Make prediction about what will happen certain circumstances
Answer:
The can mass is 0,00359 kg or 3,59 g
Explanation:
1. Relevant Data:
Steel thickness= 0.13 mm or 0.013 mm
h=11 cm
d=6 cm
ρ=800 kg/m^3
2. Calculate mass from densisty equation:
, then 
We need to estimate the volume of the can to calculate the mass.
3. Estimate volume using differentials:
Cylinder volume equation is:

Considering that the can is an object with a hole inside, then we need to estimate the real volume of the sheet of steel.
Using differentials we have:

Then, we could say that 
Replacing the values of d, h and dD, we obtain:


4. Calculate the mass
Convert volume unit into 

Calculate mass



F I’m not sure if I’m right but I think the answer is F
Answer:
24.7 ohms
Explanation:
Given in the question,
electric current = 3 A
potential difference = 74 V
Using ohm's law
<h3>V = IR</h3>
R = V/I
<em>here,</em>
<em>R = resistance of wire</em>
<em>V = potential difference</em>
<em>I = electric current</em>
<em />
plug value in the formula
R = 74/3
R = 24.7 ohms
Therefore, the resistance of the wire is, 24.7 ohms
Answer:
A
Explanation:
When you pull the string the weight will experience a downward force and come closer to the vertical tube. And the angle between weight and hand through string is decreased so the angular velocity decreases