an example of inertia is when your body flies forward when you slam on the breaks.

a,true
b,false

help :​

The lower limit that could be used to determine the position of each object along the direction of the velocity is 1.136 x 10⁻³ m.

The uncertainty in the position of the electron is calculated as follows;

[tex]\Delta x = \frac{h}{4\pi m\Delta v}[/tex]

where;

[tex]\Delta x = \frac{6.63 \times 10^{-34} }{4\pi \times 9.11 \times 10^{-31} \times 0.051} \\\\\Delta x = 1.136 \times 10^{-3} \ m[/tex]

Thus, the lower limit that could be used to determine the position of each object along the direction of the velocity is 1.136 x 10⁻³ m.

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Answer:

Voltage, electric potential difference, electric pressure or electric tension is the difference in electric potential between two points, which is defined as the work needed per unit of charge to move a test charge between the two points.

Answer:

Length -> meter

Mass -> kilogram

Time -> second

g for gram

mg for milligram

t for time

μm for micrometer

ms for millisecond

300cm = 3m

500g = 0.5kg

1500m = 1.5km

250ms = 0.25s

3.65×10^4g = 36.5kg

The magnitude of the change in momentum of the driver is 3900kgm/s.

Hence option D) 3900 kg • meters per second is the correct answer.

Momentum is simply the product of the mass of an object and its velocity.

Its is expressed as;

P = m × v

Where m is the mass of the object and v is its velocity.

Given the data in the question;

We substitute the given values into the expression above to determine the initial momentum of the driver before he was brought to rest.

P initial = m × v

P initial = 125kg × 31m/s

P initial = 3875 kgm/s ≈ 3900kgm/s

Now, as the driver is brought to rest, final velocity becomes zero

P final = 125kg × 0

P final = 0

This means that the change in momentum of the driver is his initial momentum which is 3900kgm/s.

Therefore, the magnitude of the change in momentum of the driver is 3900kgm/s.

Hence option D) 3900 kg • meters per second is the correct answer.

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Answer:

D for edge

Explanation:

GO GO GO TRUST ME

Answer:V=13500m/s

As

V=fλ

Where v is velocity, f is frequency and λ is the wavelength

f=27hz or 27/s

λ=0.50km=0.50*1000m=500m

Putting given values in the formula

V=(27/s)*(500m)

V=13500m/sss

Answer:

when two electrons are in close proximity Each atom's electron begins to detect the proton of the other atom. As a result, it is attracted to not just its own proton, but also the proton of the other atom.

Comets that come from the Oort cloud have orbits that decay over time, bringing them closer to the sun each year. Option A is correct.

Comets are frozen leftovers from the formation of the solar system composed of dust, rock, and ice.

They range from a few miles to tens of miles wide, but as they orbit closer to the Sun, they heat up and spew gases and dust into a glowing head that can be larger than a plane.

Comets that come from the Oort cloud have orbits that decay over time, bringing them closer to the sun each year.

Hence,option A is correct.

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Answer:

B) have random tilts and orbits, sharing little with each other

Explanation:

Hope this helps, have a great rest of your day/ restful night!

Answer:

r = 15 ohms    for a single bulb

1 / R = 1 / r  + 1 / r + 1 / r + 1 / r

R = r / 4 = 15 / 4 = 3.75 ohms       total resistance

part II

If bulbs are in series R = 5 * 15 ohm = 75 ohm total resistance

P = I V = V / R * V = V^2 / R

P = 115^2 / 75 = 176 watts

part III

If the bulbs are in parallel then      

R = 15 / 5 =  3 ohms for the circuit

I = 115 / 3 = 38.3 amps for circuit

P = 115^2 / 3 = 4400 watts

Check: P = I V = 38.3 * 115 = 4400 watts

As altitude increases, air pressure decreases. hence option C is correct.

It is pressure exerted by the weight of the atmosphere at sea level. its value is 101,325 Pascal which we call it as 1 atmospheric pressure expressed as 1 atm. i.e. 1 atm = 101,325 N/m².

Like water has pressure when we go long inside the water, our atmosphere has also pressure from top to surface of the earth.

There are different layers of atmosphere from bottom to top which are Troposphere, Stratosphere, Mesosphere, Thermosphere and Exosphere.

Each layer has its own range and weight.

When we are on the surface of the earth, all layers of atmosphere will apply pressure. but when we increase altitude(height), the number layers reduces and its weight too.

