The other force that must be acting on the duck is upthrust of 10 N.
The given parameters;
weight of the rubber duck, W = 10 NWhen the weight of the object is equal to the upthrust, the apparent weight will be zero and the object will float in the liquid. This is known as principle of floatation.
Since the given weight of the rubber duck is 10 N, then the upthrust on the duck will be 10 N to enable the duck float on the water.
Thus, the other force acting on the duck is upthrust of 10 N.
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with well labelled diagrams , describe how a bicycle pump works
Explanation:
this is almost similar to how a syringe works. when the pump is drown out, air in the barrel expands and pressure is reduced to below atmospheric pressure. the air from outside the pump is at high pressure so it flows past the leather washer into the barrel. at some point, the higher pressure in the tyre closes for valve.
when the pump handle is pushed in the air is forced into the tyre though the tyre valve which now opens
Calculate the weight of a 2.3 kg squirrel
Answer:
Lemme think rq
*inserts writing noises*
*insert intese thinking*
*insert big brain moment*
Well the weight IS 2.3 kg so I think the weight of a squirrel is 2.3 kg
Using the solubility curvechoose all of the statements that are correct
Explanation:
where are the statements
A book is resting on the floor. It has 25 J of energy. A student lifts the book and places it on the top shelf of a bookshelf. The student uses 200 J of energy to lift the book onto the shelf. How much energy does the book have at the top of the shelf?
A.Exactly 25 J
B. About 225 J
C. At least250 J
D.Negative 175 J PLSS QUICK (3 minutes at most) ILL GIVE 70 POINTS AND BRAINLIEST (FOR CORRECT ANSWER)
Answer and Explanation:
A. Exactly 25 J.
This is because the 25 J of energy that is holding down the book will always be the same, unless another force is being applied to hit to either make it heaver for a combined force of J energy, or something is lifting it, which will subtract the force of J of energy whilst moving.
#teamtrees #PAW (Plant And Water)
Which of the following shows the relationship between work and energy?
O A. Work = total energy
B. Work = gravitational potential energy
C. Work = change in kinetic energy
D. Work = change in nonconservative forces
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sis i love the eren season 1-2-3-4 but the eren season 5?....... i just :')
Answer:
Explanation:
Aaron yogurt supremacy
Which two types of energy are being produced in the picture?
A
electrical energy and light energy
B
electrical energy and sound energy
C
mechanical energy and light energy
D
mechanical energy and sound energy
Answer:
dion sanders
Explanation:c
Which color has the lowest frequency?
Name two things that Arjun and Diya did to get accurate measurements of the angles in their experiment
Answer:
i dont know them
Explanation:
how to calculate acceleration
Answer:
Acceleration (a) is the change in velocity (Δv) over the change in time (Δt), represented by the equation a = Δv/Δt. This allows you to measure how fast velocity changes in meters per second squared (m/s^2). Acceleration is also a vector quantity, so it includes both magnitude and direction.
Explanation:
hope it help mark me as brill please
Answer:
acceleration equals the change in velocity divided by time
Explanation:
If the specific heat of iron = 0.46J C, how much heat is needed to warm 50 g of iron from 20C to 100C
Answer:
1840 J
Explanation:
From the question given above, the following data were obtained:
Specific heat capacity (C) = 0.46 J/gºC
Mass (M) = 50 g
Initial temperature (T₁) = 20 °C
Final temperature (T₂) = 100 °C
Heat (Q) required =?
Next, we shall determine the change in the temperature. This can be obtained as follow:
Initial temperature (T₁) = 20 °C
Final temperature (T₂) = 100 °C
Change in temperature (ΔT) =?
ΔT = T₂ – T₁
ΔT = 100 – 20
ΔT = 80 °C
Finally, we shall determine the heat required. This can be obtained as follow:
Specific heat capacity (C) = 0.46 J/gºC
Mass (M) = 50 g
Change in temperature (ΔT) = 80 °C
Heat (Q) required =?
Q = MCΔT
Q = 50 × 0.46 × 80
Q = 1840 J
Thus, 1840 J of heat energy is required.
What is inertia and how can you increase an object's inertia?
Answer:
Explanation:
Inertia is the property of a body by virtue of which it opposes any agency that attempts to put it in motion or, if it is moving, to change the magnitude or direction of its velocity.
The more mass, the more inertia. If you increase the mass of the object then you increase the inertia.
Answered by the ONE & ONLY #QUEEN
HOPED THIS HELPED!!
An atom's atomic mass (mass number) is its number of
Answer:
Is equal to the sum of the number of protons and neutrons in the nucleus.
Explanation:
Which of these are part of the electromagnetic spectrum?
Question options:
gamma rays
visible light
microwaves
sound waves
radio waves
Answer: A, C, E
Explanation:
Gamma rays, Microwaves, and Radio waves
If e is the electric field near an infinite sheet of charge and E is electric field between two similarly charged parallel plates then what will be the relation
Answer:
* the two plates of the same sign E = 0
* the two plates of different sign E/e = 2
Explanation:
In this exercise, the relationship between the field created by a plate and two infinite plates is asked.
The electric field created by each plate has the value of "e", which is related to the charge on the electric plate.
e = [tex]\frac{ \sigma }{2 \epsilon_o}[/tex]
If the plate is negative the electric field is directed towards the plate and if the plate is positive the electric field is directed out of the plate.
The test charge is always positive.
