Physics

[04.05] An atom has an atomic number of 12 and a mass number of 25. How many neutrons does the atom have?
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A person who has the condition CIPA is unable to feel pain or temperature. Which sensory receptors are affected by this condition? (1 point)A.) Chemoreceptors and photoreceptorsB.) Thermoreceptors and mechanoreceptorsC.) Mechanoreceptors and chemoreceptorsD.) Photoreceptors and thermoreceptorsPlease help 15 Points
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A ninja applies a force of 1250-N to a piece of 4-inch solid oak with his fist. What is the size ofthe force applied to the fist by the piece of oak?
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I need help because I dont understand that question
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In the periodic table, the number of valence electrons in each element decreases from left to right across each period.Select one:O TrueO False
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As part of their research on cell reproduction, Ms. Kelly's biology class designed various experiments to determine the best conditions for budding, or asexual reproduction, in common yeast cells. The students added sucrose as a source of food for the yeast and each group added water of a different temperature to the yeast-sugar mix. They used a light microscope to observe and count the yeast cells.Based on the recorded data, what observation did the students make regarding the growth of yeast cells?A) Once the temperature reached 50oC, the yeast died. B) The size of individual yeast cells increased with an increase in temperature. C) Increased temperature played no role in increasing the number of yeast cells. D) The number of yeast cells increased as the temperature of the water increased.
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What's the time it takes a car to attain the speed of 30 m/s when accelerating from rest at 2 m/s (squared)A- 15 sB- 2 sC- 60 sD- 30 sE- none
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PLEASE PLEASE HELP PICTURE INCLUDED
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Which of the following is an example of a properly written testable hypothesis? * A people should taste this new health food and see whether it makes them stronger B When dog owners don't feed their puppies Brand A food, the puppies do not grow properly C If Frederico had added the leaves to the compost pile last year, he wouldn't have to organic fertilizer D if it is dark, then an owl will find a mouse by the sound the mouse makes
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A 8 g of iron shot is added to a graduated cylinder containing 46 mL of water. The water level rises to the 49 mL mark, from this information, calculate the density of iron
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A rubber cord catapult has cross-sectional area25mmand initial length of rubber cord is 10c.Its is stretched to 5cm and then released toproject a missile of mass 5gm. TakingYubber = 5x108N/m velocity of projectedmissile is :(1) 20ms -(2) 100ms(3) 250ms(4) 200ms)
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A force of 6.0 N is applied horizontally to a 3.0 kg crate initially at rest on a horizontal frictionless surface. After the crate is pushed for 1.5 seconds, it has a gelocity of 3.0 m/s. Does this support Newtons second law of motion, that force equals mass times acceleration?
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How does changing the force affect the sound?
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The anther and filament are parts of a flower's:stamenpetalpistilstigma
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An underwater sound source emits waves of frequency 30 kHz in all directions. How does the intensity of the waves (in Watts/m2) vary with distance r from the source?a) 1/r^3b) 1/r^2c) 1/rd) None of above
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water vapor is what kind of gas?
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non examples of kinetic energy
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A car start from rest accelerate uniformly at rate of 2 m/sec2. Its velocity after 5 seconds will be:
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who has a iphone (age range 15-19 )
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Jack took up the job of a front desk staff at a reputed hotel. He will be interacting with various customers and employees from different parts of the world. What should his manager do to help Jack adapt to a diverse workplace? The manager is quite impressed with Jack. He wants to encourage Jack to actively listen and explore all solutions. He also wants to train Jack to avoid using I-statements and encourage him to participate in programs that teach him more about his own ethnic group. In addition, the manager wants to help Jack to understand the customs of other cultures.
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a spring balance used to weigh candy is built with a spring the spring stretches 3.00 cm when a 15 n weight is placed in the pan. when the weight is replaced with 3 kg of candy, what distance will the spring stretch?a.7.0 b.4.5 c.3.8 d.5.9
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What is the weight of a 328N emperor penguin?
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What happens to particle spacing when temperature increase, What we call this process?
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A box is pushed using 500 joules of energy. The amount of energy produced is50 J. Calculate the efficiency.
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