Hence as altitude increases, air pressure decreases.

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The value of maximum voltage, when the capacitor can withstand a peak voltage of 670 v is 47.6 volts.

Resonance frequency is the natural frequency of an particle or object. At this frequency, the object tries to vibrate at higher amplitude. It can be calculated with the following formula:

[tex]f=\dfrac{1}{2\pi LC}[/tex]

Here, L is the induction and C is the capacitance.

Let for an L-R-C circuit, the value of resistance is 400 ohm, induction is 0.380 Haney and capacitance is 1.20×10⁻² μF.

Put the values in above formula,

[tex]f=\dfrac{1}{2\pi(0.380)(1.20\times10^{-8})}\\f=2356.8\rm\; Hz[/tex]

The capacitor can withstand a peak voltage of 670 v. Use the following formula to find the value of current as,

[tex]I=2\pi fC\times Vc\\I=2\pi (2356.8)(1.20\times10^{-8})\times 670\\I=0.119\rm\; A[/tex]

The value of resistance is 400 ohms. Thus, the voltage is,

[tex]V=IR\\V=(0.119)(400)\\V=47.6\rm\; V[/tex]

Thus, the value of maximum voltage, when the capacitor can withstand a peak voltage of 670 v is 47.6 volts.

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Answer:

60

Explanation

Dont judge me but I convert 1.3 hours to 78 minutes, then divide with 3.0 and we end up with 60C

The amount of charge that passes through a 3.0 amp television in 1.3 hours would be 14040 Coulombs.

Charged material experiences a force when it is exposed to an electromagnetic field due to the physical property of electric charge. You can have a positive or negative electric charge.

I = Q / T

As given in the problem, we have to find out what amount of charge passes through a 3.0 amp television in 1.3 hours.

Let us first convert the time period of hours into seconds

1 hour = 3600 seconds

1.3 hours = 1.3 × 3600 seconds

               =  4680 seconds

By using the above relation between electric current and electric charge

and by substituting the respective values of the charge and the time period

I = Q / T

3 = Q / 4680

Q = 3 × 4680

   = 14040 Coulombs

Thus, the amount of charge that passes through a 3.0 amp television in 1.3 hours would be 14040 Coulombs.

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Answer:

15 kg

Explanation:

KE = 1/2 * m * v²   ⇒  m = (2*KE) / v²

m = (2*480) / 8²

m=15 kg

Answer:

number 1 is ( Some objects fall faster than other objects due to air  resistance . If there is no air resistance , then all objects will fall at the same rate.)  number two is (How do parachutes use air resistance to help skydivers land safely (page 3)? The air resistance overwhelms  the doward force of gravity.) Explanation:

The question is maya most likely trying to answer is, how does the thickness of the wire affect the strength of an electromagnet?

From the experimental set-up by maya, we can determine the effect of thickness of wire on strength of electromagnet.

R ∝ 1/A

where;

As the thickness of the wire increases, the area of the wire increases and the resistance of the wire will decrease. As the resistance of the wire decreases, the current flowing in the wire increases as well.

Thus, the increase in the thickness of a wires increases, the strength of an electromagnet.

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Answer:

A

Explanation:

Answer:

At the topmost point where the velocity has only horizontal component whereas the acceleration is vertical.

Explanation:

There is only a horizontal component of velocity at the ap3x of the projectile, and acceleration is vertically downwards owing to gravitation, therefore velocity and acceleration are perpendicular to one another.

The Properties of good conductor are given below:

Explanation:

1.It posses very low resistance or specific resistance.

2.It posses more conductance and there by conducts electricity readily through it.

3.It is a good conductor of heat.

4.It is highly resistance to corrosion by liquid.

5.It must be malleable and ductile.

6.It must be flexible.

7.It should not react with climatic conditions.

8.It can be drawn in very fine wires.

Answer:

I think its O A. True.

pH water = 7 = [H⁺] = 10⁻⁷

Mr. Galonski one hundred times more acidic than water = 100 times more H⁺ = 10⁻⁵ ⇒ pH = 5

Baron von Base has a pH of 11

The furthest from neutral (pH=7) on the pH scale = Baron von Base

The ideal mechanical advantage will be 8.017. The ideal mechanical advantage value may be grater than the actual value of mechanical advantage.

Mechanical advantage is a measure of the ratio of output force to input force in a system, it is used to obtained efficiency of  forces in levers and pulley.

