PHYSICS HIGH SCHOOL

What is different about parasitism compared to the other biological relationships such as mutualism, predation, competition, and commensalism?

Answers

Answer 1

Answer:

Answer: parasitic organisms cause harm to other organisms.

Answer 2

Answer:

Answer:

parasitic organisms cause harm to other organisms.

Explanation:

Related Questions

two truckers are traveling directly away from each other at the same speed. If one trucker sounds her horn at a frequency of 206 Hz, and the other trucker hears a frequency of 189 Hz, determine the speed of the trucks. Use the speed of sound as 343 m/s. m/s
which unit of measure would scientist use to measure the thickness of rock layer, created as a result of volcanic activity
A disturbance that transfers energy from place to place is called aa. wave.b. medium.c. vibration.d. compression.
Which statements explain current theories about dark energy and dark matter? Check all that apply.(correct) Space that appears empty actually contains dark energy and dark matter.(correct) Dark matter does not emit electromagnetic radiation.Scientists believe dark energy will cause the universe to collapse inward to a single point.(correct) Scientists theorize that dark energy is causing the expansion of the universe to accelerate.Dark matter includes all of the dust, ice, and debris that scientists observe in black holes.just trynna help out future students
An object of unknown mass is initially at rest and dropped from a height h. It reaches the ground with a velocity v sin θ / g 1. The same object is then raised again to the same height h but this time is thrown downward with velocity υ1 It now reaches the ground with a new velocity υ2. How is v2 related to v1?

If the mass of a sliding block is tripled while a constant net force is applied, by how much does the acceleration decrease?

Answers

As we know that if a rock is sliding under the influence of some external force then By Newton's II law we have

$F = ma$

now we will have

$a = (F)/(m)$

now we know that if force remains constant while we tripled the mass of the block then

new acceleration of the block will be given as

$a' = (F)/(3m)$

so here the acceleration of the block will be decreased by 3 times

Four landing sites are proposed for a lander. Data about the sites are listed in the table.A 3 column table with 4 rows. The first column is labeled landing site with entries W, X, Y, Z. The second column is labeled height above surface in meters with entries 32, 16, 35, 12. The last column is labeled acceleration due to gravity in meters per second squared with entries 1.6, 3.7, 1.6, 3.7.
At which landing site would the lander have the greatest amount of gravitational potential energy?

A. W
B. X
C. Y
D. Z

Answers

Answer:

B. X.

Explanation:

To determine which landing site would have the greatest amount of gravitational potential energy, we need to consider the height above the surface and the acceleration due to gravity at each site.

Gravitational potential energy is given by the formula:

Gravitational potential energy = mass x acceleration due to gravity x height

In this case, the mass of the lander is not provided, but since it is the same for all the sites, we can ignore it for the purpose of comparison. Therefore, we only need to consider the acceleration due to gravity and the height above the surface.

Looking at the table, we can see that at site X, the height above the surface is 16 meters, and the acceleration due to gravity is 3.7 meters per second squared. This means that at site X, the lander would have the highest amount of gravitational potential energy compared to the other sites.

i hoped this helped ! ⚫w⚫

A 11.0 g rifle bullet is fired with a speed of 380 m/s into a ballistic pendulum with mass 10.0 kg, suspended from a cord 70.0 cm long.a) Compute the vertical height through which the pendulum rises.(cm)
b) Compute the initial kinetic energy of the bullet;(j)
c) Compute the kinetic energy of the bullet and pendulum immediately after the bullet becomes embedded in the pendulum.(j)

Answers

a. The vertical height through which the pendulum rises is equal to 0.9 cm.

b. The initial kinetic energy of the bullet is equal to 794.2 Joules.

c. The kinetic energy of the bullet and pendulum immediately after the bullet becomes embedded in the pendulum is equal to 0.883 Joules.

Given the following data:

Mass of bullet = 11.0 g

Speed = 380 m/s

Mass of pendulum = 10.0 kg

Length of cord = 70.0 cm

a. To determine the vertical height through which the pendulum rises:

First of all, we would find the final velocity by applying the law of conservation of momentum:

Momentum of bullet is equal to the sum of the momentum of bullet and pendulum.

$M_bV_b = (M_b + M_p)V$

Where:

$M_b$ is the mass of bullet.

$M_p$ is the mass of pendulum.

$V_b$ is the velocity of bullet.

V is the final velocity.

Substituting the given parameters into the formula, we have;

$0.011* 380 = (0.011+10)V\n\n4.18 = 10.011V\n\nV = (4.18)/(10.011)$

Final speed, V = 0.42 m/s

Now, we would find the height by using this formula:

$Height = (v^2)/(2g) \n\nHeight = (0.42^2)/(2* 9.8) \n\nHeight = (0.1764)/(19.6)$

Height = 0.009 meters.

