A pre-trip inspection will help you ____________.A. find problems that could cause a collision or breakdown
B. avoid a post-trip inspection
C. know how far you must travel
D. save money on fuel

Answers

Answer 1
Answer:

Answer:

A. find problems that could cause a collision or breakdown

Explanation:

A pretrip inspection allows the driver to drive safely because he feels satisfied since he already had checked each and everything in the beginning. This increases the focus on driving. In addition to it there are less chances of happenings and technical faults in the vehicle. It also plays a vital role in the safety circumstances as well.

Answer 2
Answer: Answer
A.To find problems that could cause a collision or breakdown.

Explanation
A pre-trip inspection is the trip made by the organizers before the due date of the trip.
There are many reasons why pre-trip inspection is necessary. Some of them include:
1. Finding out how much information is available,
2. The cost to be incurred,
3. Assessing the route and the safety of the place,
4. The most important been to help in preparation of the budget and many others
From the choices given, the most appropriate answer is A. To find problems that could cause a collision or breakdown.

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Give two examples of workplace environments where considerations must be made with respect to the possibility of electric discharges. Explain why this is a necessary concern
An increase in which quantity will result in an increase in momentum?
A 1.0 µC test charge travels along an equipotential line a distance of 0.20 cm between two parallel charged plates with a field strength of 500.0 N/C. What is the change in voltage? (µC = 1.0 × 10^-6 C)

Heat of Fusion How much thermal energy is needed change 50.0 g of ice at -20.0°C to water at 10.0°C?

Answers

We should divide the problem into 3 separate processes.

1) Bring the temperature of the ice from -20.0^(\circ)C to its melting point (0^(\circ)C): the amount of heat needed in this process is
Q_1=mC_s \Delta T
where
m=50.0 g is the mass of the ice
C_s = 2.108 J/g^(\circ)C is the specific heat capacity of ice
\Delta T=0^(\circ)C-(-20^(\circ)C)=20^(\circ)C is the increase of temperature

Plugging numbers into the equation, we find
Q_1 = (50.0 g)(2.108 J/g^(\circ)C)(20^(\circ)C)=2108 J

2) Fusion of ice
When the ice is at melting point, we need to add a certain amount of heat in order to melt it, and this amount of it is given by:
Q_2 = mL_f
where 
m=50.0 g is the mass of ice
L_f = 334 J/g is the latent heat of fusion of ice

Plugging numbers into the equation, we find
Q_2 = mL_f = (50.0g)(334 J/g)=16700 J
During this phase transition, the temperature of the ice/water does not change.

3) Bring the temperature of the water from 0^(\circ)C to 10^(\circ)C

The amount of heat needed for this process is
Q_3 = mC_s \Delta T
where
m=50.0 g is the mass of water
C_s = 4.187 J/g^(\circ)C is the specific heat capacity of water
\Delta T=10^(\circ)C-0^(\circ)C=10^(\circ)C is the increase of temperature

Plugging numbers into the equation, we find
Q_3 = (50.0 g)(4.187 J/g^(\circ)C)(10.0^(\circ)C)=2094 J


--> therefore, the total energy needed for the whole process is:
Q=Q_1+Q_2+Q_3=2108 J+16700 J+2094 J=20902 J=20.9 kJ

Two waves with amplitudes of 75 units and 74 units arrive at a point in a medium simultaneously. If the two waves are out of phase with each other, what is the resultant amplitude of the wave?a. 74 units

b. 1 unit

c. 75 units

d. m149 units

Answers

Answer;

1 unit

Explanation;

  • Interference of a wave is the property a wave that occurs when two waves travelling in the same medium meet at a point or superpose at a point in the medium.
  • Interference may be constructive or destructive. Constructive occurs when two identical waves travelling in the same medium in phase meet at a point. The resulting wave has twice the amplitude of the individual waves.
  • Destructive interference occurs when two waves travelling in the same medium meet and out of phase. The resulting amplitude will be zero if the initial waves are identical, or the difference between the amplitude of the original waves if they are not identical.
  • Therefore; If the two waves one with an amplitude 75 units and the other 74 units, are out of phase with each other, the resultant amplitude of the resulting wave will be 1 unit, the difference between the amplitude of the original waves.
If the two waves have the SAME FREQUENCY and are exactly
out of phase (180° apart), then the resultant wave will have the
same frequency and an amplitude of 1 unit.

If the two waves do not have the SAME FREQUENCY, then their
relative phase is meaningless.

A direct result of european exploration of north america during the 1500s and early 1600s was the

Answers

Answer:

introduction of new animals and crops to North America

Explanation:

Since the early 1500s, Europeans have transported old world species to their new settlements in the Western Hemisphere, as well as to other parts of the world. The manifestoes of Christopher Columbus' second and subsequent voyages, for example, mention the deliberate transportation of species considered potential crops and livestock. Global trade has grown astronomically since then, providing an opportunity for the corresponding growth of biological invasions. Consequently, biological invasions can be viewed as a predominantly post-Columbian event. Put in perspective, the movement of organisms caused by humans, accidentally or deliberately in the last 200 to 500 years, undoubtedly dwarfs in frequency and impact the movement of organisms by natural forces at any 500-year period in Earth's history.

For long-distance transmission of power, in order to reduce losses in the wires by driving a low current at high voltage, we shoulda) use a step-up transformer

b) change the length of the wires between transmission towers

c) not use a transformer at all

d) change the type of conducting material

e) use a step down transformer

Answers

ans d) change the type of conducting matey

For long-distance transmission of power, in order to reduce losses in the wires by driving a low current at high voltage, we should use a step-up transformer (a) .

(That's at the beginning, to step-up the voltage for long-distance transmission.  And then use a step-down transformer at the end, to reduce the voltage just before we pour it into the customer's house.)

A ray of light is projected into a glass tube that is surrounded by air. The glass has an index of refraction of 1.50 and air has an index of refraction of 1.00. At what minimum angle will light in the glass tube be totally reflected at the glass/air interface?

Answers

Answer:

θ = 41.8º

Explanation:

This is an internal total reflection exercise, the equation that describes this process is

         sin θ = n₂ / n₁

where n₂ is the index of the incident medium and n₁ the other medium must be met n₁> n₂

        θ = sin⁻¹ n₂ / n₁

let's calculate

       θ = sin⁻¹ (1.00 / 1.50)

       θ = 41.8º

Ok i bet none of you guys/girls can get this right there's three states of matter solidliquid solid gas but what is the fourth one? 42 points!

Answers

Answer:

plasma is the 4th state

Answer:

plasma in the 4th state

Explanation: