A cross-country skier moves from location A to location B to location C to location D. Each leg of the back and forth motion takes 1 minute to complete; the total time

Q: 3a) A set of keys is dropped from a third story window that is 35.0 meters off the ground. How much…

A: Given data:  Initial velocity (v0) = 0 m/s, dropped Height (h) = 35.0 m Air resistance is negligible…

Q: 2. Suppose that particles move only by diffusion. Suppose that a number No of particles are injected…

A: Given Suppose that particles move only by diffusion. Suppose that a number N0 of particles are…

Q: The truss is supported by a pin at A and a roller at B. Determine the support reactions. 40KN – 2 m-…

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Q: If you were to record the spectrum of Saturn as well as the A ring, you would find light from one…

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Q: Nanotechnology, the field of trying to build ultrasmall structures one atom at a time, has…

A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: 27. * A laser beam is reflected by a plane mirror. It is observed that the angle between the…

A:

Q: 1. Two men exert forces F = 400 kips and P = 200 kips on the ropes. Determine the moment of each…

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Q: A rock is suspended by a light string. When the rock is in air, the tension in the string is 59.9 N.…

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Q: given Hc0=Hc0(1- t^2/t0^2) and Cn=rTc. find Cs-Cn/Cs

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Q: anotechnology, the field of trying to build ultrasmall structures one atom at a time, has progressed…

A: Since we answer up to three subparts, we will answer the first three. Please resubmit the question…

Q: An isolated LiCl molecule has its chloride ion (mass = 35 u) at x= 0 pm , and its lithium ion (7 u)…

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Q: How much charge is stored in the 4.0-uF capacitor? 9.0 μF a 12.0 με 4.0 με 2.0 με ІННЕ HE 3.0 μF dr…

A: Capacitors are electrical devices that store energy in the form of electric charges. Separated by a…

Q: 4. Compute the linear attenuation coefficient of iron oxide (Fe304) at 1 MeV. Use the figures…

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Q: What is the relationship between the length of the face diagonal and the radius, r, of the atoms in…

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Q: What is the answer if the values are plugged into this equation? -->  (HPD)(HPM) = (LPD)(LPM)

A: To determine the size of the paramecium when it occupies the full field of view under a compound…

Q: In the 1930s, the biologist Max Kleiber studied animals' metabolic rates. He r1 expressed the ratio…

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Q: How many atoms are in a 1.60 cm x 1.60 cm x 1.60 cm cube of aluminum? Submit ΑΣΦ Request Answer C ?…

A: Side of cube ( s ) = 1.60 cm  Cube is made up of aluminium ( Al )

Q: Problem 6: These drawings illustrate various situations in which a magnetic field is directed out of…

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Q: A = 1.05i + 1j + 1.08k B = 0.98i + -0.81j + -0.92k What is the angle (in degrees) between the bonds…

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Q: 2 (a) How many protons are in 2.00 kg of pure iron? Answer using scientific notation nt)

A: To find the number of protons in a given mass of substance, we first find the number of atoms in the…

Q: The element neptunium has a density of 19.6 g/ml. What is the radius of a sphere of this material if…

A: Given, density of neptunium , ρ = 19.6g/mL =19600 kg/m3 Mass , m = 70 kg We know that , density =…

Q: time (s) What is the total displacement travelled and the average velocity over the ten second…

A: Given data: Position-time graph Required: Total displacement and average velocity over the ten…

Q: The most dangerous particles in polluted air are those with diameters less than 2.5 μm because they…

A: Stoke's velocity is given by:

Q: A spring within a spring launcher is compressed a distance, x, and locked into position by a pin at…

A: Concept:- Conservation of energy.  Energy stored in the spring will be converted into potential…

Q: The cube is shown in the figure with one corner at the origin. Each side of the cube has length 1.00…

A: Given

Q: The most dangerous particles in polluted air are those with diameters less than 2.5 μm because they…

A: The terminal velocity can be calculated using the equation, where  vT is the terminal velocity g is…

Q: Based on the thermodynamic properties provided for water, determine the amount of energy needed for…

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Q: centimeters does this represent? How many square centimeters are there in 1 m-? A: E12. A common…

A: Volume of object = 1.44 m3 Also volume = length × height × width

Q: When we measure the volume of an irregular solid, we are told we need to stir to elimate bubbles.…

A: Density is the measure of mass per unit volume. ρ=mV Presence of air bubble is solid occupies some…

Q: 10 8 7 620 K 550 K L+V 450 K 3. 400 K S+V 300 K 0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 Specific…

A: Given: m=250g, V1=1m3, M=100kg/kmol, T=400K (a) Using ideal gas law :…

Q: A rocket travels at a constant speed of 4000 m/s. How long would it have to travel from the surface…

A: In the given question, the speed of rocket (v) = 4000m/s the final weight of the rocket becomes 80%…

Q: Show that 1kWh = 3.6 million J

A: kWh is the commercial unit of electrical energy. Proof that                      1kWh= 3.6 million J…

Q: The gauge pressure in your car tires is 2.50x10^5 n/m^2 at a temperature of 35.0 C when you drive it…

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Q: d) How would your answer change for parts b and c if the survivors were stuck in a freshwater lake?

A: The only difference that happens in the calculations when the survivors are stuck in a freshwater…

Q: A) What is an equation to equate KE and GPE?  B) A gas is held in a container of 15 m^3 in volume…

A: (A) The equation for the kinetic energy (KE) is KE=12mv2. . . . .  . .(1) Where  m=mass of the…

Q: How many 6.60 × 10−6 m long red blood cells stack up to be the thickness of a single sheet of 1.0 ×…

A: Thickness of 1 Red Blood Cell(RBC) = 6.6 × 10-6 meter. Thickness of paper = 1 × 10-4 meter. Number…

Q: nd the emf induced in the rod as a function of its velocity down the rails. What is the emf when the…

A: Given that Angle of inclination of the ramp, θ=31° Resistance of the Registor ,R =2.5 Ω Mass of the…

Q: 1. The density of a substance can be found by : Density = Mass /(Volume). The density of water is…

A: Given Data :  density of water ,d = 1.0 gram/cm3   volume of cube filled with water , V = 1 m3  To…

Q: In an experiment, a tern (a seabird) was taken from its nest, flown a distance 5050 km away, and…

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Q: 3.0 m 20⁰

A: The mass of the box is m= 50 kg The coefficient of kinetic friction is The vertical height of the…

Q: your team is developing insulation for the interior of a spaceship for a trip to Mars. Should you…

A: your team is developing insulation for the interior of a spaceship for a trip to Mars. Should you…

Q: Two perfectly matched athletes on level ground are pulling opposite ends of a rope in a tug of war.…

A: same athelete pulling rope with same fore.

Q: The density of mercury is 13 600 kg/m3 at 0 oC. What would be its density at 151 oC?

A: Given data: Temperature, T1=0 °C. The density of mercury at temperature T1, ρ1=13600 kg/m3.…

Density of Solids

The density of a substance refers to how much matter is present in a given amount of space. It is expressed as the ratio of the mass of the substance to its volume.