sticking your fingers into a wall socket will not bring you into direct contact with an electrical current. true or false

The small increase in global oil production coupled with an increased demand for those resources leads to a potential imbalance between supply and demand in the oil market.

When global oil production experiences only a small increase while the demand for oil rises, it means that the rate of production growth is insufficient to meet the growing demand.

This situation can have several implications:

Rising oil prices: As demand outpaces supply, the limited availability of oil can lead to an increase in oil prices. When the demand for oil exceeds the available supply, buyers are willing to pay higher prices to secure the limited resources.

Market volatility: Insufficient supply to meet demand can result in market instability and volatility. Fluctuations in oil prices can create uncertainty in the market, affecting businesses, investors, and consumers.

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the correct option is A. Only technician B is correct.

Hydraulics works on the pascal law, which states that in a direction the hydro static fluid pressure remains constant.

Px=Py=Pz

Since small piston has small area compare to the large piston

Pbig=Psmall

Fbig/Abig=Fsm/Asm

Fbig=

thus the force on the large piston will increase, but it travel small distance.

Explanation:

Newton's second law of motion says that the net force is equal to the mass times acceleration:

F = ma

If the net force is halved, and the mass stays the same, the acceleration will be halved as well.

F/2 = m a/2

Answer:

50% of unpolarised light passes through the first filter because, on average, 50% of the waves are aligned with the fiter's axis.  Intensity is reduced by a factor 0.5.

The second filter then reduces the intensity by a factor cos²(θ)

Explanation:

Answer:

1.     t_reaction = 1.08 s

2.     v₀₁ = 16.365 m/s

Explanation:

1. This is a kinematics exercise, let's analyze the situation a bit, we can calculate the braking distance and the rest of the distance we can use to calculate the reaction time.

Braking distance

           v² = v₀² + 2 a x

when he finishes braking the speed is v = 0

            0 = v₀² + 2 a x

            x = -v₀² / 2a

            x = - 17²/2 (-7)

            x = 20.64 m

the distance for the reaction is

            d = x_reaction + x

            x_reaction = d - x

            x_reaction = 39 - 20.64

            x_reaction = 18.36 m

as long as it has not reacted the vehicle speed is constant

            v = x_reaction / t_reaction

            t_reaction = x_reaction / v

            t_reaction = 18.36 / 17

            t_reaction = 1.08 s

2. Let's find the distance traveled in the reaction time of t1 = 1.21983 s

       as the speed is constant

           v = x / t

           x₁ = v t₁

the distance traveled during braking is

           v² = v₀² + 2a x₂

           0 = v₀² + 2 a x₂

           x₂ = -v₀² / 2a

           v = v₀

the total distance is

         x_total = x₁ + x₂

         x_total = v₀ t₁ + v₀² / 2a

         39 = v₀ 1.21983 + v₀²/14

         v₀² + 17.08 vo - 546 =0

we solve the second degree equation

       v₀ = [ -17.08 ±√(17.08²  + 4  546) ]/2

       v₀ = [-17.08 ± 49.81 ]/2

       v₀₁ = 16.365 m/s

       v₀₂ = - 33.445 m/s

as the acceleration is negative the correct result is v₀₁ = 16.365 m/s