added as well to make the new nucleus stable, but the end result is still helium.)
6 0
3 years ago
Sergei tees off on a stationary hockey puck using his most powerful slap shot. If he can exert a force of 250 N on the 500 gram
ASHA 777 [7]

Answer: velocity = 50m/s

Distance moved=5m

Explanation:

Using the formula Ft=Mv i.e impulse= momentum

Where F= force ,t= time, M= mass, v = velocity

In this case we need to find v,

F,t,M are all given in the question.

Therefore, substituting the values we have

250N×0.1s=0.5kg×v. Mass=500g= 0.5kg

v=25/0.5= 50m/s

The distance the puck will move when it is on his stick.

D= Velocity × time

D=50m/s × 0.1s

D=5m

Goodluck...

8 0
3 years ago
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