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
postnew [5]
4 years ago
5

Two long barges are floating in the same direction in still water, one with a speed of 10 km/h and the other with a speed of 20

km/h. While they are passing each other, coal is shoveled from the slower to the faster one at a rate of 1200 kg/min; see Fig. 7-35. How much additional force must be provided by the driving engines of each barge if neither is to change speed? Assume that the shoveling is always perfectly sideways and that the frictional forces between the barges and the water do not depend on the weight of the barges.
Physics
1 answer:
dem82 [27]4 years ago
3 0

Answer:

the answer is 132 kg I think

You might be interested in
Studies show that the amount of heat stored in the ocean is increasing. What effect might this have?
g100num [7]
This warming will have an effect on the bicarbonate buffer of the ocean.
4 0
3 years ago
Read 2 more answers
a=vf-vi/t is the equation for calculating the acceleration of an object. write out the relationship shown in the equation using
nevsk [136]

Answer:

Acceleration is defined as the ratio between the change in velocity of an object and the time it takes for the object to change the velocity.

In formula, this is written as:

a=\frac{v_f -v_i}{t}

where

vf is the final velocity

vi is the initial velocity

t is the time it takes for the object to accelerate from u to v

Note that acceleration is a vector, so it can also be caused by a change in the direction of the velocity, not only by a change in its magnitude.

8 0
4 years ago
Read 2 more answers
One property that electromagnetic waves differ from other types of waves is that they can
almond37 [142]
B.) travel in a vacuum
6 0
3 years ago
The range of electromagnetic waves placed in a certain order is called the
Anna35 [415]

Answer:Electromagnetic spectrum

Explanation:

7 0
4 years ago
The speed of a nerve impulse in the human body is about 100 m/s. If you accidentally stub your toe in the dark, estimate the tim
Hunter-Best [27]

problem is worked out down below in an attachment

5 0
3 years ago
Other questions:
  • The velocity of the wave involved in the Doppler effect:
    11·2 answers
  • Which compound is composed of oppositely charged ions?
    8·1 answer
  • The energy expenditure value of traveling by car is 3.6 MJ/passenger-kilometer. For one person making a trip of 1000 km, if a ga
    7·1 answer
  • How long does it take for changed in an ecosystem to be reversed
    8·1 answer
  • The core makes up about __% of the sun’s mass
    5·1 answer
  • If you help me answer these questions you will get 23 points!
    8·1 answer
  • What is the Law of Conservation of Energy? Give an example.
    8·1 answer
  • Numerical problems:
    10·1 answer
  • A mover pushes a 45 kg crate across a level floor with a force of 300 N, but the crate accelerates at a rate of only 4.44 m/s2 b
    9·1 answer
  • If a car is traveling at a constant speed of 100 kilometers per hour (km/h), how many hours will it take for the car to travel a
    12·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!