Air is kept at a pressure of 275 kPa absolute and a temperature of 34 degrees C in a 656 liter container. What is the mass density of air in kg/m3

Q: A stone is dropped from the top of a tall building. After 13 s of free fall, what is the…

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Q: As part of an advertising sign on the top of a tall build- ing, a 2-m-diameter sphere called a…

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Q: The brakes are applied to a moving van, causing it to uniformly slow down. While slowing, it moves a…

A: Given value--- While slowing, it moves a distance of 40.0 m in 7.30 s to a final velocity of 1.75…

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Q: The two vectors á and b in the figure have equal magnitudes of 13.7 m and the angles are 0₁ = 27°…

A: Given:-  Two vector a→ and b→ is 13.7 m  The angle θ1= 27° and θ2=102° Find:-  The x component of…

Q: An ore sample weighs 16.5 N in air. When the sample is suspended by a light cord and totally…

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Q: The figure below shows four particles, each with a positive charge, at the corners of a square. The…

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Q: How much work is done (by a battery, generator, or some other source of potential difference) in…

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Q: ) What temperature is required for a black body spectrum to peak in the X-ray band? (Assume that E =…

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Q: The 137-lb force P is applied to the 240-lb crate, which is stationary before the force is applied.…

A: Given, 137-lb force P is applied to the 240-lb crate. μs = 0.51 and μk = 0.39 Static friction = μsN…

Q: (b) Under what circumstances is proj, b = projьa? 49. Find the work done by a force F = 8i - 6j +9k…

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Q: At the instant shown in (Figure 1), the car at A is traveling at 10 m/s around the curve while…

A: According to the given data vA=10m/s in the direction of 45 deg clockwise with +x-axis vB=25.5m/s…

Q: Question 1 The figure below shows two lines of charge in cross-section coming out of the page. Each…

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Q: Find the spring constant of the spring On the car. has button. car compressed а a or displacement…

A: Mass of the car, m=0.5073 kg The uncompressed position of the spring, xi=0.085 m The compressed…

Q: 1. (a) What is the capacitance of a parallel plate capacitor with metal plates, each of area 1 m²,…

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Q: A tennis ball of mass 57 g travels with velocity m/s toward a wall. After bouncing off the wall,…

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Q: 2. The color code on a resistor in a circuit indicates a value of R = 156,0000 a. Express in Powers…

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Q: what is the velocity of an artificial satellite orbiting the earth in a circular orbit at the height…

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Q: A negative charge -Q and a positive charge +2Q are placed along the x-axis at x = 0.0 m and x = 1.0…

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Q: 1. Draw on wave rays for the incident and reflected waves and show the normal. 2. Draw on at least 3…

A: As per guidelines only 3 subparts are solved here. Incident waves are waves falling on reflected…

Q: In the diagram below, each division on the horizontal axis is 0.20 m while each division on the…

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Q: A small object with a charge of q = 15.0 μC travels from the origin to the point (x, y) = (20.0 cm,…

A: Given data: The charge is q=15×10-6 C The position in vector form is d→=0.2i+0.5j m The unifor…

Q: The potential in a region between x = 0 and x = 6.00 m is V = a + bx, where a = 19.0 V and b = -5.90…

A: Given ,  Expression for the potential is   V=a+bx Where, a=19V              b=-5.90V/m (a) #…

Q: A net force of 5.34 N acting for 4.23 seconds on a mass initially at rest causes it to travel 4.75 m…

A: Given,  Net force = 5.34 N Distance travelled = 4.75 m Time = 4.23 sec We need to calculate,  Mass…

Q: Use the graph to answer the question. Speed (km/h) 100 20 Motion of a Car N 10 30 50 70 90 Time…

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Q: Purpose: To practice expressing significant figures. 0.524 15.08 1444 0.0254 83,909 5280 0.060…

A: (A)=3 significant figures  (B)=4 significant figures  (C)=4 significant figures  (D)=3 significant…

Q: The Sun radiates like a perfect black body with an emissivity of exactly 1. (a) Calculate the…

