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
dezoksy [38]
2 years ago
6

A 15 kg object and a 18 kg object are connected by a massless compressed spring and

Physics
1 answer:
MatroZZZ [7]2 years ago
5 0

Hi there!

This is an example of a recoil collision.

Using the conservation of momentum:

p_i = p_f

The initial momentum is 0 kgm/s (objects start from rest), so:

p_f = 0

We are given that the 15 kg block has a velocity of 12 m/s to the left, so:

m_1v_1' + m_2v_2' = 0 \\\\15(-12) + 18v_2' = 0 \\\\

Solve for v2':

18v_2' = 180 \\\\v_2' = \boxed{10 m/s}

You might be interested in
Which type of circuit is shown?
ivann1987 [24]

Answer:

I think it's D. open series circuit .

Explanation:

<em>hope</em><em> it</em><em> helps</em><em> you</em><em>!</em>

7 0
3 years ago
3) A 15.0kg cannonball is ascending after being launched. Neglect drag.
WINSTONCH [101]

Answer:

c

Explanation:

3 0
3 years ago
What is solar energy I need lots of detail
Whitepunk [10]
Solar energy is that energy remaining from the sun that we store in solar panels. This energy is produced because of its nucleus.
3 0
3 years ago
Read 2 more answers
The engineer of a train traveling at 30 m/sec sees a cow on the tracks. He applies the brakes and causes the train to accelerate
sineoko [7]

Answer:The train travels 105 meters after applying the brakes

Explanation:If he decelerates 1.5 every minute, then he went from 28,5 m/s, to 27.0 m/s, to 25.5 m/s, to 24.0 m/s, after 4 seconds. Add all this together and youll get 105 meters moved in 4 seconds after he hit the brakes, I dont have a notebook on me though sorry :/

8 0
2 years ago
The magnetic field lines of a bar magnet spread out from the north end to the south end. South end to the north end. Edges to th
Gwar [14]
<h3><u>Answer;</u></h3>

the north end to the south end.

<h3><u>Explanation;</u></h3>
  • Magnetic field lines from a bar magnet form lines that are closed. The direction of magnetic field is taken to be outward from the North pole of the magnet and in to the South pole of the magnet.
  • A magnetic field refers to  the area surrounding a magnet where a force is exerted on certain objects. These lines are spread out of the north end of the magnet.
  • The magnetic field lines resemble a bubble.
3 0
3 years ago
Read 2 more answers
Other questions:
  • 013 Indianapolis 500 champion Tony Kanaan holds his hand out of his IndyCar while driving through still air with standard atmosp
    11·1 answer
  • Suppose a scientific team is trying to recreate the energy-producing reactions tht occur in the sun.what would they need for the
    9·2 answers
  • A net force of 25.0 N causes an object to accelerate at 4.00 m/s2. What is the mass of the object?
    15·2 answers
  • in the history of astronomy, which of the following is true? a. galileo galilei was a student of tycho brahe. b. johannes kepler
    12·1 answer
  • Orbit is gravity pulling an object into a curved path as it attempts to fly off in a straight line .
    12·2 answers
  • A systematic error in data is called
    9·1 answer
  • Electric charges are either positive or ____
    8·2 answers
  • Covert 35000000 miles to meters and show how you got the answer?
    9·1 answer
  • The combination of an applied force and a friction force produces a constant torque of 36.0 N⋅m on a wheel rotating on a fixed a
    11·1 answer
  • Which of the following is NOT an example of the 3rd law of motion (for every Action, there is an equal but opposite reaction?
    9·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!