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
As you look out of your dorm window, a flower pot suddenly falls past. The pot is visible for a time t, and the vertical length
ololo11 [35]

Answer:

Explanation:

4 0
3 years ago
The ash produced when solid waste is incinerated is ______ than the original waste.
11111nata11111 [884]
The ash is more toxic
5 0
3 years ago
a cyclist applies a constant forward force of 20 N to maintain a velocity 2.5 m/s. how much power does the cyclist deliver?
forsale [732]

The power exerted by the cyclist is determined as 50 W.

<h3>Average power exerted by the cyclist</h3>

The power exerted by the cyclist is calculated as follows;

P = FV

where;

  • F is the applied force
  • V is velocity

P = 20 x 2.5

P = 50 W

Thus, the power exerted by the cyclist is determined as 50 W.

Learn more about power here: brainly.com/question/25263760

#SPJ1

4 0
2 years ago
A car rounds a 75-m radius curve at a constant speed of 18 m/s. a ball is suspended by a string from the ceiling the car and mov
Svetlanka [38]
The angle between the string and the vertical is computed by:
Centripetal acceleration Ac = V²/R = 18²/75 = 4.32 m/s² horizontal 
Gravitational acceleration g = 9.8 m/s² down 

Θ = arctan(Ac/g)
= arctan (4.32m/s^2 / 9.8 m/s^2)
= 23.79° is the answer.
8 0
3 years ago
A wave hits an object as shown. 2 vertical black lines with a small space between them have an arrow pointing left to the space
Ksenya-84 [330]

Answer:

The answer is diffraction

Explanation:

I just took the test and diffraction is what is being shown in the example

4 0
3 years ago
Other questions:
  • Wo gravitational forces act on a particle, in perpendicular directions. to find the net force, can we add the magnitudes of thos
    11·1 answer
  • I need help real quick. Please help me!!
    14·1 answer
  • PLEASE ANSWER FIRST GETS BRAINLIEST
    10·2 answers
  • what are the three types of solenoids, which one is the most common, and which one is used in pinball machines?​
    7·1 answer
  • Can someone give me tips for science camp!! Please
    8·2 answers
  • The student soon loses his balance and falls backwards off the board at a velocity of 1.0 m/s. Assuming momentum is conserved in
    5·1 answer
  • You have a rod with a length of 146.4 cm. You prop up one end on a brick which is 3.8 cm thick. Your uncertainty in measuring th
    15·1 answer
  • Please help me .... ​
    15·1 answer
  • Is
    5·1 answer
  • find the density, in g/cm3g/cm3 , of a metal cube with a mass of 50.3 gg and an edge length (l)(l) of 2.65 cmcm . for a cube v
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!