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
alex41 [277]
4 years ago
13

How can a river be used to produce electricity?

Physics
1 answer:
marysya [2.9K]4 years ago
4 0

Answer:

 Scientists at IIT Roorkee are testing a floating device that can generate electricity from flowing surface water of rivers and streams, paving the way for an alternative source of renewable energy.

Explanation:

hope it helps my dear friend.

You might be interested in
What do you know about muscular fitness activities?
Ulleksa [173]

Answer:

Examples of muscle-strengthening activities include:

lifting weights.

working with resistance bands.

heavy gardening, such as digging and shovelling.

climbing stairs.

hill walking.

cycling.

dance.

push-ups, sit-ups and squats.

Explanation:

3 0
3 years ago
A sky-diver jumps from a stationary balloon. His initial downwards acceleration is 10m/s².
Tatiana [17]

Explanation:

a. The force acting down is gravity, on Earth gravity is 10 m/s^2. When the skydiver jump, the acceleration will start out as -10 m/s^2, but it will eventually equals the air resistance , which is called terminal velocity.

5 0
2 years ago
Magnus has reached the finals of a strength competition. In the first round, he has to pull a city bus as far as he can. One end
ozzi

Answer:

The total work that the rope does to Mangnus is - 5780 Jules.

Explanation:

By definition, the work is defined as:

W=F.d

Where F and d are the force and the total displacement. Note that in the definition the product is a scalar product since F and d are both vectors.  

Take into account that according to third Newton's law the force that the rope does to Magnus is opposite to the force that Magnus does to the rope, therefore the scalar product will be negative due the rope's force goes against to Magnus displacement.  

For calculating the work, we take 2500 N as the value for the force and 2.312 meters as the value for the displacement:

W=-2500 N * 2.312 m

W=-5780 Nm = -5780 J

7 0
3 years ago
Rank the deformations of the following rods in terms of the magnitude of the average normal strain: (a) The length of a 1-m-long
kipiarov [429]

To solve this problem we will consider the concepts related to the normal deformation on a surface, generated when the change in length is taken per unit of established length, that is, the division between the longitudinal fraction gained or lost, over the initial length. In general mode this normal deformation can be defined as

\epsilon = \frac{\delta}{l} = \frac{l_0-l}{l}

Here,

\delta= Change in final length (l_0) and the initial length l

PART A)

\epsilon = \frac{\delta_1}{l}

\epsilon = \frac{l_0-l}{l_0}

\epsilon = \frac{1.02-1}{1}

\epsilon = 0.01961

PART B)

\epsilon = \frac{\delta_1}{l}

\epsilon = \frac{l_0-l}{l_0}

\epsilon = \frac{2-1.05}{2}

\epsilon = 0.475

PART C)

\epsilon = \frac{\delta_1}{l}

\epsilon = \frac{l_0-l}{l_0}

\epsilon = \frac{3.07-3}{3}

\epsilon = 0.0233

Therefore the rank of this deformation would be  B>C>A

7 0
3 years ago
What would whales communicate about?
jeyben [28]
Where danger is and how to avoid it as well as to locate other whales
4 0
3 years ago
Read 2 more answers
Other questions:
  • you can feel the heat waves from small electric heater on your hands and face even though the heater is on the other side of the
    9·1 answer
  • In a standing wave, areas of destructive are the?
    7·2 answers
  • Two balloons having the same charge of 1.2 × 10-6 coulombs each are kept 5.0 × 10-1 meters apart. What is the magnitude of the r
    6·1 answer
  • 15 grams of liquid plastic are frozen in a physical change that increases the volume. What can be known about the plastic after
    9·1 answer
  • What is the velocity of a freely falling object 5 seconds after being dropped ? After 6 seconds?
    9·1 answer
  • What type of wave interaction causes dead spots?
    6·1 answer
  • State and explain the principle of superposition of electrostatic force​
    14·1 answer
  • Explain what happens to the path of light as it hits a piece of black paper, a glass mirror, and a glass
    13·1 answer
  • If two objects crash into each other, what happens? Are both objects affected? How?
    7·1 answer
  • What is volt?<br><img src="https://tex.z-dn.net/?f=%20%5C%5C%20" id="TexFormula1" title=" \\ " alt=" \\ " align="absmiddle" clas
    10·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!