The ideal mechanical advantage is found as;

[tex]\rm IMA = \frac{d \pi}{l} \\\\ \rm IMA = \frac{0.812 \times \pi}{0.318} \\\\ IMA=8.017[/tex]

The ideal mechanical advantage will be 8.017.

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The value of change in kinetic energy, when fish with mass 0. 65 kg is leaping to the right at 15 m/s, is 93.1 J.

Kinetic energy is a type of energy, which a body is posses due to its motion. The kinetic energy of a body can be found with the following formula,

[tex]KE=\dfrac{1}{2}mv^2[/tex]

Here, (m) is the mass of the body, and (v) is the speed of the body.

When the two objects collides, then the initial collision of the two body is equal to the final collision of two bodies by the law of conservation of momentum.

[tex]m_1u_1 + m_2u_2 = (m_1+m_2)v[/tex]

Here, (m) is the mass, (u) is initial velocity before collision, v is final velocity after collision and (subscript 1,2) are used for fish 1 and 2.

The mass of the first fish is 0. 65 kg. This fish leaping to the right at 15.0 m/s collides inelastically with another fish with mass 0.950 kg leaping to the left at 13.5 m/s. Put the values,

[tex]m_1u_1 + m_2u_2 = (m_1+m_2)v\\0.65\times15 +0.95\times(-13.5) = (0.65 + 0.95)\times v[/tex]

The value of initial velocity of the second fish is taken negative as it is leaping to the left.

[tex]0.65\times15 +0.95\times(-13.5) = (0.65 + 0.95)\times v\\v=-\dfrac{3.075}{1.6}\\v=-1.9219\rm\; m/s[/tex]

This is the final velocity. Now to find the change in kinetic energy use the formula of kinetic energy,

[tex]\Delta KE=\dfrac{1}{2}(0.65)(12-(-1.9219))^2\\\Delta KE=93.1\rm\; J[/tex]

Thus, the value of change in kinetic energy, when fish with mass 0. 65 kg is leaping to the right at 15 m/s, is 93.1 J.

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Answer:

the answer is equal to the microwave gamma rays visible light x-rays.

Answer:

0.0025 sec

Explanation:

Period = 1 / frequency = 1/400 = 0.0025 sec

The force advantage of the direction changing pulley shown  is 1. The correct option is b.

Force is the mechanical physical quantity. The force advantage is equivalent to the mechanical advantage equal to the ratio of output to the input force.

In the single fixed pulley, there is only one rope segment that pulls up on the load, so,

The force advantage is

F.A = 50 N / 50 N  = 1

Thus, the force advantage of the direction changing pulley shown  is 1. The correct option is b.

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The count of the number of tools is fundamental because it allows us to design a suitable experimental procedure.

An experimental procedure is a step of the scientific method based on a process to validate or reject our working hypothesis.

The experimental procedure needs to have into account the different tools required for the experiment to be carried out by the researcher.

In conclusion, the count of the number of tools is fundamental because it allows us to design a suitable experimental procedure.

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The dust, accumulated at the time of the formation of the solar system that are  preserved in asteroids, meteoroids, and meteorites are called chondrules.

The solar system is composed of the earth and the planets. The solar system was formed millions of years ago.

The dust, accumulated at the time of the formation of the solar system that are  preserved in asteroids, meteoroids, and meteorites are called chondrules.

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The conclusion v₁=v₂ can not be made. Let u=(1,1,1),v₁=(2,3,-5),v₂=(4,-1,-3). The dot product of u.v₁=uv₂ is satisfied,but v₁≠v₂.The correct answer is c.

The dot product, also known as the scalar product, is an algebraic operation that yields a single integer from two equal-length sequences of numbers.

The dot product of two vectors' Cartesian coordinates is commonly used in Euclidean geometry.

Because there may be more than the 1 vectors satisfying the expression.

[tex]\rm uv_1 = 1 \times 2 +1 \times 3 +1 \times(-5)=0[/tex]

[tex]\rm uv_2= 4-1-3 =0[/tex]

The v₁ is not found equal to the v₂.

The conclusion v₁=v₂ can not be made. Let u=(1,1,1),v₁=(2,3,-5),v₂=(4,-1,-3). The dot product of u.v₁=uv₂ is satisfied,but v₁≠v₂.The correct answer is c.

Hence, the correct answer is c.

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Answer:

False

Explanation:

Middle of crest to middle of NEXT CREST is wavelength