What happens when two oceanic plates collide?

Answer:

Polarized light waves are light waves in which the vibrations occur in a single plane. The process of transforming unpolarized light into polarized light is known as polarization. There are a variety of methods of polarizing light.

Explanation:

It is a “new moon” (the Moon is totally dark in the sky). The gravitational force between the Earth and the Moon is:

Generally, The gravitational force between two objects is given by the equation:

force = G * (mass1 * mass2) / distance^2

Where G is the gravitational constant (6.67 x 10^-11 N*(m/kg)^2), mass1 and mass2 are the masses of the two objects, and distance is the distance between the two objects.

The mass of the Earth is 5.972 x 10^24 kg, the mass of the Moon is 7.347 x 10^22 kg, and the mass of the Sun is 1.989 x 10^30 kg. The average distance between the Earth and the Moon is 384,400 km, and the average distance between the Earth and the Sun is 149.6 million km.

The gravitational force between the Earth and the Moon is:

force = (G * (mass of Earth) * (mass of Moon)) / (distance between Earth and Moon)^2 force

= (6.67 x 10^-11 N*(m/kg)^2) * (5.972 x 10^24 kg) * (7.347 x 10^22 kg) / (384400 x 10^3 m)^2 force

= 2.9 x 10^20 N

The gravitational force between the Earth and the Sun is:

force = (G * (mass of Earth) * (mass of Sun)) / (distance between Earth and Sun)^2 force

= (6.67 x 10^-11 N*(m/kg)^2) * (5.972 x 10^24 kg) * (1.989 x 10^30 kg) / (149.6 x 10^9 m)^2 force

= 3.5 x 10^22 N

To find the net gravitational force on the Earth from the Sun and Moon combined, we add the two forces we found above.

Net force = 2.9 x 10^20 N + 3.5 x 10^22 N

= 3.5 x 10^22 N

When it is a Full Moon the distance is the same 384,400 km

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The force is 196 N (20kg x 9.8 m/s2)

Force is an action or influence that causes an object to change its state of motion or rest. Force can be exerted by a single object or by two or more objects interacting with each other. Examples of force include friction, gravity, magnetism, electricity, and pressure. The magnitude of a force is usually measured in newtons (N) and is determined by the amount of mass and acceleration of the object it is acting upon.

The force exerted on the coyote by the ground is equal to the mass of the coyote multiplied by the acceleration due to gravity, which is 9.8 m/s2.

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Answer:

Option C

Explanation:

Frequency determines the number of waves that pass through any defined point in a given time period.

Frequency of 1 hertz means that one wave travels through a given point in one second.

By the above definition, we can say

Frequency

[tex]= \frac{30}{10} \\=3[/tex]

Hence, option C is correct

Answer:

The blending of the fundamental tone with overtones produces the Sound Quality of Musical Instruments of an instrument.

The blending of the fundamental tone with overtones produces the sound quality of Musical Instruments  of an instrument.

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Answer:

a) 1.1418 kg

b) 0.9135 kg/s

Explanation:

Given data :

spring constant ( k ) = 3 kg/s^2

amplitude of vibrations will decay like :  

The mass of the object will be 1.418 kg and the value of the friction coefficient, b is 0.9135 kg/s.

In physics, a periodic motion is a movement that repeats at regular intervals. A swing in motion, a rocking chair, a bouncing ball, a tuning fork vibrating, the Earth orbiting the Sun, and a water wave are all examples of periodic motion. The time interval for repetition, or cycle, of the motion, is referred to in each case as a period, and the frequency is the number of periods per unit of time.

According to the question, the given values are :

Spring constant, k = 3 kg/s²,

Time, T₁ = 4 sec

r = 0.4

The formula for damped oscillation is : [tex]e^-^r^t[/tex]

r = b / 2 m

w₁ = [tex]\sqrt{w_0^2-r^2}[/tex]

T₁ = 2π / w₁

= 2 π /        [tex]\sqrt{w_0^2-r^2}[/tex]

w₀ = [tex]\sqrt{4 \pi^2/T_1 +r^2}[/tex]

[tex]\sqrt{k/m}[/tex] = [tex]\sqrt{4 \pi^2/T_1 +r^2}[/tex]

M = k / [tex]{4 \pi^2/T_1 +r^2}[/tex]

M = 3/ (4π/4² +(0.4)²)

M = 1.1418 kg

b = 2 Mr = 2 × 1.1418 × 0.4

b = 0.9135 kg/s

Hence, the mass of the object is 1.1418 kg and the friction coefficient is 0.9135 kg/s.

