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Physics
Physics
College
The x vector component of a displacement vector has a magnitude of 86.2 m and points along the negative x axis. The y vector component has a magnitude of 189 m and points along the negative y axis. Find (a) the magnitude and (b) direction of . Specify the direction as a positive angle with respect to the negative x axis.
Physics
High School
If a force of 10 N stretches a spring 0.5 m, what is the spring constant?
Physics
High School
4.Which wave diffracts the most when encountering an obstacle?O a surface waveO a wave with the longest wavelengthO a longitudinal waveO a wave with the highest amplitude
Physics
College
Which is a disadvantage of stored digital data?A.It is easy to hide information inside other files.B.It's hard to accidentally delete it.C.Hackers might steal it for personal gain.D.It is rarely affected by computer viruses.
Physics
High School
Is the box moving at a constant speed? Explain how you know. What does this tell you about the kinetic energy of the system
Physics
High School
When a scenario has tension force present, does that tension force also count as applied force? (also I assume tension force is "towing force" is that correct?)(asking this again because I was trolled.)
Physics
Middle School
What conditions must change for rain to become snow? ( A simple one sentence answer will do)
Physics
College
a motorcycle travels for 50mph for 5 hours, then for 30mph for another 3 hours in the same direction. what is the average speed the motorcycle traveled?
Physics
High School
What is the resultant velocity for a plane that is flying due east at 33m/s that is also being carried due north at 12m/s by the wind
Physics
College
In which of the following examples does the atmosphere interact with the biosphere *waves crashing along the shores of coastal citieshurricanes making landfall and killing local residentstornadoes sweeping across the land and uprooting homes in an areaglaciers melting causing sea levels to rise
Physics
High School
A spring has a spring constant of 25 N/m. What force is necessary to stretch the spring 0.2 m?
Physics
High School
if john's baseball has a uniform acceleration of 11.18 m/s2 at time T= 3, what should it's acceleration measure at time T= 5?
Physics
High School
Imagine that you are assigned a four- to five-page essay that is due in three weeks. The teacher hands you the following writing prompt to guide your assignment: "Scientists have successfully cloned animals, such as Dolly the sheep. Some people hope that cloning techniques will be used to clone humans someday, while others strongly oppose this use of technology. What is your position on cloning humans? Write a persuasive essay articulating your position on the cloning of humans. Use specific examples and details to support your views." Choose an audience for this research project. Describe the intended audience for this paper. With your topic in mind, determine what they already know and what you will need to cover.
Physics
High School
how much work does gravity do on the mountain climber if they rappel down the mountain
Physics
High School
Correctly identify how many particles are present in the following atom of silver. Protons 60 , 47 , 46Electrons 60 , 47 , 46Neutrons 60 , 47 , 46
Physics
High School
A scientist is planning an experiment that will include the measurement of temperatures. She wishes to avoid using negative values. The expected temperatures will be significantly colder thanthe freezing point of water. Which temperature scale will the scientist most likely use?O A. KelvinOB. CelsiusO C. FahrenheitOD. joule
Physics
High School
I need help with this
Physics
High School
1. If I dig a 6FT hole how deep is that hole?2. If I gave u 10 and I ate 2 how many do u have?3. I speak without a mouth and hear without ears. I have no body, but I come alive with wind. What am I? 4.A woman shoots her husband, then holds him underwater for five minutes. Next, she hangs him. Right after, they enjoy a lovely dinner. Explain. 5. Whats a four-letter word that ends in k and means the same as intercourse?6. I come in a lot of different sizes. Sometimes, I drip a little. If you blow me, it feels really good. What am I?7. You stick your poles inside me. You tie me down to get me up. I get wet before you do. What am I?8.I start with a p and ends with o-r-n, and Im a major player in the film industry. What am I?
Physics
High School
Explain whether a red apple is opaque or transparent and why it appears red.
Physics
High School
What might be done to prevent acid rain damage to objects made from metal and carbonate, such as limestone? Identify a metal object that could be damaged by acid rain. Then, describe what could be done to prevent acid rain damage to it.
Physics
High School
A yo-yo with a mass of 1 kg is being swung around in circles on a 2-meter long string at a constant speed of 4 m/s. What is the centripetal acceleration of the yo-yo?
Physics
College
A car is traveling at 40 m/s. The brakes are applied an after 3 seconds the car is traveling 13 m/s. What is the acceleration of the car?
Physics
High School
An inclined plane is 30 meters long and 2 meters high. What is the mechanical advantage of the inclined plane? MA =
Physics
College
Current Attempt in Progress The atomic radii of a divalent cation and a monovalent anion are 0.52 nm and 0.125 nm, respectively. (a) Calculate the force of attraction between these two ions at their equilibrium interionic separation (i.e., when the ions just touch one another). Enter your answer for part (a) in accordance to the question statement N (b) What is the force of repulsion at this same separation distance
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