Which mass extinction occurs the slowest? A. Asteroids
B. Climate Change
C. Volcanic Eruption
Answers
Answer:
B. climate change
Explanation:
asteroids are too big and volaconos are probably gonna create a lot of smoke that can kill ya in seconds so I guess climate change
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How many g in 6 1/2 kg
Which statement best describes the formation of diamonds? A. Diamonds form in kimberlites under very low pressure. B. Diamonds form in kimberlites under very high pressure. C. Diamonds form in talc under very high pressure. D. Diamonds form in talc under very low pressure.
Voltage sources are used to sustain a. the flow of protons b. chemical reactions c. resistance d. the movement of electric charge
Answers
Final answer:
The height of the apple from the ground can be calculated using the formula for gravitational potential energy. Given the apple's mass and its potential energy, we find that the apple is approximately 5000 meters from the ground.
Explanation:
The gravitational potential energy of an object can be calculated using the formula PE = mgh, where m is the mass of the object, g is the acceleration due to gravity (9.8 m/s² on Earth), and h is the height of the object from the ground. In this case, the apple's gravitational potential energy is given as 175J, its mass is 0.36g (or 0.00036 kg when converted.)
To find the apple's height from the ground, you need to rearrange the formula to solve for h: h = PE / (m * g). Substituting the given values in the formula, h = 175 J / (0.00036 kg * 9.8 m/s²), you get approximately h = 5000 meters.
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Answers
Answer:
0.0238 centimetre
Explanation:
multiply the length value by 100
Answers
Answer:
0.276
Explanation: Here we have to consider the kinetic friction force acting on the body. If it is going at a constant speed according to newton's 1 st law. There was'not net force induced at the system. There for kinetic friction foce must be equal to the 50N .
But here we have been asked to get cofficient of static friction . There for you have to get static friction force. It should be 65N.
Mass of the object is 24. Then the reaction between surface and the object would be 24*9.8 = 235.2 N
There for using this,
Static friction force = Cofficient of static friction * Reaction
Cofficient of static friction = 65/235.2
= 0.276
Answer:
Explanation:
It is given that,
Mass of the crate, m = 24 kg
Force acting on the crate when it is at rest,
When the crate is in motion, force acting on the crate,
To find,
The coefficient of static friction between crate and floor
Solution,
When the crate is at rest, the force acting on the crate is given by :
When the crate is in motion, the force acting on the crate is given by :
Hence, this is the required solution.
Answers
B. the wavelength
C. the center point
D. the trough point
Answers
Answer:
Option (D)
Explanation:
The transverse wave travels in the form of crests and troughs.
The highest point on the wave is called crest.
The lowest point on the wave is called trough.
The part of the wave that best describes lowest point of a wave is the trough (option D)
How do i determine the correct answer to the question?
To know the correct answer to the question, we shall define each option. This is shown below:
Crest of a wave is simply defined as the highest point or peak of a wave. It is the point on the wave propagation where the displacement is at its highest positive value.
Wavelength of a wave is the distance between two successive crest or trough of a wave propagation.
Center point of a wave is simply refer to the rest or equilibrium point of the wave
Trough of a wave is simply the defined as the lowest point of the wave, where the displacement of the wave is maximum in negative values.
With the above information in mind, we can conclude that the correct answer to the question is trough point (option D)
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