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Answer:

[tex]F_l=1140N[/tex]

Explanation:

From the question we are told that:

Length[tex]l=3.00m[/tex]

Support distance [tex]d=1.00m[/tex]

Weight of diver [tex]W_d=500N[/tex]

Weight of board [tex]W_b=280N[/tex]

Generally the equation for Total Torque is mathematically given by

 [tex]F_T=W_d-W_b[/tex]

 [tex]F_T=F_d-f_b[/tex]

 [tex]F_T=-280-500[/tex]

 [tex]F_T=-780[/tex]

 [tex]F_T=780[/tex]

Since we consider the horizontal axis

 [tex]\sum Y=0[/tex]

 [tex]Fs-(\frac{1}{2}l*w_b)-(l-w_d)[/tex]

 [tex]Fs-1.5*280-3*300=0[/tex]

 [tex]F_s=1920N[/tex]

Therefore  the force at the support point  1.00m from the force at the left-hand

 [tex]F_l=F_s-F_l[/tex]

 [tex]F_l=1920-780[/tex]

 [tex]F_l=1140N[/tex]

Answer:

Joule ;)

Explanation:

In the case of work (and also energy), the standard metric unit is the Joule (abbreviated J). One Joule is equivalent to one Newton of force causing a displacement of one meter. In other words, The Joule is the unit of work.

Hope this helps!

Answer:

Explanation:

Joule

In the case of work (and also energy), the standard metric unit is the Joule (abbreviated J). One Joule is equivalent to one Newton of force causing a displacement of one meter. In other words, The Joule is the unit of work.

the ball have no mechanical kinetic energy:

This refers to the energy that an object possessed due to its motion or due to its position. It is calculated by getting the product of the mass of the object and its velocity and dividing it by two. It is measured in joules, J.

if a referee tosses a basketball in the air, the ball will not  have mechanical kinetic energy:

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Make sure you measure the length of the pendulum from the centre (of mass) of the plumbob.

Make sure the top edge is well defined- clamp the string between two blocks so it is clear where the string can move and where it cant.

Make sure the top support is fixed- eg a clamp stand can easily flex and so the top support moves.

Make sure you use small amplitudes ( less than 10 degrees from the vertical)

Make sure you time enough swings such that the total time is sufficeint to get the uncertainty in the timing of a single swing down. (It is the total time that is important not the number of swings)

Release the pendulum and start timing counting while it is swinging. Start the clock and say zero (not 1).

Have a pre-prepared results table so that you can record your results accurately without rushing.

Do at least 3 sets of readings to identify any anomalies.

Explanation:

claiming points because question is old + no keywords in title

Answer:

[tex]V=9.2565m/s[/tex]

Explanation:

From the question we are told that:

Force [tex]F = 34 N[/tex]  

Time [tex]t = 0.6 s[/tex]

Length of pedal [tex]l_p=16.5cm \approx0.165m[/tex]

Radius of wheel [tex]r = 33 cm = 0.33 m[/tex]

Moment of inertia, [tex]I = 1200 kgcm2 = 0.12 kg.m2[/tex]

Generally the equation for Torque on pedal [tex]\mu[/tex] is mathematically given by

[tex]\mu=F*L\\\mu=34*0.165[/tex]

[tex]\mu=5.61N.m[/tex]

Generally the equation for  angular acceleration [tex]\alpha[/tex] is mathematically given by

 [tex]\alpha=\frac{\mu}{l}[/tex]

 [tex]\alpha=\frac{5.61}{0.12}[/tex]

 [tex]\alpha=46.75[/tex]

Therefore Angular speed is \omega

[tex]\omega=\alpha*t[/tex]

[tex]\omega=(46.75)*(0.6)[/tex]

[tex]\omega=28.05rad/s[/tex]

Generally the equation for  Tangential velocity V is mathematically given by

[tex]V=r\omega[/tex]

[tex]V=(0.33)(28.05)[/tex]

[tex]V=9.2565m/s[/tex]

Answer:

150N

Explanation:

To find the force applied remember that force equals to Mass multiply by the Acceleration.

F=Ma

=30*5

=150N

Answer:

150N

Explanation:

F = m*a = 30 * 5 = 150 N

Answer:

lithosphere

Explanation:

The work done to the mower is the product of the external force applied on the object and the distance covered by the object which is equal to 40,811 Joules.

Work done on an object can be defined as the product of external force applied on the object and the distance over which the force is being applied on the object. Work is done on an object when a force is applied to an object and the object is moved through certain distance.

From this we can see that the horizontal component of the force:

X-Component (horizontal component):

cos(θ) = x/F

Then,

X= F cos(θ).…..(1)

Now putting the values of F and θ in equation (1) we get,

X = 72 N × cos(40)

X = 72 N × 0.766

X= 55.15 N this is the x-component force

The work done to the mower is:

W = F × d

W = 55.15 × 740

W = 40,811 Joules

The work done to the mower is 40811 Joules.

