What does WA mean in Friction?

Answers

Answer 1

Answer: I think WA in friction means Water Absorption.

Related Questions

A small object with mass m = 0.0900 kg moves along the +x-axis. The only force on the object is a conservative force that has the potential-energy function U(x)=−αx2+βx3, where α=2.00J/m2 and β=0.300J/m3. The object is released from rest at small x. When the object is at x = 4.00 m, what are its (a) speed and (b) acceleration (magnitude and direction)? (c) What is the maximum value of x reached by the object during its motion?
How, if at all, would the equations written in Parts C and E change if the projectile was thrown from the cliff at an angle above the horizontal? Explain your answer.
If a step-up transformer has a primary coil with 15 turns, how many turns would be required in the secondary coil in order to increase the voltage from 80 volts to 160 volts? A. 8 turns B. 30 turns C. 80 turns D. 160 turns
What things can increase the rate of evaporation
If we decrease the distance an object moves we will

If you heat soup on a stove, what happens to the movement of the soup’s particles?The particles move slower.

The particles move faster.

There’s no change in the speed of particles.

The particles stop moving.

Answers

The particles of soup heat up more quickly on a burner. Option B is correct.

What is temperature?

Temperature directs to the hotness or coldness of a body. In clear terms, it is the method of finding the kinetic energy of particles within an entity. Faster the motion of particles more the temperature.

The amount of thermal energy or heat produced is directly correlated with the speed of the moving particles. As a result, the soup particle would travel more quickly as it heated.

Hence, option B is correct.

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We know, that thermal energy is directly proportional to kinetic energy which in turn, is directly proportional to velocity. So, as soup particle would get heated, it's particle move faster.

In short, Your Answer would be Option B

Hope this helps!

As you jump on a pogo stick where is the potential energy the greatest?

Answers

The potential energy would be greatest at the highest point of the jump; the kinetic energy equaling 0.

A species of insect is newly introduced into the United States from the Philippines. This insect becomes established, laying its eggs on the leaves of oak trees. How can a biologist determine if the relationship between the insect and the oak tree is commensalism, mutualism, or parasitism?

Answers

Commensalism describes the interaction between the insect and the oak tree.

What is commensalism?

It is a type of biological interaction between two species in which one of the interacting species is benefitted while the other species is unaffected.

How is the above interaction commensalism?

Since the insect gets a safe place to lay its egg it gains from this interaction while the tree is unaffected.

When will this interaction be a mutualism interaction?

When both the organisms benefit from the interaction.
If the insect helps in the pollination of the tree while the insect gets a safe place to lay its egg.

When will this interaction be a parasitic interaction?

When one of the organism benefit at the expense of the other.
For example, If the insect sucks the sap of the tree on which it lays its egg. The insect benefits while the tree is harmed.

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Answer:

its D!!!

Explanation:

If the insect benefits and the tree neither benefits nor is harmed, the relationship is commensalism.

In this problem, you will apply kinematic equations to a jumping flea. Take the magnitude of free-fall acceleration to be 9.80m/s2 . Ignore air resistance. A flea jumps straight up to a maximum height of 0.460m . What is its initial velocity v0 as it leaves the ground?

Answers

As the flea jumps and leaves the ground, its speed is 'V₀'.

When the flea reaches its maximum height, its speed is zero.
(That's why it doesn't go any higher than that.)

Its average speed all the way up is

(1/2) (V₀ + 0) = V₀ / 2 .

The time it takes for the original speed to dribble down to zero is

V₀/g = V₀/9.8 .

Distance covered = (Average speed) x (time in motion)

          0.46 m = (V₀/2)   x   (V₀/9.8)

   0.46 =    V₀² / 19.6

   V₀² = (0.46 x 19.6) = 9.016

   V₀ = √9.016 = 3 m/s (rounded)

xf = 0. xi = 0. (you start and end at the same position, the ground). Your initial velocity is 2.62. gravity is 4.905.

xf = xi + vi(t) + 1/2(a)t^2.

0 = 0 + 2.62(t) + 1/2(-9.81)t^2
0 = 2.62t - 4.905t^2
4.905t = 2.62
t = 2.62/4.905
t = 0.5341488277268093781855249745158
time in three significant figures:
t = 0.534.

Explain convection in as little as possible