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Two satellites, X and Y, are orbiting Earth. Satellite X is 1.2 × 106 m from Earth, and Satellite Y is 1.9 × 105 m from Earth. Which best compares the satellites? Satellite X has a greater period an
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Electromagnetic force is present when electromagnetic fields - a. become charged as they lose electrons. b. become stable as they come in contact with other forces. c. interact with charged particl
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a) If we were to breake an octave into a number of half-steps, which of the following numbers would produce an interval whose frequency ratio is closest to 3/2 when Equal Temperament Tuning is used?b)
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Divide the fundamental Frequency of F#5 by the frequency of A4 in the following tuning systems. Round your answers (if necessary) to the nearest 0.000001: a) Equal Temperament Tuning b) Just Intonat
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On a piece of graph paper, create an amplitude vs. time graph of a sine wave with an amplitude of 5 Pa and a period T = .03 sec.What is the frequency of this wave?Now plot the same wave on a pressure
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Hey guys, I need some help with this discussion:1. Find the wavelength and period of the tuning note A440.2. Find the wavelength and period of a kick drum fundamental of 50 Hz.3. Find the
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In two or more complete sentences, explain how you can prove that the number of degrees that the Moon rotates around the Earth every five days is approximately 61⁰. Please help I'm literally stuck o
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John goes for a run. From his house, he jogs north for exactly 5.0 min at an average speed of 8.0 km/h. He continues north at a speed of 12.0 km/h for the next 30.0 min. He then turns around and jogs
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lab reportI attached files so please check that.
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In three to five complete sentences, describe ways lasers are used to help mankind. Remember to use proper grammar and mechanics when writing your sente
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Um veículo percorre 120 km com velocidade escalar média de 60 km/h. A seguir ele percorre mais 150 km, com velocidade escalar media de 50 km/h. Qual é a velocidade escalar média desse veículo no
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Any two objects of mass are attracted to each other gravitational, if object A has mass of 74kg and object B has a mass of 361,000kg and the centersof their masses are 971m apart from each other, if t
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Identify the parts of the experiment. Johnny wants to know which soil substrate will absorb the most solar radiation. He fills three beakers with 350 ml of soil. One beaker receives sand, one receives
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7. In terms of thermal energy, why does a bottle of soda left in the sun have a higher temperature than one left in an ice chest? 8. Which has more thermal energy, a 5-kg bowling all that has been res
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Which of the following best describes how an electromagnetic wave travels? A. Oscillating magnetic fields are parallel to oscillating electric fields, which are perpendicular to the direction of wave
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The potential difference across a resistor increases by a factor of 2. How does the current change? (Ohm's law: V = IR) A. It decreases by a factor of 2. B. It increases by a factor of 4. C. It increa
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If there is no room for you to enter at the other side of an intersection, you should: A. Enter the intersection and wait behind the line of traffic B. Turn rather than proceed straight ahead C. Wait
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When I current is running through a coil of wire with an iron core what is created around the wire that is carrying the current? A. An electric force B. A magnetic field C. An electric field D. A magn
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Eric is driving at 72km/h on a level highway when a kangaroo jumps out in front of his car. The mass of the car including the driver and passengers is 1500kg. If the coefficient of static friction bet
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How much electrical potential energy is stored in a capacitor that has 8.0 × 10-10 C of charge on each plate and a potential difference across the plates of 20.0 V? A. 1.0 × 10-11 J B. 8.0 × 10-9 J
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If a current of 2 amps is moving through a circuit connected to a 9 V battery, what is the resistance of the circuit? ? 4.5 ohms 18 ohms 0.2 ohms 7 ohms I think that the answer might be D because 9-2
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Which of the following represents the conditions under which nuclear decay would most likely occur? A. Strong nuclear force = electrostatic force B. Strong nuclear force electrostatic force C. Electro
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Under which condition would time periods of daylight and darkness be equal everywhere on Earth all year? A. if Earth revolved around the sun in a more circular orbit B. if Earth rotated on an axis tha
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Aluminum is a highly reactive metal that oxidizes when exposed to air. Which of these would be a good first step in balancing this reaction? Al + O2 → Al2O3 A) Put a coefficient of 3 on Al B) Put a