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The statement indicates that angle 3 seems to have a 117 degree measurement.

Compare of an untold amount with a fixed quantity that is known or A attribute of an item or event is measured when a number is assigned to it so that it may be compared to other things or occurrences.

An angle is the figure produced by two photons that must intersect at a shared terminal in geometry. The symbol should indicate an angle.

The sum of the two degrees is 180 degrees but since radius 5 is 63 degrees.

Angle 3 is therefore = 180 - 63 = 117 degrees.

Consequently, angle 3 has a measure of 117 degrees.

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Altitude and Air

but mainly altitude, Air is just depending on the situation.

Air does not always influence an object's fall, but Altitude always influences it.

Answer:

P = 1936 W

Explanation:

Given that,

Voltage, V = 220 V

The resistance of the heater, R = 25 ohms

We need to find the power dissipated in the heater. We know that the power dissipated by the electric appliances is given by :

[tex]P=\dfrac{V^2}{R}\\\\P=\dfrac{(220)^2}{25}\\\\P=1936\ W[/tex]

So, the required power is equal to 1936 W.

Answer:

Infinity. Yes, specific value of water during phase change is infinity. This is because, as long as water is present and it is changing phase (at boiling point or at any other constant temperature), the temperature of the water does not change no matter what amount of heat you are supplying to the water. Thus, its specific heat value is infinity.

Answer:

The equivalent resistance of a 3.0 Ω resistor and a 6.0 Ω resistor connected in parallel is 2.0 Ω.

Explanation:

Answer:

vlarge = 4vsmall

Explanation:

Khan Academy

Answer:

The net force is equal to zero.

Explanation:

Two equal forces going in opposite directions will always result in a net force of 0.

Answer:

The net force would be 0.

Explanation:

If you have equal amounts of force on each side it is 0. If you had different amounts of force on each side the side you would subtract the greater one form the smaller one equalling your net force.

Answer:

A.Moving electric charges (electrons in a circuit) creates a magnetic field and

a magnetic field can cause an electric charge to move (electricity).

Explanation:

Answer:

0.48 rad/s

Explanation:

We can use this equation to find the final velocity

[tex]w_f=w_0+at[/tex]

We are given

[tex]w_0=0.16[/tex]

[tex]t=8.0[/tex]

[tex]a=0.04[/tex]

Inserting those numbers into our equation gives us

[tex]w_f=0.16+0.04*8[/tex]

Lets solve for [tex]w_f[/tex].

[tex]w_f=0.16+0.32[/tex]

[tex]w_f=0.48[/tex]

Answer:

Amplitud (dinámica)

Explanation:

La amplitud de una onda de sonido determina su volumen relativo. En música, el volumen de una nota se denomina nivel dinámico.

I think the answer is b but im not really sure

Newton's subsequent law expresses that power is corresponding to what exactly is needed for an object of consistent mass to change its speed. This is equivalent to that item's mass increased by its speed increase. We use Newtons, kilograms, and meters each second squared as our default units, albeit any proper units for mass (grams, ounces, and so forth) or speed (miles each hour out of every second, millimeters per second2, and so on) could unquestionably be utilized also - the estimation is the equivalent notwithstanding.

Hence, the appropriate answer will be 399,532.

Net Force = 399532

Louis de Broglie's principle of electrons states that (b) They behave as a wave and a particle.

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Answer:

the proton speed of the proton was 1.6 × 10⁶ m/s

Explanation:

Given the data in the question;

Radius r = 6.42 cm = 0.0642 m

magnetic field B = 0.260 T

we know that; charge of proton q = 1.602 × 10⁻¹⁹ C

And mass of proton m = 1.672 × 10⁻²⁷ kg

we know that; Magnetic Force F = qvBsinθ

where q is the charge of proton, v is velocity, B is the magnetic field and θ is  angle ( 90° )

Also the Centripetal force experienced by the particle is;

F = mv² / r

where r is radius, m is mass of proton and v is velocity

hence;

qvBsinθ = mv² / r

we solve for v

rqvBsinθ = mv²

divide both sides by mv

rqvBsinθ / mv = mv² / mv

rqBsinθ / m = v

so we substitute

v = [ 0.0642 m × (1.602 × 10⁻¹⁹ C) × 0.260 T × sin(90°) ] /  1.67 × 10⁻²⁷ kg

v = 2.6740584 × 10⁻²¹ / 1.672 × 10⁻²⁷

v = 1.6 × 10⁶ m/s

Therefore, the proton speed of the proton was 1.6 × 10⁶ m/s