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4 years ago

Does a stick of dynamite contain force?

1 answer:

8 0

No. Force isn't something you can enclose in a box, an envelope,
or a bottle.

A stick of dynamite contains some amount of a chemical compound which,
when triggered by enough heat or shock, undergoes a chemical reaction
that proceeds very rapidly, and generates a large quantity of gases before
the gases can dissipate. This creates very high pressure around the reaction,
and it's this pressure in a small volume that exerts great force for a very short
time. The whole process is often described as an "explosion".

You might be interested in

Example of natural magnet

jeyben [28]

Answer: lodestone

An example of a natural magnet is the lodestone, also called magnetite. Other examples are pyrrhotite, ferrite, and columbite.

Classification of Magnets

Lodestones are a common example of natural magnets. Artificial magnets – Artificial magnets can be produced by man-made means and have a stronger magnetic field. They can also be shaped as required. When an artificial magnet is shaped in the form of a bar, it is called a bar magnet.

Explanation:

4 0

3 years ago

A proton, traveling with a velocity of 4.6 × 106 m/s due east, experiences a magnetic force that has a maximum magnitude of 6.0

Kobotan [32]

Answer:

$B = 0.0815 T$

since the direction of force is along south so the magnetic field must be upwards

Explanation:

Force on moving charge in magnetic field is given as

$F = q(\vec v \times \vec B)$

here we know this is force on proton

so we have

$q = 1.6 \times 10^{-19} C$

$F = 6.0 \times 10^{-14} (-\hat j) N$

also we know that the velocity of charge is

$v = 4.6 \times 10^6 \hat i m/s$

now from above formula we have

$(6.0 \times 10^{-14}) = (1.6 \times 10^{-19})(4.6 \times 10^6)B$

$B = 0.0815 T$

since the direction of force is along south so the magnetic field must be upwards

6 0

4 years ago

a) For a given material, would you expect the surface energy to be greater than, the same as, or less than the grain boundary en

sergejj [24]

Answer / Explanation:

To properly answer this question, let us define what a grain boundary is:

A grain boundary is the interface between multiple grains or crystals in a poly-crystalline material. They could also be refereed to as defects in the crystal structure and tend to decrease the electrical and thermal conductivity of structures.

Now, if we refer back to the question asked,

(a) The surface energy is grater than the grain boundary energy because surface atom have fewer bonds than atom along a grain boundary.

Consequentially, the lower the number of bonds formed, the higher the energy

(b) A higher angle grain boundary has higher misalignment and hence greater disruption of bonds (lesser number of bonds) than a small angle grain boundary. Therefore, a high angle grain boundary has higher energy.

7 0

3 years ago

The tread on a tire helps the car hold the road due to A) friction. B) gravity. C) inertia. D) momentum.

NemiM [27]

The answer would be friction

8 0

3 years ago

Tech A says that some electric actuators are positioned by an A/C ECU which checks the air flow with sensors. Tech B says that e

Svetradugi [14.3K]

Answer:

Tech B

Explanation:

The control of electric actuators may be through through a two-wire or a five-wire circuit through the driver circuit by bidirectionally controlling via the motor wire polarity. The door position is determined by counting the actuator commutator pulses by the control module in the actuator with 2-wire, while the actuator with 5-wire uses potentiometer feedback.

The A/C ECU is the Air Condition Engine Control Unit.

7 0

3 years ago