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
Elodia [21]
2 years ago
5

a train travelled from city A to city B. For the first 14 hours, it travelled at an average speed of 120 km/h for the next 10 ho

urs, it travelled at an average speed of 90km/h what was the average speed of the whole journey?
Physics
1 answer:
saveliy_v [14]2 years ago
8 0

Answer:

<h2> 107.5 </h2>

Explanation:

<h2><em>120 x 14= 1680 </em></h2><h2><em> </em></h2><h2><em>90 x 10= 900 </em></h2><h2><em> </em></h2><h2><em>Now you add 1680+900= 2580 </em></h2><h2><em> </em></h2><h2><em>Then you divide the distance (2580) between the speed (14+10) </em></h2><h2><em> </em></h2><h2><em>2580/24= 107.5</em></h2>
You might be interested in
What should a model of the rock cycle show as the process that changes metamorphic rock to igneous rock?
Ratling [72]

Answer:

Rock cycle describes the concept in geology that shows the changes in the rock type in the geologic time.

Many processes undergoes in the rock cycle that leads to transition of rocks, the process that changes metamorphic rock to igneous rock is melting and crystallization. The metamorphic rock melts under high pressure and temperature and which crystallizes into a completely different kind of rock, called igneous rock.

7 0
3 years ago
With a diameter that's 11 times larger than Earth's, _______ is the largest planet.
Svetradugi [14.3K]
With a diameter that's 11 times larger than Earth's, Jupiter is the largest planet.

Jupiter is the biggest planet in the solar system. No wonder ancient astronomers named it after Jupiter, King of the Roman gods. More than 1,000 planets the size of Earth could fit inside Jupiter. A tunnel through Jupiter would be 11 times longer than a tunnel through Earth. A trip around Jupiter equator would take 6 times longer than a trip around the Earth's equator.
5 0
2 years ago
Read 2 more answers
Speed that does not change is known as the:
svetoff [14.1K]
Answer: Final speed

Explaination: because its final.
4 0
2 years ago
Read 2 more answers
If the voltage output of a digital manifold absolute pressure (MAP)sensor is 2 volts, the approximate engine vacuum is _______ i
LenaWriter [7]
The correct answer to this question is 15
3 0
2 years ago
Sound waves with frequency higher that 20,000 Hz are referred to as
Solnce55 [7]
<span>Sound waves with frequency higher that 20,000 Hz are referred to as "Ultrasonic"

Hope this helps!</span>
4 0
2 years ago
Other questions:
  • A monatomic ideal gas in equilibrium at a pressure of 3 kPa and a temperature of 300 K is initially confined in a volume of 1.3
    13·1 answer
  • A ship can carry more load than aeroplane of same size. why?​
    14·1 answer
  • What is the best description of the acceleration of an object?
    15·1 answer
  • A certain type of D-cell battery that costs $0.50 is capable of producing 1.3 V and a current of 0.3 A for a period of 75 hours.
    9·1 answer
  • Suppose a person sits on a skateboard with her feet up and throws a ball. Explain why she will move as a result of throwing the
    13·1 answer
  • A 4V source is connected across a 2μF capacitor. Find the charge on this capacitor.
    15·1 answer
  • A 7.3 kg bowling ball would require how much force if you use a broom to
    10·1 answer
  • When is the object at rest? in constant speed? accelerating?​
    9·1 answer
  • How much sugar can dissolve in 25 ml of water 25 C
    7·1 answer
  • what happens to the average molecular speed in an ideal gas if you triple the volume and keep the same temperature ?
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!