Answer:
Magnets have two poles, called north and south. The like poles are attracted to unlike poles, but like poles repel each other. For example, the north pole of one magnet is attracted to the south pole of another. ... To make objects move with a magnet attach a piece of metal, or another magnet, to it.
Answer:
mass= 0.1993 kg
Explanation:
Using the formula c = Q / (mΔT)
Answer:
x = 9.32 cm
Explanation:
For this exercise we have an applied torque and the bar is in equilibrium, which is why we use the endowment equilibrium equation
Suppose the counterclockwise turn is positive, let's set our reference frame at the left end of the bar
- W l / 2 - W_{child} x + N₂ l = 0
x = 
1)
now let's use the expression for translational equilibrium
N₁ - W - W_(child) + N₂ = 0
indicate that N₂ = 4 N₁
we substitute
N₁ - W - W_child + 4 N₁ = 0
5 N₁ -W - W_{child} = 0
N₁ = ( W + W_{child}) / 5
we calculate
N₁ = (450 + 250) / 5
N₁ = 140 N
we calculate with equation 1
x = -250 1.50 + 4 140 3) / 140
x = 9.32 cm
Answer:
y=-3.2x+18.5 Hope This Helps Tell me if you need step by step
For this question I would use the similarities between pulley A, to each pulley of the question.
<span>1. A speed of 1750 rpm is required when the drive belt is connected to pulley B. What is the diameter of pulley B?</span>
15inches / 1500rpm = (x<span>) inches / 1750rpm</span>
(x) = 15 inches * 1750 rpm / 1500rpm
(x) = 17.5 inches
2.A speed of 2000 rpm is required when the drive belt is connected to pulley C. What is the diameter of pulley C?
15inches / 1500rpm = (x) inches / 2000rpm
(x) = 15 inches * 2000 rpm / 1500rpm
(x) = 20 inches
3. A speed of 3250 rpm is required when the drive belt is connected to?
15inches / 1500rpm = (x) inches / 3250rpm
(x) = 15 inches * 3250 rpm / 1500rpm
(x) = 32.5 inches