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Q: A system consists of a 1.4 kg block of copper at 20°C and 1.5 kg block of copper at 250 °C. The two…

A: Mass, m1 = 1.4 kg Mass, m2 = 1.5 kg Temperature, T1 = 20°C = 20 + 273 = 293 K Temperature, T2 =…

Q: Two particles having charges of 0.550 nCnC and 13.8 nCnC are separated by a distance of 1.30 mm.…

A: Part-(a): Electric field is a vector field which can be defined as the electric force exerted per…

Q: If C = 4 m at 43°, and D = 14 m at 141°, what is the direction of the sum of these two vectors (in…

A: To find the direction of the sum of two vectors C and D, we need to calculate their components in…

Q: A 70 kg snowboarder starts from rest in the position shown. His velocity along the circular track…

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Q: In (Figure 1), E₂ = 2.0 V. Figure R₁ = 205 &=6V R₂ = 1Ω E₂ R₂ = 40 1 of 1 ▼ Part A Find the current…

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Q: above you should notice that for the same amount of heat added, the temperature difference is…

A: A system's temperature is a reflection of how quickly its molecules are moving. Oil molecules adhere…

Q: 7. An electric motor with an efficiency of 80% has a power output of 4.00 horsepower. The power…

A: Given, Output power = 4 horsepower. Efficiency = 80% Motor runs for = 3 hour Charges = $0.15 per kWH…

Q: What is the magnitude What is the magnitude of C = A + B, in meters? of D = 2A - B, in meters?

A: The vectors A→=2.8i^+-3.6j^+-2.6k^ m, B→=2.1i^+-7.4j^+2.8k^ m Vector C→=A→+B→…

Q: Two resistances, R₁ and R₂, are connected in series across a 12-V battery. The current increases by…

A: Given value--- V = 12 V. when R2 remove.  then current increase by 0.29 A. when R1 remove.  then…

Q: 2. A box with a weight of 1260 N was dragged across the horizontal floor by a man by pulling a rope…

A: The weight of the box, W=1260 N The applied force, F=485 N The angle of the applied force with the…

Q: A +3 mC charge sits at the origin/at point (0,0). A +9 mC charge is directly 7 m to the left of the…

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Q: electric fan goes from rest to 1900 rpm in 4.3s. Part A What is its angular acceleration?

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Q: Calculate the horizontal force P on the light 12° wedge necessary to initiate movement of the 51-kg…

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Q: Sled and rider with a total mass of 40 kg are perched at the top of a hill as pictured in the…

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Q: If you throw up a ball, after 4 seconds it return back to your hands, what is the height of this…

A: Given Total time taken by the ball to return to the hand is T=2 s Gravitational acceleration is…

Q: Can you explain what Cv and Cp stand for? In addition what happened to the Cp-Cv? Where did gas…

A: Cv represents the specific heat capacity at constant volume. Cp represents the specific heat…

Q: Suppose that again o = = 2 × 10-6 C/m², b = 0.01 m, and c = 0.04 m. Find the magnitude of Ēwasher at…

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Q: Particles 1, 2 and 3 are on the x-axis at x = 0.0 cm, 5.0 cm, and 10.0 cm, respectively. The charges…

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Q: 2. Using Kirchoff's rules, analyze the circuit below. Assume the resistive elements obey Ohm's law.…

A: Given:-   Using Kirchoff’s rules, analyze the circuit below. Assume the resistive elements obey…

Q: 13. (a) Show that i (b) Show that i . j = jk = k i = 0. i=j j = k·k = 1.

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Q: b) A light beam travels at 1.94 x 10 m/s in quartz. The wavelength of the light in quartz is 355 nm.…

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Q: net gravitational force, in unit-vector form,

A: Given: A set of masses as m1=20 kg, m2=10 kg and m3=10 kg Mass m1 is at origin. Position coordinates…

Q: A conducting solid sphere (radius of R= 10.1 cm, charge of q = 9.71-10° C) is shown in the figure.…

A: Given data: Radius of the solid sphere, R=10.1 cm=10.1×10-2 m Charge of the solid sphere,…