1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
lesya [120]
2 years ago
12

A yellow train of mass 100 kg is moving at 8 m/s toward an orange train of mass 200 kg traveling in the opposite direction on th

e same track at a speed of 1 m/s. What is the initial momentum of the yellow and orange trains combined?
A. 200 kgm/s
B. 1000 kgm/s
C. 800 kgm/s
D. 600 kgm/s
Physics
1 answer:
Serhud [2]2 years ago
5 0

The initial momentum of the yellow and the orange train is 1000kgm/s.

Momentum is the product of the mass and velocity of any object.

Momentum is denoted by P.

Momentum P = mv , where m = mass and v = velocity.

<h3>Given:</h3>

Mass of the orange train = 200kg

Velocity of the orange train = 1m/s

So, the momentum of the orange train will be,

                            ∴    P = mv

                                  P = 200 x 1

                                  P = 200 kgm/s

∴   The initial momentum of the orange train is 200kgm/s.

Mass of the yellow train = 100kg

Velocity of the yellow train = 8m/s

So, the momentum of the yellow train will be,

                            ∴    P = mv

                                  P = 100 x 8

                                  P = 800 kgm/s

∴ The initial momentum of the yellow train is 800kgm/s.

Therefore, the initial momentum of the yellow and the orange train is 1000kgm/s.

Learn more about momentum here:

brainly.com/question/25849204

#SPJ1

You might be interested in
A veritical brass rod of circular section is loaded by placing a 10 kg wt on top of it .if it's length is 1 m. it's radius of cr
Inga [223]

Answer:

4.37 * 10^-4 J

Explanation:

Energy stored :

mgΔl / 2

m = mass = 10kg ; g = 9.8m/s² ; r = cross sectional Radius = 1cm = 1 * 10-2 m

Δl = mgl / πr²Y

Y = Youngs modulus = Y=3.5 ×10^10 ; l = Length = 1m

Δl = (10 * 9.8 * 1) / π * (1 * 10^-2)²* 3.5 ×10^10

Δl = 98 / 3.5 * π * 10^6

Δl = 0.00000891267

Energy stored :

mgΔl / 2

(10 * 9.8 * 0.00000891267) / 2

= 0.00043672083 J

4.37 * 10^-4 J

3 0
2 years ago
two thermometers, calibrated in celsius and fahrenheit respectively, are put into a liquid. the reading on the fahrenheit scale
Viefleur [7K]
Two thermometers, calibrated in celsius and fahrenheit respectively, are put into a liquid. the reading on the fahrenheit scale is four times the reading on the celsius scale. the temperature of the liquid is:

6 0
3 years ago
energy can exist in many different forms including those you can detect in a burning fire or in a light bulb which of these choi
In-s [12.5K]

Answer:

energy can exist in many different forms

Explanation:

7 0
3 years ago
g A wheel of diameter 8.0 cm has a cord of length 6.0 m wound around its periphery. Starting from rest, the wheel is given a con
sveticcg [70]

To solve this problem it is necessary to apply the equations related to the description of the tangential and angular movement.

The displacement where the speed and acceleration is related is given by the equation:

x = v_0t+\frac{1}{2}at^2

Where

v_0 = Initial velocity (0 because start from rest)

t = time

a = Acceleration

We have angular acceleration but not tangential acceleration. Tangential acceleration can be obtained through the relationship

a = r\alpha \rightarrow r = \frac{diameter}{2}

a = \frac{0.08}{2}(3)

a = 0.12m/s^2

And we have also that the displacement is

x = 6m

Now replacing,

x = v_0t+\frac{1}{2}at^2

6 = 0*t+\frac{1}{2}(0.12)t^2

6 = \frac{1}{2}(0.12)t^2

t = 10s

Therefore will take the cord to unwind around 10s

7 0
3 years ago
Read 2 more answers
calculate the charge on the maximum capacitor if a battery of potential difference 1.5 volts is placed across the plates.
salantis [7]

If a battery with a potential difference of 1.5 volts is placed across the plates, the maximum capacitor will have a charge of 36 V.

<h3>What possible variations are there in a 1.5 volt battery?</h3>

1 V is, by definition, a potential energy differential between two places equal to one joule for every coulomb of charge. Your query is resolved by that. Between the sites where that potential difference is measured, 1.5V denotes a potential energy differential of 1.5 joules per coulomb.

<h3>How do you determine the difference in potential energy?</h3>

ΔV=VB−VA=ΔPEq. By dividing the potential energy of a charge q that has been transported from point A to point B by the charge, we may define the potential difference between points A and B as VBVA. The joules per coulomb, sometimes known as volts (V) in honor of Alessandro Volta, are the units of potential difference.

To know more about potential energy difference visit ;

brainly.com/question/12807194?

#SPJ4

5 0
1 year ago
Other questions:
  • You are standing 2.5 m directly in front of one of the two loudspeakers shown in the figure. they are 3.0 m apart and both are p
    10·1 answer
  • An object initially at rest experiences an acceleration of 12 m/s2 for a time of 5 s. How far will it travel during that time?
    8·1 answer
  • A nail in a pine board stops a 4.9-N hammer head from an initial downward velocity of 3.2 m/s in a distance of 0.45 cm. In addit
    11·1 answer
  • What percentage of energy consumed in the united states is nonrenewable??
    15·1 answer
  • Definition determining volume
    6·1 answer
  • Which type of light bulb uses phosphors?
    7·1 answer
  • Question 12 of 34 Which of the following means that an object is slowing down? /13 ယာ O A. Its velocity is decreasing. B. Its ac
    15·1 answer
  • Physicists and engineers from around the world have come together to build the largest accelerator in the world, the Large Hadro
    11·1 answer
  • A 0.454-kg block is attached to a horizontal spring that is at its equilibrium length, and whose force constant is 25.0 N/m. The
    10·1 answer
  • A mimibus drives with a constant speed of 39 km/h. how far can it travel in 1.94 hours?
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!