a wagon weighing 1800 newtons is pulled by a horse at a speed of 0.40 m/sec. what is the power of this horse?

Answers

Answer 1
Answer: Power is equal to (Newtons x meters)/time, also known as the following equation...

P = Fd/t

Your force is 1800Newtons and your velocity is 0.4m/s
Velocity is equal to distance/time, also known as the following equation...

v = d/t

So your equation is basically P = Fv

P = 1800N x 0.4m/s

P = 720 Watts

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When an object is charged, what type of subatomic particle is transferred between objects?

Answers

Electrons are transferred. The object that loses some becomes positively
charged. The object that gains some becomes negatively charged.

Answer:

electrons

Explanation:

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Who was the first man in orbit? A. Neil Armstrong
B. Yuri Gagarin
C. John Glenn
D. Valentina Tereshkova

Answers

         Believe it or not, the Russians were the first ones in space! So actually yuri Gagarin was the first man in orbit. Hope this helped :D

Answer:

Yuri Gagarin

Explanation:

He was the first man in orbit

PLEASE HELP*******use the table to find the acceleration of the object for the time interval 1.0 to 4.0 seconds ​

Answers

Answer:

acceleration for time interval from 1 sec to 4 second is 1.5 metre/second^2

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1 C is the total charge associated with 6.242 x 10¹⁸ electrons. How many electrons will pass through the cross section of a conductor if 50 μA of current flows for 5 s?

Answers

Answer:

Q = I t = 5.00E-8 C/s * 5.0 s = 2.5E-7 C   total charge due to 50 μC for 5 sec

6.242E18 electrons / C * 2.5E-7 C = 1.6E12 electrons

       

Which of the following is a chemical change?a. ice melting
b. ice being carved
c. water boiling
d. water breaking down into hydrogen and oxygen

Answers

water breaking down into hydrogen and oxygen

Explain three differences between a science and a pseudoscience.

Answers

1) science does not accept personal story's as evidence, pseudoscience relies on these story's as evidence.
2) science argues from scientific knowledge, pseudoscience argues from ignorance 
3) science progresses, pseudoscience  does not progress
and 4) (just in case) science holds pier review, pseudoscience does not