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. Air molecules stay in the atmosphere without escaping into space. What is the force acting on the molecules of the atmosphere and the Earth?
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How many fully submerged air filled massless balls of radius 0.1 m are necessary to raise a sunken ship of mass 50000000kg? Assume only 10% of 200000m^3 of its volume contributes to its buoyancy.
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How many fully submerged massless air filled balls of radius 0.1m are necessary to raise a sunken ship of mass 50000000kg? Assume that only 10% of 140000 m^3 of the volume of the ship contribute to it
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Hey! so I have this one question I'm stumped with. This is grade 9 physics by the way. I'm making a diagram of a circuit. Here were the instruction I was assigned: You need to design a home that meets
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A non-ideal inductor (i.e., it has its own unknown resistance RL and its own power factor of 0.5) is connected in series with a resistor R1 = 20 Ω and a capacitor with XC = 180 sqrt(3) Ω. The voltage
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PHYSICS LAW OF MOTION A man is pushing a cart weighing 38 kg at a plane surface. Assuming the frictional force of the surface is 48N. What is the coefficient of its static friction at 2 significant
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Help me with my assignment please
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1 You start pushing a 5 kg block from rest on a horizontal surface with a horizontal force of 40 N. If the friction has a friction coefficient of u = 0.2, how much movement energy does the block get w
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A dam is used to block the passage of a river and to generate electricity. Approximately 5.73 ́ 104 kg of water fall each second through a height of 19.6 m. If 85 % of the gravitational potential ene
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In Biomechanical study, researchers often use a force platform to analyze running performance. In the middle of Adam’s stance phase during a running stride, the force exerted by the ground on Adam’s r
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I need help with this worksheet
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rock a gas a mass of 250 grams. it took 6836 j to increase its temperature from 27 degrees C to 37 degrees C . what is the specific heat capacity
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1. A particle with a mass of 3.8 × 10-20 kg is oscillating with simple harmonic motion with a period of 3.1 × 10-5 s and a maximum speed of 2.0 × 103 m/s. Calculate (a) the angular frequency and
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A sound wave has a frequency of 2,500 Hz. Assume the velocity of sound is 331 m/s. Round your answers to have 2 decimal places.
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A gas expands at constant pressure from an original volume of 2.0 L at 22 °C to a volume of 4.0 L. Calculate the new temperature?
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what is the frequency of a wave travelling at 400m/s with a wavelength of 0.003m
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Frequency response and transfer functions
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how to know if the diode has the highest resistance in the forward direction or the reverse.
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Use the momentum equation for photons found in this week's notes, the wavelength you found in #3, and Plank’s constant (6.63E-34) to calculate the momentum of this photon:
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A bike wheel is spinning around it’s central point (axis). Do all the point on the outer edge of the wheel move at the same speed
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Need physics questions answered that require use of LTSpice
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Youngs doubles experiment is performed with white light . We place a yellow filter in front of one of the slits and a red one in front of the other we observe?
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would change your weight but not your mass?
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A pulley system has an efficiency of 87.5%. How much rope must be pulled if a force of 648 N is needed to lift a 105 kg desk 2.46 m?
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Can someone solve these exercises
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Andy has two strong magnetic marbles of equal size. What will happen when he puts the two marbles about 2 centimeters apart?
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One of the moving parts of an engine contains 1.60 kg of aluminum and 0.300 kg of iron. The part can be safely operated at a maximum temperature of 210°C. How much heat is required to raise its temper
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Find the x-component of the following vector: A vector representing 520mi @ 222.2°
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A marble rolls off horizontally from the edge of a tabletop 1.50m above the floor, It strikes the floor 20m from the base of the table. Question : ......1) How long does it take the marble to reach th
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Jenny wanted to make 3 molecules of a substance made with aluminum and oxygen. How many aluminum and oxygen atoms will she need?
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Consider the network of four resistors shown in the diagram, where R1R_1" role="presentation" style="display: inline; font-style: normal; font-weight: normal; line-height: normal; font-size: 13px; tex
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physics conceptual question
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how long must a no.22 gauge aluminum wire be if it has a resistance of 2.5 ohms the diamheter of no.22 wire is 6.44x10
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Calculate the amount of energy required to melt 235 grams of aluminum at its melting temperature of 658 degrees celcius
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When a baseball player catches a baseball, the glove "gives" or moves backward. How does this movement affect the change in momentum of the baseball? The change in momentum increases because the impac
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Angler fish emit light through bioluminescence. An angler fish is swimming in a fish tank that has a film on the inside of the glass. The water in the tank has an index of refraction of 1.10, the film
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A crate of 2 kg is launched with the same initial velocity of 2 m/s up a rough incline of 45° with a kinetic coefficient of friction of 0.2. A debate ensues between three great physicists; Emmy Noet
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Need all parts of these questions answered. If you can answer both of them correct I'll pay you to answer three more questions I need help with. Thank you and let me know if you need help with anythin
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Please answer all parts, thanks
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Tom pulls a muscle. He has to stop working to get an ice pack. Claudia continues to work and soon finishes her pile. Power is the rate of doing work. It’s calculated by dividing work by time (power =
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Projectile Motion - A ball is kicked from ground level at 9 m/s at an angle of 20 degrees and lands 5 meters away. 1. What is the Force on the ball? 2. What is the acceleration of the ball?
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I'm going to ask these questions. They are going to seem a little weird. 1. If god made earth and life then, who made god? 2. Is there an end in the universe? 3. If there is an end in the universe the
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Writing about 3 types of physic: conduction, convection and radiation ( include example for each type) in 1 and half pages. If you use sources from Internet, remember to cite them
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Sarah and her friends the swim team are playing on the high dive. One of Sarah's friends throws her back pack, containing her swim supplies, into the pool from the high dive platform. The back pack we
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Please! read the Copenhagen interpretation between Bohr and Heisenberg. May you do an essay (about 2 to 3 pages) about the following question: "Is their an Uncertainty Principle that applies to the
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home / study / science / advanced physics / advanced physics questions and answers / objects that move in a straight line with a constant speed—not speeding up or slowing down—have ...Your question ha
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PLEASE READ BEFORE REQUESTING BID. BIDS WILL BE RATED AFTER ASSIGNMENT IS COMPLETE. Attached, you will find two copies of the lab assignment, one with complete data and the other without data. The fil
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You are on a planetary colonizing expedition. Your mission objective is to get the water balloon eggs to the surface of the planet without rupturing. However the engineers on Earth had used improper f
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A shopper pushes a 7.5-kg shopping cart up a 13° incline, as shown in FIGURE 5-32. Find the magnitude of the horizontal force, F > , needed to give the cart an acceleration of 1.41 m>s2.
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An object at rest requires a force of 15 newtons to set it into motion. This force is greater than which force? A. tension B. gravity C. friction D. electromagnetic E. strong nuclear force
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