When we have two plates, we have several possibilities
* the two plates of the same sign
therefore the resulting electric field on the test charge is
E_total = e - e
E = 0
* the two plates of different sign
E_total = e + e
E = 2 e
the relationship between the two fields is
E/e = 2
I REALLY NEED HELP!!
The velocity of a car increases from +4.0 m/s to +16.0 m/s
in a time period of 4.0 s. What was the average
acceleration?
Answer:
Explanation:
Although we do have an equation for this in terms of one-dimensional motion, it's easy enough just to use the mathematical definition of acceleration:
[tex]a=\frac{v_f-v_0}{t}[/tex] which says, in words, the acceleration of an object is equal to the objects final velocity minus its initial velocity, divided by the change in time. Since everything is given in m and s, our answer will be in m/s/s:
[tex]a=\frac{16.0-4.0}{4.0}[/tex] and
[tex]a=\frac{12.0}{4.0}[/tex] so
a = 3.0 m/s/s
_______ is the process which causes magma to form.
Answer:
flux melting
Explanation:
Flux melting is the process that causes magma to form. Flux melting happens when water or carbon dioxide exists added to rock.
What is meant by Flux melting?When rock is exposed to water or carbon dioxide, flux melting occurs. The rock melts at lower temperatures as a result of these substances. This causes magma to form where it had a solid structure before. Around subduction zones, flux melting also happens, much like heat transfer.
Flux melting happens in igneous petrology and volcanology when water and other volatile substances are added to hot solid rock, depressing the solidus. Flux is a material, such as salt, that produces a mixture with a metal oxide that has a low melting point (liquidus) in engineering and metallurgy.
To learn more about Flux melting, refer to:
https://brainly.com/question/24214679
#SPJ2
A bucket of water is pushed from left to
right with increasing speed across a horizontal
surface. Consider the pressure at two points
lat the same level in the water.
Answer:
It is higher at the point on the left
Explanation:
Suppose that we replace the aluminum with a mystery metal and repeat the experiment in the video. As in the video, the mass of the metal is the same as that of the water. Room temperature is about 20∘C before the start of the experiment. The water heats up to 40∘C, and the mystery metal heats up to 80∘C. Compared to that of water, the heat capacity of our mystery metal is
Answer: b) one-third as great.
Explanation:
The options include:
a) three times greater.
b) one-third as great.
c) half as great.
d) two times greater.
e) the same.
Since the water heats up to 40°C and the room temperature is about 20°C before the start of the experiment, heat absorbed will be: (40°C-20°C).= 20°C
Since mystery metal heats up to 80∘C and the room temperature is about 20°C before the start of the experiment, heat absorbed will be: (80°C-20°C).= 60°C.
Therefore, based on the calculation, when compared to that of water, the heat capacity of our mystery metal is (20/60) = 1/3 one-third as great.
Dani says, "This classroom is 11 meters long. A meter is longer than a yard, so if I measure the length of this classroom in yards, I will get less than 11 yards."
Do you agree with Dani ?
Answer:
im not sure i just need points....
Explanation:
17. When people replace systems, even when they still work, this is an example of... *
A. Consumerism
B. Automation
C. Manual Labour
D. None of the above
I'm gonna have to guess B) Automation sorry if I get it incorrect
The picture below shows a wheelbarrow. Using a wheelbarrow can make it easier to lift a heavy object by
A. changing the direction of the input force.
B. reducing the amount of input force needed to lift the object.
C. decreasing the distance over which the input force is applied.
D. reducing the weight of the object.
Answer:
B IS CORRECT
Explanation:
What will be the change of velocity of a 50kg object if a force of 2,000N
is applied to it for 0.010 seconds?
Answer:
0.4m/s
Explanation:
[tex]F = ma[/tex] where F= force, m= mass, and a=acceleration
we also know that,
a = Δv / t where Δv = change in velocity and t = time
thus F = m ( Δv / t)
[tex]2000=50(\frac{v}{0.01})[/tex]
[tex]\frac{2000}{5000} = v[/tex]
0.4m/s = Δv
Describe how Newton's 1st Law of Motion is used on a daily basis at school.
how can juggling improve your hand eye coordination?
Answer:
you can predict where the juggling ball is going to land and the move you hand to catch it
Explanation:
NO LINKS OR UNUSEFUL ANSWERS
What is the trade off between the input and output forces when someone uses a screw?
Planet A has a tilt of five degrees. What seasonal changes would be expected on this planet? Extreme temperature changes between seasons Little to no change in temperatures between seasons Seasonal changes along the equator only Seasonal changes at the poles only
Answer:
Little to no change in temperatures between seasons.
Reason: because i got it right on the test, and i smart
Answer:
Little to no change in temperatures between seasons.
Explanation:
I can confirm this is right
GIVING BRAINLIEST PLEASE HELP!!
-if you answer correctly ill give you brainliest which will give you 23pts-
Explain how surface waves can have characteristics of both longitudinal waves and transverse waves. Please use 3 content related sentences
Answer:
they can have both ways because it turns out that they can go into different ways light waves are associated with constantly like her to certain ways or
most people use the term light waves when they usually mean visible light in physics however these terms like veins are trying to be used as a synonym of electronic waves electric razor made of skull in magnetic and electric field like always they carry energy
What is Heat engine?
Answer:
An engine made of heat!
Okay actual answer, A heat engine is a mechanical energy converter that transforms heat or thermal energy to mechanical energy.