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
dimaraw [331]
2 years ago
7

a 10kg box car rolls at 6m/s and crashes into a 20kg box car that is at rest. After the crash, both cars are stuck together. wha

t is their velocity?​
Physics
1 answer:
Goshia [24]2 years ago
5 0

Answer:

Their velocity is 0m/s because the first box was only 10 kg and the second box was double the weight

You might be interested in
What does the blackboard do when white light falls on it?​
shusha [124]
Actually a black board has all colours in light or white light . So when light falls on it board absorbs all colours because all are present so no light is reflected back. That is the case, and so it will appear black as it absorbs all colours of light that fall on it .
5 0
3 years ago
How can you use litmus paper to distinguish an acid from a base?
11Alexandr11 [23.1K]
Hello! When litmus paper is placed in an acid, it usually turns red. When it is placed in a base, it turns dark-purple. Hope this helps! :)
7 0
3 years ago
During a baseball game a pitcher threw a baseball, and the catcher, who was behind home plate, caught it. Which is true about th
shtirl [24]

Answer:

If the pitcher catches the ball after it has been hit by the hitter, but before it touches the ground, the hitter is out, and, if there are not yet three outs but there is a runner on the bases, the pitcher can try to get a second (or third) out by throwing the ball to the appropriate baseman.

Explanation:

The catcher plays behind home plate in a baseball . The catcher plays an important role in baseball game.  He is the main part of the battery with the pitcher. The catcher catches the pitches and help to call the game.

Catcher is the Best Baseball Position.

First Base is the Best Baseball Position.

Second Base is the Best Baseball Position.

Third Base is the Best Baseball Position:

Shortstop is the Best Baseball Position.

Right Field is the Best Baseball Position.

7 0
3 years ago
what happens to the specific heat capacity of a material if it changes state? i.e. from solid to liquid
Zigmanuir [339]

Answer:

A solid substance at its melting point has less energy than the same mass of the substance when it is a liquid at the same temperature. ... This heat energy allows the change of state to happen, and the temperature remains constant during the process.

Explanation:

6 0
3 years ago
How do you write a letter to the editor of a newspaper in reference to bullying
suter [353]

How do you write a letter to the editor?

Open the letter with a simple salutation. ...

Grab the reader's attention. ...

Explain what the letter is about at the start. ...

Explain why the issue is important. ...

Give evidence for any praise or criticism. ...

State your opinion about what should be done. ...

Keep it brief. ...

Sign the letter.

5 0
3 years ago
Other questions:
  • Which evidence did Ottowa scientists collect in researching PCB concentrations in Alaska?
    9·2 answers
  • Work is the product of ___<br> _ and an object's displacement.
    15·1 answer
  • Which statement describes the difference between speed and velocity
    8·2 answers
  • What happens when the inner ear is exposed to very loud noises?
    12·2 answers
  • The enthalpy of fusion of ice is 330,000 J/kg. If I have a 1 kg sample, how much energy is needed to melt all of it?
    15·2 answers
  • No interior de um calorímetro de capacidade térmica 6 cal/°C encontram-se 85 g de um líquido a 18°C. Um bloco de cobre de massa
    15·2 answers
  • "a horn emits a frequency of 1000 HZ. A 14 m/s wind is blowing toward a listener. What is the frequency of the sound heard by th
    14·1 answer
  • How far away are the Stars?
    15·1 answer
  • A baseball of mass 0.25 kg is hit at home plate with a speed of 40 m/s. When it lands in a seat in the left-field bleachers a ho
    15·1 answer
  • Consider the transition from the energy levels n = 3 to n = 5. What is the wavelength associated with this transition, in nm?
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!