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
matrenka [14]
3 years ago
5

An airplane travels 2100 km at a speed of 1000 km/h. It then encounters a headwind which slows it to 800 km/h for the next 1300

km. What is the average speed for this plane trip?
Physics
1 answer:
Sidana [21]3 years ago
5 0
I don’t get it I need help
You might be interested in
Write a short note on escape velocity.​
andrezito [222]

Answer:

physics, escape velocity is the minimum speed needed for an object to escape from the gravitational influence of a massive body. The escape velocity from Earth is about 11.186 km/s (6.951 mi/s; 40,270 km/h; 25,020 mph)[1] at the surface. ... [2] Speeds higher than escape velocity have a positive speed at infinity.

6 0
3 years ago
Read 2 more answers
In a summer storm, the wind is blowing at a velocity of 8 m/s north. Suddenly in 3 seconds, the winds velocity is 23 m/s north.
cricket20 [7]

Answer:a=v-u/t

=23-8/3

=5m/s hope you got your answer

Explanation:

8 0
3 years ago
The river ______ pieces of ______ rock as it floats along.
kiruha [24]

Answer:

deposited, sedimentation

Explanation:

Rivers pick up pieces of  sediments then deposit them elsewhere.

Hope I helped.  :)

3 0
3 years ago
Read 2 more answers
A water tank has a mass of 3.64 kg when empty and 51.8 kg when filled to a certain level. What is the mass of the water in the t
mrs_skeptik [129]
Subtract the total mass of the tank and water by the mass of the empty tank. That will yield the mass of the water. 

51.8 - 3.64 = 48.16.

Your answer is 48.16 kg
3 0
3 years ago
What is the reactive force when a fish swims through water?
natima [27]
The answer is D

This is an example of Newton's third law of motion.

The active force is the fish against the water, so the reactive force would be the reverse, the equal force of the water on the fish.
7 0
3 years ago
Other questions:
  • What has to happen for a force to do work on an object?
    11·1 answer
  • A stockroom worker pushes a box with mass 11.2 kg on a horizontal surface with constant speed of 3.50m/s. The coefficient of kin
    15·1 answer
  • Does DNA produce any particular traits?
    7·1 answer
  • Multiply 2 cm by 100 to convert to meters​
    13·1 answer
  • What is the state of an object accelerating due to the force of gravity alone?
    8·1 answer
  • What is the unit for force?
    13·2 answers
  • Bruce has a momentum of 430kg m/s and is running at 7.8m/s. What is Bruce's mass?
    14·2 answers
  • ou have been called to testify as an expert witness in a trial involving a head-on collision. Car A weighs 660.0 kg and was trav
    8·1 answer
  • What is the frequency of the electromagnetic wave if the period is 1.54x10-15s
    8·1 answer
  • Thế nào là gương cầu lồi
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!