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
Elan Coil [88]
3 years ago
14

If an 800.0 Kg sports car slows to 8.0 m/s in the forward direction to check out an accident scene and a 1200.0 kg pick-up truck

behind them continues traveling at 15.0 m/s forward, with what velocity will the two move if they lock bumpers after a rear-end collision
Physics
1 answer:
Karo-lina-s [1.5K]3 years ago
8 0

Answer:

<h2><u>12.2m/s</u></h2>

Explanation:

Step one:

given data

mass m1=800kg

velocity v1=8m/s

mass m2= 1200kg

velocity v2=15m/s

Note: the two bodies move with the same velocity after collision, hence the common velocity is v=?

Step two:

the expression for the total momentum is

m1v1+m2v2=v(m1+m2)

substituting we have

800*8+1200*15=v(800+1200)

6400+18000=v(2000)

24400=2000v

divide both sides by 2000 to find v

v=24400/2000

v=12.2m/s

<u>Their common velocity is 12.2m/s</u>

You might be interested in
An instrument that measures and detects vibrations in earth is known as a _______.
FinnZ [79.3K]
A boom box, stereo set.
5 0
3 years ago
Read 2 more answers
Which statement best describes light, whether polarized or unpolarized?
marshall27 [118]
The best choice would be letter C hope this helps
6 0
3 years ago
Read 2 more answers
You observe lighting striking and then hear to sound 8 seconds later. The speed of sound in air is 340 m/s. How
Leto [7]

Answer:

2.72 Kilometers

Explanation:

8 × 340 m/s = 2720 m = 2.72 Kilometers

7 0
2 years ago
Sort the processes based on the type of energy transfer they involve.
alina1380 [7]
Types of energy transfer involve
Conduction, Convection, Evaporation,and Condensation  <span />
7 0
3 years ago
If 'P' represents white color flowers and 'p' represents purple color flowers, and you cross a PP plant with a pp plant, what wi
satela [25.4K]
The genotype for all offspring will be Pp making the flower color white.
4 0
2 years ago
Other questions:
  • in an experiment which the volume of dry sand is measured by the displacement of water, the sand was slightly wet to begin with.
    6·1 answer
  • Why is our (a person's) gravitational pull NOT as strong as the Earth's gravitational pull
    13·1 answer
  • Is the desert hot or cold?
    7·2 answers
  • Your pulse is caused by pressure of the blood on the artery wall, and it corresponds to your heart beat.
    6·2 answers
  • Since sound is a mechanical wave it needs a ...... to travel through
    5·1 answer
  • Select the correct answer.
    8·2 answers
  • Suppose a standing wave created on a spring that is 10.5 m long has a speed of 14 m/s and a frequency of 2 Hz. How many nodes an
    9·1 answer
  • If the sound source is moving then the pitch of the sound will ___________________ to the observer.
    10·1 answer
  • Which type of surface is best for absorbing sound waves?
    12·2 answers
  • A 12 V battery is connected to a resistor, a light bulb, and a buzzer. What are the energy conversions that occur in the circuit
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!