A. B. C. D.
-___________

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Answer 1

Answer: where is the data for this question? what is the purpose ?

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What is heat?What are it's units?
A bowling ball has a mass of 6 kg. What happens to its momentum when its speed increases from 2 m/s to 4 m/s? A) The initial momentum is 6 kg*m/s, and the final momentum is 3 kg*m/s B) The initial momentum is 12 kg*m/s, and the final momentum is 24 kg*m/s C) The initial momentum is 12 kg*m/s, and the final momentum is 3 kg*m/s D) The inital momentum is 6 kg*m/s, and the final momentum is 12 kg*m/s
A window washer who does not want to change his position will want the forces acting on him to be ____________. a. balancedb. largec. smalld. unbalanced
A coil of insulated wire is wound many times around an iron bar. The wire is connected to a battery and a contact switch. The contact switch is alternately flipped closed and left closed, so the wire carries a current through it, and then flipped open and left open, so that the current stops. Describe what magnetic fields are created, if those magnetic fields in turn induce an emf, and whether the induced emf is in the direction of the original current or opposite to it. Justify your answer using Lenz's law and the conditions which can cause a magnetic field to induce an emf. You may draw a diagram if it helps you to visualize the apparatus.
What is the acceleration of a 5.9 kilogram bowling ball if a force of 11 N is applied to it?

Which of these attributes is generally attributed to KeplerA).The Orbit of Mars is an Ellipse
B).The Earth is Round
C).Force of Gravity Between 2 objects Decreases with Distance
D).Planets Move in circles

Answers

Kepler's first "law":
The orbits of the planets are ellipses, with the sun at one focus.
This would include Mars.

What is the advantage of combining carbon from coal with steel?

Answers

The role of Carbon in steel is to increase hardness and tensile strength as well as response to heat treatment (hardenability). Increased amounts of carbon also reduces weldability. It is usually present to up to 2% carbon.

Microorganisms that occur or have adapted to live in a specific environment are called a. fomites. b. droplets. c. pathogen. d. flora.

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The microorganism that occurs or has adapted to live in a specific environment is called D. Flora. Normal Flora or Flora lives inside the body without harming the person. They are mostly found in the large intestine. I hope you find this helpful.

Which one of the following types of electromagnetic radiation causes certain substances to fluoresce?A. Cosmic rays
B. Infrared waves
C. X rays
D. Ultraviolet rays

Answers

The answer is D. Uv causes more stuff to fouresce

Answer:

D. Ultraviolet rays

Explanation:

How many potassium atoms are in 2 K2CO3?

Answers

(2× 19 ) + (2 × 19 ) = 76

You kick a ball with a speed of 14 m/s at an angle of 51 degrees. How far away does the ball land?A. 21.3 m
B. 19.6 m
C. 1.8 m
D. 3.96 m

Answers

Answer: The ball will land at 19.6 m

Explanation:

To calculate the horizontal range of the ball, we use the formula:

$R=(v^2\sin 2\theta)/(g)$

where,

v = velocity of the ball = 14 m/s

$\theta$ = angle at which the ball is thrown = 51°

g = acceleration due to gravity = $9.8m/s^2$

Putting values in above equation, we get:

$R=((14)^2* \sin (2* 51))/(9.8)\n\nR=19.6m$

Hence, the ball will land at 19.6 m

d may be the correct answer because speed is very low so ball should cover less distance but angle is not very high so it can cover little much distance

A. B. C. D.-___________

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A. B. C. D.
-___________