An astronaut on the ISS is doing an experiment with two puffy Cheetos inside a carefully sealed container. A charge of 1.2 E−5 C is place on the first Cheeto. The second one, at a distance of 70.0 cm from the first, receives a charge of 2.5 E−6 C. What is the force acting on the first Cheeto if k = 8

Q: 3. An infinite charged line carries a uniform charge density λ = 8 μC/m. A charged particle of…

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Q: The half-life of 131I is 8.04 days. (a) Convert the half-life to units of seconds.  s (b) What is…

A: As per guidelines , only 3 subparts are solved here. The half-life of 131I is 8.04 days. (a)  1 days…

Q: order to survey possible landing spots on the moon, the Apollo 10 mission needed to orbit the moon…

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Q: Two disks are rotating about the same axis. Disk A has a moment of inertia of 6.92 kg-m² and an…

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Q: Which one produces the greater change in kinetic energy (assume that all of the work goes into…

A: Given data:  Force and displacement for four different situations  Required: The situation which…

Q: A rock is tossed to the right at 40 degrees above the horizontal (on Earth of course) at 10 m/s.…

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Q: 2. In a gravity escape system (GES), an enclosed lifeboat on a large ship is deployed by letting it…

A: Given data, Height h=2.5 m Mass m=4970 kg

Q: Compute the density for copper at 480C given that its room temperature (20C) density is 8.89g/cm3.…

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Q: Prove that the momentum operator of a free body is conserved or constant

A: The free particle is given by the Hamiltonian H = p2/2m

Q: 1. A student wanted to find the density of an object of unknown composition with a volume of 5.50…

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Q: A 1.00-kg glider attached to a spring with a force constant 25.0 N/m oscillates on a frictionless,…

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Q: A 2.00kg mass is swung on the end of a rope that is 1.20m long at a speed of 3.00m/s. What is the…

A: Givenlength of rope, r=1.20 mmass, m=2 kgspeed , v=3 m/sFormula for centripetal forceF=mv2r

Q: A bicyclist is coasting straight down a hill at a constant speed. The mass of the rider and bicycle…

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Q: A Weston cell is a calibration standard for O Wattmeter O Ammeter O Capacitance meter O Voltmeter

A: Given data:  A weston cell Required: For which device weston cell is used as calibration standard

Q: A 90-kg football player jumps vertically into the air to catch a 0.50-kg football that is thrown…

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Q: Two cars approach an extremely icy four-way perpendicular intersection. Car A travels northward at…

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Q: Consider a large interferometer that uses a lazer with the wavelength of 1,073.27 nm (1073.27 x…

A: Given, Wavelength of lazer (λ)= 1073.27nm  Required :  Speed of light (c)= 3×108m/s   We want to…

Q: wered A man stands on the roof of a 30 m tall building and throws a rock with a velocity of…

A: initial velocity = 25 m/s launch angle = 35 degree horizontal distance = 80 m

Q: An cylindrical opaque drinking glass has a diameter 4 cm and height h, as shown in the figure. An…

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Q: If you put an object in front oa a torch (your phone's torch or any adjustable light source) Can you…

A: Yes I can create a shadow problem. I can fix the light source (torch) at one place lets say on a…

Q: When you find the net force on an object, the units are always which of the following?

A: Required : The units of net force.

Q: Starting from rest, a basketball rolls from the top to the bottom of a hill, reaching a…

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Q: The engine of an automobile has an intake air of 20 degrees celsius and compresses it adiabatically…

A: GivenT1=20∘Clet initial volume be Vfinal volume, V2=0.1Vfor air,γ=1.4we have adiabtic…

Q: Drop a tennis ball onto your partner’s hand from different heights. We are interested in the energy…

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Q: Suppose a lens is placed in a device that determines its power as 2.99 diopters. (a) Find the focal…

A: Given,  Power of lens = 2.99 diopter Patient's near point =? We need to find, (a) Focal length of…