In centimeters:

Height = $0.009 * 100 = 0.9 \;cm$

b. To compute the initial kinetic energy of the bullet:

$K.E_i = (1)/(2) M_bV_b^2\n\nK.E_i = (1)/(2) * 0.011 * 380^2\n\nK.E_i = 0.0055* 144400\n\nK.E_i = 794.2 \; J$

Initial kinetic energy = 794.2 Joules

c. To compute the kinetic energy of the bullet and pendulum immediately after the bullet becomes embedded in the pendulum:

$K.E = (1)/(2) (M_b + M_p)V^2\n\nK.E = (1)/(2) *(0.011 + 10) * 0.42^2\n\nK.E = (1)/(2) * 10.011 * 0.1764\n\nK.E = 5.0055 * 0.1764$

Kinetic energy = 0.883 Joules.

Answer:

a) h = 0.0088 m

b) Kb = 794.2J

c) Kt = 0.88J

Explanation:

By conservation of the linear momentum:

$m_b*V_b = (m_b+m_p)*Vt$

$Vt = (m_b*V_b)/(m_b+m_p)$

$Vt=0.42m/s$

By conservation of energy from the instant after the bullet is embedded until their maximum height:

$1/2*(m_b+m_p)*Vt^2-(m_b+m_p)*g*h=0$

$h =(Vt^2)/(2*g)$

h=0.0088m

The kinetic energy of the bullet is:

$K_b=1/2*m_b*V_b^2$

$K_b=794.2J$

The kinetic energy of the pendulum+bullet:

$K_t=1/2*(m_b+m_p)*Vt^2$

$K_t=0.88J$

When discussing discordant and harmonious sound waves, which statement is false? A. Both types of waves are the result of component waves with different frequencies. B. Knowing the frequencies of the original waves is useful in determining if the result will be discordant or harmonious. C. Low ratios of the frequencies of the original and resultant waves indicate discordant waves. D. If the original waves combine to form irregular displacements of air, the sound will be discordant.

Answers

Correct answer choice is :

C) Low ratios of the frequencies of the original and resultant waves indicate discordant waves.

Explanation:

The sound is created when something vibrates. The vibrating body makes the means around it to vibrate. Vibrations in the air are described going longitudinal waves, which we can hear. Sound waves consist of regions of high and low pressure named compressions and rarefactions. The left ventricle will ultimately lose as depolarization opens from the right ventricle, but the stay in conduction effects in a wide QRS system. In the appearance of LBBB, the T wave should be discordant or diverted opposite the final deflection of the QRS system.

Please answer !!!A company wants to install a sensor to monitor the light level in the offices of their buildings. The sensor contains an LDR which has a resistance of 10kohlms in daylight and 100kohlms in the dark . The choice of resistor in the circuit is between one of 25kohlms and 1 megaohlm. The input p.d to the sensing circuit of 12 v . State and explain which resistor is the best choice for the circuit in light and dark which each of the resistors . You could put your calculations in a table .

Answers

Answer:

Explanation:

The sensor contains an LDR which has a resistance of 10kohlms in daylight and 100kohlms in the dark.

If the resistor in the circuit is 1 megaohlm, the total resistance in daylight and darkness will be 1.01 megaohms and 1.1 megaohlms.

The percentage difference = (1.1-1.01)/1.1*100% = 8.18%

If the resistor in the circuit is 25 kohlm, the total resistance in daylight and darkness will be 35 kohms and 125 kohlms.

The percentage difference = (125-35)/125*100% = 72%

With the input p.d to the sensing circuit fixed at 12 v, the sensing current will change according to the total resistance. A 72% difference is much more detectable. So the 25 kohm resistor is the better choice.

Answer:

Explanation:

V=IR

I=12/(R of resistor + R of LDR)

R of LDR = 10kohm in light and = 100kohm in dark

R1 = 25kohm

R2 = 1Mohm

solve 4 current

light dark

R1 12/(25+10)=0.343mA 12/(25+100)=0.096mA

R2 12/(1000+10)=0.012mA 12/(1000+100)=0.011mA

so R1 is better as its easier 2 tell its light or dark

The largest diversity of plants and animals on the planet is found in one terrestrial biome. True or false

Answers

The largest diversity of plants and animals on the planet is found in one terrestrial biome. It is a true statement.

What is terrestrial biome?

Large-scale habitats known as biomes can be identified by their distinctive temperature ranges and precipitation rates. The kinds of vegetation and animal life that can exist in those locations are influenced by these two factors. The same biome can exist in physically separate regions with similar climates because each biome is characterized by climate.

There are eight main terrestrial biomes: temperate grasslands, temperate forests, boreal forests, Arctic tundra, and tropical rainforests, savannas, subtropical deserts, and chaparral.

All this terrestrial biomes has large diversity of plants and animals on the planet .

Learn more about terrestrial biome here:

brainly.com/question/28099558

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That statement is true.

The largest diversity of plants and animals on the planet is found in the tropical rain forest.

Other Questions

Extremely high temperatures and pressures are necessary for fusion reactions to take place in stars. true or false.

Which of the following states of matter is always a good conductor of electricity? solid, liquid, gas, or plasma **:/ Thank you!

If the stone loses 10% of its speed in 10 s of grinding, what is the force with which the man presses the knife against the stone?

Which one of the following lenses is a converging lens