An airplane passenger has a volume V1 of air in his stomach just before the plane takes off from a sea-level airport.

Q: Determine the image distance and image height for a 4.8-cm tall object placed 26.0 cm from a…

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Q: Calculate the drift velocity (in ×10-6 m/s) of electrons in a silver cylindrical conductor with a…

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Q: Find the momentum A car that has a mass of 1220 kg and a velocity of 8 m/s ?

A: Given, mass of the car, m = 1220 kg velocity of the car, v = 8 m/s

Q: Frent Attempt in Progress - L- L2 1 2 The figure above shows particles 1 and 2, each of mass m,…

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Q: Potential difference between two points of a wire carrying 20 amperes Current is 1.•9 volt .…

A: Given data :   Potential difference   =  V    Current   =  i        To find :          Resistance

Q: A racing van has a uniform acceleration of 15 m/s2. What distance will it cover in 10 seconds after…

A: Given data :   Acceleration   =   a   Initial velocity   =   u     Time   =   t      To find :…

Q: 1. As shown in the figure, a large open tank contains a layer of oil (density 450 kg/m³) floating on…

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Q: Internal energy of an ideal gas depends on: i. the volume of the ideal gas ii. the pressure of the…

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Q: A disc rotates on itself with an initial angular velocity of 20 rad/s. Due to friction, its rotation…

A: Given data:: Initial angular velocity (ωi) = 20 rad/s Final angular velocity (ωf) = 0 rad/s Angular…

Q: Advertisements of a new car from Honda claim that it floats in water. If the car’s mass is 950kg…

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Q: An airplane flies with a displacement vector R. If the x-component of the plane is 152 km west and…

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Q: A 6-g sample of sugar is burned in a calorimeter. The temperature of 1 kg of water in the…

A: Let E J/gm be the energy value per gm of sugar. Then heat released on burning in calorimeter = heat…

Q: If the air temperature is the same as the temperature of your skin (about 30° C), your body cannot…

A: Solution:- Energy Q= 505 W= 505 joule/sec =1818000 joule/hr Q'=76% of Q= 1818000×0.76=1381680 J/hr…

Q: At a distance r from a point charge the Mogwitude of its electric field and potuti af are E cud y…

A: Answer:- (D) E2 = 4 E1     and V2 = 2V1 Electric field (E1) = (KQ)/r12  And  Electric potential (V1…

Q: . Calculate the temperature of a wire if its resistance is increase to 200 ohm from 150 ohm at 25…

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Q: A fan is rotating with an angular velocity of +20 rad/s. You turn off the power and it slows to a…

A: Given  Angular velocity of fan  wo = 20 rad/s Angle rotated before coming to stop  @ = 5.0 rad a) To…

Q: Part A The density of water at 4 °C is 1.00 ×10³kg/m³. What is water's density at 81 °C?

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Q: 30. Base your answer to the following question on the diagram below which represents an electric…

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Q: 4) One way to increase the lift force acting on a plane is to O make your wings smaller. O use the…

A: The lift force is directly proportional to the velocity as well as the angle of attack. So, to…

Q: Q4) Find the capacitance för aportión ôf čoaxiál cáble with Its 0<0<90° ,length of 1m, a-1mm, b-3mm,…

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Q: 1. A Christmas light hangs on a series of strings as shown in the figure 1. The tension on string a…

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Q: A sophomore with nothing better to do adds heat to 0.480 kg of ice at 0.00° C until it is all…

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Q: Suppose you want to raise the temperature of a mass m of ice from T0 100 °C. In this problem,…

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Q: The voltage in circuit is 28 V and resistance is 7 ohms Find the current ?

A: Dear student According to Ohm's law V = IR Here  V = voltage I = Current R = Resistance

Q: 1. Calculate the equivalent capacitance of the system. Each capacitor in the circuit has a value of…

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Q: A rubber ball is dropped from a height of 10 m and rebounds three-quarters the distance after each…

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Q: Calculate the number of calories given off by 500 g of water cooling from 20 deg. C to 5 deg. C. b)…

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Q: Suppose a man does 34 kJ of work with an efficiency of 5.05 %. How much food energy, in…

A: Write the given values with the suitable variables. W=34 kJη=5.05%=0.0505Here, W is the work done…

Q: A steel cable with cross-sectional area of 3.00cm2 has an elastic limit of  2.40x108 Pa. Find the…

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Q: Given the following combination of resistors below:   If the total resistance of the combination…

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Q: The simple pendulum in a clock is 0.52-m long. What is the period of this clock? [g = 9.80 m/s2]…

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Q: Problem 4: An object is located a distance d, = 5.3 cm in front of a concave mirror with a radius of…

A: Given object distance =5.3cm and radius of curvature =23.5cm We have to find the di formula…

Q: Q5: A mechanic tightens the lugs on a tire by applying a torque of 110 Nm at an angle of 90 degrees…

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Q: 3. The velocity at any time t of a simple harmonic oscillator is given by: v(t)= -5.884sin(26.203t),…

A: Given V(t) = - 5.884sin(26.203t) And time t=185.229seconds

Q: An insulated box containing a monoatomic gas of molar mass M moving with a speed v0 is suddenly…

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Q: The vertical distance between eye level and the ground for a certain swimmer, who is standing…

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Q: 2) Wavelength light 470 m passes through a double slot. The figure Interference is observed on a…

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Q: Is it feasible to maintain a constant speed while accelerating? What is this sort of motion called?

A: Yes, it is possible for an object to maintain a constant speed while accelerating.

Q: Calculate the equivalent resistance across a and b and the current and voltage across the 92…

A: 9Ω (branch df) and 6Ω (branch de) are in parallel, give rise to 9×69+6=3.6Ω. This combination is in…

Q: At an Antarctic research station, 100 kg of ice at -20 deg C is fed into the heating system in order…

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Q: What is the amount of heat entering your skin when it receives the heat released by 23.0 g of steam…

A: A) Determine the amount of heat entering your skin.

Q: The heat of vaporization of ethyl alcohol is 8.5 x 10^5 J/kg. If 2 kg of it were allowed to vaporize…

A: Heat of vaporization of ethyl alcohol (L) = 8.5 x 105 J/kg mass (m) = 2 kg

Q: Problem 7: Consider a makeup mirror that produces a magnification of 1.7 when a person's face is…

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Q: An object is movine from 13m/s to 20km/h, and it takes that object 3 minutes, what is the objects…

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Q: In Rutherford’s original experiment, alpha particles (α) were shot toward a gold foil. Gold has an…

A: At closest approach ,kinetic energy is equal to potential energy of the two nucleolus system.

Q: Which benefit is the smallest?

A: Under the accompanying conditions, robotized sorting room techniques give the most advantage  It is…

Q: 2. Two masses are attached to a uniform meter stick as shown in the figure 2. The masses of m1 and…

A: Solution:-

Q: If the Sun suddenly turned off, we would not know it until its light stopped coming. How long would…

A: Distance (d) = 1.50 x 1011 m we know that speed of light is 3 x 108 m/s

Q: 60. V 29. Base your answer to the following question on the diagram below which represents two…

A: Given :- voltage V = 30 volt        Total  Resistance R = 6 ohm

Q: The figure below shows a section of an overhead power line that is 61.5 m long and carries a current…

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Human Metabolism

Being described as the most complicated machine ever encountered by humans, the human body and the cell metabolism is nothing less than a wonder. Metabolism is the set of life-sustaining chemical reactions within organisms.