Q: A man on a motorcycle plans to make a jump as shown in the figure. go If he leaves the ramp with a…

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Q: Consider the coordinate system in the diagram bellow; the z axis points out of the page. At the…

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Q: A beam resting on two pivots has a length of L = 6.00 m and mass M = 77.0 kg. The pivot under the…

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Q: An object is placed 18.0 cm in front of a convex mirror having a focal length of 20.0 cm. What is…

A: Given,  u = -18 cm f = 20 cm The mirror formula is 1/v + 1/u = 1/f 1/20 = 1/v + 1/(-18) 1/v = 1/100…

Q: The CN Tower, located in Toronto, Ontario, has a recorded height of 0.553 km. Refer to the…

A: Given data: Height of tower (h) = 0.553 km Initial velocity (u) = 0 m/s Time (t) = 3.00 s Required:…

Q: Consider the vectors A = -21 + 51 - 4k and B = 51 - 7₁ + 6k. Calculate the following quantities.…

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Q: 1.The collision between a hammer and a nail can be considered to be approximately elastic. Calculate…

A: Quantities with subscript 1 are for nail  Quantities with subscript 2 are for hammer

Q: a spinning disk has an initial angular velocity of 12 rad/s and rotares through an angle of 80 rad…

A: Givenω0=12 rad/sωf=0θ=80 rad

Q: Brandon is on one side of a river that is 60 m60 m wide and wants to reach a point 300 m300 m…

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Q: 11. A block of mass mi 2.40 kg is connected to a second block of mass m2 = 1.80 kg, as shown in the…

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Q: A plane electromagnetic sinusoidal wave of frequency 26.4 MHz travels in free space. The speed of…

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Q: Hello. These answers were incorrect.

A: Concept  According to Lenz's law, the direction of the induced current is such that it opposes the…

Q: The figure shows a spacetime diagram for two people moving with respect to each other and five…

A: Given that Horizontal scale is x-axis and vertical scale is t -scale And the tilted axis are x' and…

Q: A car is travelling in a direction given as [35°N of W]. North is at the top of the page.  The…

A: When mentioned as travelling north of west, the angle of 35o is measured with the west direction as…

Q: One end of a meter stick is pinned to a table, so the stick can rotate freely in a plane parallel to…

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Q: An inductor and a resistor are connected in parallel to an AC source. If the current through the…

A: Givencurrent through resistor, IR=IRocos(ωt)and inductor and resistor are in parallel to each other

Q: The near point of a farsighted person is 100 cm. She places reading glasses very close to her eyes…

A: Given,  p = 25 cm q = -100 cm

Q: 6. The reading on the vernier caliber is: a. 1.05 cm b. 4.46 cm c. 1.06 cm d. 4.48 cm For the 1 0…

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Q: Which conservation law is violated in the strong nuclear reaction p+n→p+p+n+ π* ? Baryon number…

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Q: The work required to deflect a typical AFM cantilever by 0.10 nm is 1.2 * 10-20 J. (a) What is the…

A: Given data:  Comparison in spring (x) = 0.10 nm = 0.10×10-9 m Work done (W) = 1.2×10-20 J Required:…

Q: All points on the perpendicular (AB) bisector of the line joining two equal but opposite charges…

A: We know voltage is given by , kQ/r All the points on perpendicular bisectore are at equidistant from…

Q: 1. A particle with mass 4 kg moves in a circle of radius 4 m. The angular momentum of the particle…

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Q: Which of the following statements are correct? (There could be more than one correct choice.)…

A: Explanation-               Chromatic aberration is produced when light passes through a material, as…

Q: Tritium, or 3H, has a half-life of 12.32 years. Imagine a sample of tritium is prepared. (a) What…

A: half life = 12.32 years Original number of nuclei = No

Q: Q3. A 200 kg cannon rests on a smooth surface. It fires a 10 kg cannonball in horizontal direction.…

A: Given data:  Mass of cannon (m1) = 200 kg Mass of cannonball (m2) = 10 m/s Velocity of the…

Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.