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A 0.6 kg basketball with a velocity of +6 m/s rolls toward a 0.2 kg ball of clay with a velocity of +1 m/s. If the balls collide and stick together, what is the velocity following the collision? A. +
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A small rubber wheel is Used to drive a large pottery wheel, and they are mounted so that their circular edges touch. The small wheel has a radius of 2.0 cm and accelerate at rate 7.4 red school esqui
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A source of sound waves approaches a stationary observer through a uniform medium. Compared to the frequency and wavelength of the emitted sound, the observer would detect waves with a? A) Higher freq
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Lena would like to be able to know her exact location on a map as she travels across the country. Which technology would best help Lena? CB radio, because it uses HF radio waves. MRI, because it uses
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A motor boat travels east with a velocity of 4 meters/second relative to the water when it encounters a current with a velocity of 7.0 meters/second north relative to the shore. What is the resultant
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Which describes the difference between ionic and covalent bonds? A. An ionic bond forms when molecules of opposite charges are attracted to each other; covalent bonds are formed when nonmetal compoun
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I need a lab report please check the picture that i attached first. Thank you.
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Which of the following is a part of the geocentric model? All objects in the universe are perfect spheres. All objects in the universe move around the sun. All objects in the universe revolve around E
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Density involves the amount of a material in a certain volume. When a material changes phases, it changes in density in a predictable way as the amount of material stays the same but the molecules get
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The image below shows two opposite forces acting on a rope, what can we say is true about the affect of the forces on the rope? A) It cannot be determined without knowing which man is stronger. B) It
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I need a lab report please check the picture that i attached first. Thank you.
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Imagine you are examining a system that involves the development of more fuel efficient school buses. In the Universal Systems Model, the feedback step would include which of the following? a) Compari
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Jennifer regularly instructs her students to avoid believing age-old theories about the differences between men and women. “As it turns out”, she says, “men and women are far more alike than we
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Because parents are concerned that children are learning "wrong" science from TV, you have been asked to be a technical advisor for a science fiction cartoon show on Saturday morning. In the plot, a v
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A miner develops cancer of the esophagus. Ten years before, he had been exposed to radiation when he worked for a year in a mine. He had also smoked cigarettes for a number of years, but had quit five
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PLEASE HELP WILL GIVE BRAINLESS ANSWER Sea ice has decreased to 3.41 million square kilometers, which is about 50 percent smaller than it was in the year 2000. List two animals that will need to adap
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A child Twirls his yo-yo horizontally about his head rather than using it properly. the yo-yo has a mass of .2 kg and is attached to a string .8 m long. if the yo-yo makes a complete Revolution each s
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Determinate the phase difference between tow waves overlaping on an infinitely large screen placed at distance D from two point sources A and B as a function of the coordinate y where the waves overla
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A disc of radius r moving ion perfectly smooth surface at aspeed v collides elastically with an identical stationarydisc.Express the magnitude and direction of the velocity of each ofthe discs after t
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An astronaut in a spacecraft looks out her window and observes a comet travel in the opposite direction at a relative speed of 237 m/s. The velocity of the spacecraft is 114 m/s directly away from the
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Which change will cause the gravitational force between a baseball and a soccer ball to increase ? Check all that apply Moving the balls closer together Moving the balls further apart Wrapping the
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My teacher has asked me to keep an eye on Tiangong-1 because I am the only person in my class that she actually trusts not to prank her. If there is anyone out there that can help me monitor our star
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How boiling point and vapor pressure is related to each other Explain in detailHow boiling point and vapor pressure is related to each other Explain in detailHow boiling point and vapor pressure is re
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What is boiling point expplain clearly
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How boiling point and vapor pressure is related to each other Explain in detail
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A silver cube has sides that measure 2.5 meters. The cube is heated from 15°C to 30°C. What is the change in its volume?
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