View the image below and answer the question.The illustration above is an example of which of Newton's Laws?
a
Universal Law of Gravitation
b
Newton's Second Law
c
Newton's First Law
d
Newton's Third Law
Answers
Answer:
C. Newton's First Law of Motion
Explanation:
As the car comes to an abrupt stop, the body is still moving forward, and is moved back by the seatbelt, an outside force. If not for the seatbelt, the body would continue forward until acted on by the car itself, or thrown out of the car.
Answer:
1st law
Explanation:
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The main purpose of the turbine in the turbojet engine is to A. drive the compressor.B. reduce the temperature of the exhaust gas.C. increase the velocity of the exhaust gases.D. compress the air. ~IT is NOT D.
Humans can perceive infrared light with their eyes. True or false
The light in this diagram is producing light.Which best describes the process of energy conversion to accomplish this?A.Electrical energy turns the rod. This energizes the coil. The magnetized coil generates an electric current. The electric current goes through the wires to power the lightbulb.B.Mechanical energy turns the rod. This electrifies the coil. The electrified coil generates a magnetic field. The magnetic field goes through the wires as electricity to power the lightbulb.C.Mechanical energy turns the rod. This magnetizes the coil. The magnetized coil generates an electric current. The electric current goes through the wires to power the lightbulb.D.The magnetic energy in the coil turns the rod. The rod generates an electric current. The electric current goes through the wires to power the lightbulb.
Calculate the buoyancy of the balloon as "grams lift," that is, the difference between the mass of an equal volume of dry air at the same temperature and pressure and the mass of the He in the balloon. Assume the molar mass of air is 28.8 g/mol.
Answers
A material that can be represented by a chemical formula is a chemical compound.
What are chemical compounds?
Chemical compounds are substances made up of two or more different elements that are chemically bonded together in a specific arrangement. The elements in a compound can be either metal or nonmetal elements, or a combination of both.
Here,
A chemical compound is a substance made up of two or more different elements that are chemically bonded together. The chemical formula of a compound provides information about the types and numbers of atoms in a molecule of the compound.
For example, water is a chemical compound represented by the formula H2O, which tells us that each molecule of water contains two hydrogen atoms (H) and one oxygen atom (O) bonded together.
Chemical formulas are important tools for chemists to communicate information about the composition and structure of compounds. They allow scientists to predict how compounds will react and to design new compounds with desired properties.
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For example O2 is a chemical formula and represents the element oxigen, because it exists as a diatomic molecule in the air.
NaCl is a chemical formula and represents sodium chloride
CH4 is a chemical formula and represents methane.
Answers
Answer:
The baseball will accelerate.
Explanation:
According to Newton's second law,
The force is the product of the mass and acceleration of the object.
In mathematically term
Where, m = mass
a = acceleration
If we hit a baseball with a bat it will accelerate by the applied force.
Hence, The baseball will accelerate.
Answers
Answers
Answer:
v = 12,4 m/s
Explanation:
frictionless means all gravitational Energie (Eg) will be converted to kinetic Energie (Ek)
Ek = 0.5 * m * v^2
Ez = m * g * h
Ek = Ez
0.5 * m * v^2 = m * g * h
divide left and right of the = sign by m.
(This means that the final velocity is independent of the mass of both children !)
0.5 * v^2 = g * h
v^2 = 2 * g * h
v = +- SQRT (2 * g * h)
with
g = 9.8 m/s^2
h = 7,8 m/s
v = +- SQRT (2 * 9.8 * 7.8)
v = +- SQRT (152.88)
(v = - 12,4 m/s has no meaning in this case)
The velocity 7,8 m below the starting point, will be
v = 12,4 m/s
Answer:
the answer is 336.96 mph
Explanation:
hope this helps ^_~
Answers
Answer:
v = 0
Explanation:
Given that,
Total distance is 50 yards
Dugan got an early lead by finishing the first 25.00 yd in 10.01 seconds
Dugan finished the return leg (25.00 yd distance) in 10.22 seconds.
We need to find Dugan's average velocity for the entire race. As he returns at the initial position. As a result, the net displacement is equal to 0. So,
Average velocity = net displacement/time
v = 0
Hence, his average velocity for the entire race is 0.
Final answer:
Dugan's average velocity for the entire 50 yd race is 2.47 yd/sec, calculated by dividing the total distance (50 yd) by the total time (20.23 sec).
Explanation:
The first step involved is to calculate the total distance that Dugan had covered. In this case, he swam 25 yd twice, making the total distance 50 yd.
Next, we need to find the total time it took Dugan to swim the entire distance. We add the time of the first leg, which is 10.01 seconds, to the time of the return leg, which is 10.22 seconds, providing a total time of 20.23 seconds.
The average velocity is defined as the total distance divided by the total time. So, for Dugan, it would be 50 yd divided by 20.23 sec, which equals 2.47 yd/sec (rounding to the nearest hundredth).
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1.0 x 10^2 A
1.0 x 10^-10 A
4.0 x 10^0 A
Answers
I = 2.0 x 10^-4 C / 5.0 x 10^-5 s
I = 4 A
Q= I×t
Where Q is charge in Coulombs C,
I is current in Amperes A,
t is in seconds s.
The rate of current flow is defined as the charge passing through a point in the circuit per second.
Rearranging formula gives I=
⇒I = = 4 Amperes
∴ current flow = 4.0×10^0 A