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Physics
High School
What are five differences between drama and prose
Physics
Middle School
Momentum is a vector quantity because it includes velocity, which is also avector quantity.A. TrueB. Falseplease:(
Physics
Middle School
Mechanical energy is the_______of kinetic energy and potential energy.HELP ME!!!!
Physics
College
Help me out on this? Grades due in a couple days and I need to get everything done on time-
Physics
Middle School
a. Write 2-3 sentences describing what happens to a uranium nucleus during nuclearfission. (2 points)b. Write 2-3 sentences explaining why nuclear fusion cannot be used in power plants, yetcan still be the original source of the electric energy used in homes. (4 points)c. Write 3 - 4 sentences evaluating the use of nuclear fission to generate electric energy. Provide at least one point in favor of and two points against using fission. (3 points)
Physics
Middle School
Tigers and goldfish are not related
Physics
High School
Why is acceleration due to gravity low in the space?
Physics
Middle School
As an ice cube melts, its moleculesA. absorb heat energy and move farther apartB. absorb heat energy and move closer togetherC. release heat energy and move farther apartD. release heat energy and move closer together
Physics
High School
A hollow cylindrical (inner radius = 1.0 mm, outer radius = 3.0 mm) conductor carries a current of 80 A parallel to its axis. This current is uniformly distributed over a cross section of the conductor. Determine the magnitude of the magnetic field at a point that is 2.0 mm from the axis of the conductor.
Physics
High School
A wave that can travel with or without a medium is called a(n)A.surface waveB.mechanical waveC.electromagneticwaveD.all waves can travelin any way
Physics
High School
En una barra de 6m que se utiliza como palanca se coloca el fulcro a 2 m de distancia del extremo derecho, como se muestra en la figura. En ese mismo extremo se requiere soportar una carga de 90N. Despreciando el peso de la palanca, determinada Fp, VMI, VMR y la eficiencia del sistema.
Physics
Middle School
What is the difference between a mixture and a pure substance? Give an example of each.
Physics
High School
An iron nail does not pick up paper clips as a magnet would.
Physics
Middle School
What is a cation? Please help me answer this question
Physics
College
A car is travelling at 16.7m/s. If the car can slow at a rate of 21.5m/s^2, how much time does the driver need in order to stop the red light?
Physics
High School
Describe how energy from the sun interact with substances
Physics
High School
How does friction affect velocity
Physics
High School
De acordo com a sequncia de substncias listada na tabela ao lado, se atritarmos vidro com l, o vidro ficar carregado positivamente. Qual ser a carga da madeira quando atritada com: a) l b) seda c) marfim
Physics
Middle School
Adding a best-fit line to the scatter plot shown below would be an example of _____.A.making an inferenceB.drawing a conclusionC.checking a predictionD.correcting a hypothesis
Physics
College
Which best describes the direction of heat?
Physics
High School
Please do these please do all of them and no fake stuff
Physics
High School
as a car drives past a person standing on a sidewalk, the driver keeps a hand on the horn. how does the pitch of the horn differ for the driver and the person standing on the sidewalk?
Physics
Middle School
3. If substance A has half the index of refraction of substance B, which is (most likely) more dense
Physics
High School
how is a runoff created
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