10. A car travels 250 km in 5 hours. Find its average speed? *

Q: what are the kinematic equations and what are they used for?

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A: Given data:  A feather and a bowling ball are falling freely in vacuum at surface of the earth…

Q: An infinitely long, solid insulating cylinder with radius Ra is placed concentric within a…

A: Here, the system consists of an infinitely long cylinder of radius Ra, within a cylinder with an…

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Q: Find Electric Flux Magnitude. charge q is placed at one of the corners of a cube of side a, as shown…

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Q: A locomotive pulls 10 identical freight cars of mass m = 1.0 x 105 kg with an acceleration of a =…

A: Given value--- m = 1 × 105 kg. acceleration = 4 m/s2.  We have to find--- F2,3 ? F8,9 ?

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Q: A runner maintains constant acceleration from rest, reaching 8.4 m/s after running 54 m. How much…

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Q: How does the intensity of radiation emitted from a star vary with distance from the star? Explain.

A: The brightness of the star decreases as the distance from it increases. The apparent brightness of a…

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Q: A ball is thrown vertically upward, which is the positive direction. A little later it returns to…

A: Given data:  A ball is thrown vertically upward After some time it returns to the point of release…

Q: Question II One afternoon, a couple walks three-fourths of the way around a circular lake, the…

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Q: A cannonball is fired at v0 = 100 m/s from a barrel tilted upward at θ0 = 28 ∘.Find an expression…

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Q: Pool players often pride themselves on their ability to impart a large speed to a pool hall. In the…

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Q: A car starts from rest and reaches a velocity of 40 ft/s in 10 seconds.  a.) What is its…

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Q: find the frequency equations for small oscillations of the systems shown. - Y B 3 (9) Im Fmim L 7=89…

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Q: For a single, isolated point charge carrying a charge of q= 57.7 pC, one equipotential surface…

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Q: Explain the energy level splitting of the Zeeman effect.

A: The Zeeman effect is defined as the splitting of a spectral line into numerous components in the…

Q: 2. An object traveling along the x-axis starts with an initial velocity of +5.0 m/s has a consta…

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Q: Question 10 of 20 Three objects are fired into the air; and the drawing shows the trajectories of…

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Q: An uncharged capacitor with C = 88 μF and a resistor with R = 89 Ω are connected in series with a…

A: Given data:  A unchanged capacitor and a resistor are connected in series C = 88 μF, R = 89 Ω…

Q: A Water Balloon Battle. You are launching water balloons at a rival team using a large slingshot.…

A: Given, The height of the flat topped building = 30 ft = 30×0.305= 9.15 m The width of the flat…

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A: Mass they formed with

Q: What is the change in length of the three springs? Acceleration due to gravity is g = 10 m.s-2.

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Q: Carl Lewis set a world record for the 100.0-m run with a time of 9.86 s. If, after reaching the…

A: time taken to complete the 100 m race = 9.86 seconds time taken to reach back to the starting line =…

Q: An electric field of magnitude 5.25 x 105 N/C points due north at a certain location. Find the…

A: Electric force is define as F = QE Here F is electric force Q is charge E is electric field. Here…

Q: A runner maintains constant acceleration from rest, reaching 8.1 m/s after running 99 m. How much…

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Q: Label each vector with the correct description. You are currently in a labeling module. Turn off…

A: The following are the matching directions :   1) 25 km, 30° west of south ----->(e) 2) 30 km,…

Q: A cannonball is launched horizontally off a 55 m high castle wall with a speed of 55 m/s. How long…

A: Given data:  A cannonball is launched horizontally  Height (h) = 55 m Initial velocity (v0x) = 55…

Q: As seen in the image provided, a double-star system with stars of equal mass rotate in circular…

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Q: Multiple choice A ball is thrown directly upward and experiences no air resistance. Which one of the…

A: When a ball is thrown directly upward and experiences no air resistance then this motion is kind of…

Q: 1) A hiker travels 2 km due east of his starting point. Then he travels 1 km northwest. Finally, he…

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Q: If 1 kg of mass that is -40cm away from the fulcrum and 4 kg of mass that is -10 cm away from the…

A: Given,

Q: questions. How long did the ball remain in the air? What was the ball's speed just before striking…

A: Height = h = 75 m Acceleration = a = 10 m/s2

Q: The temperature at a point 50 km north of a station is 3°C cooler than at the station. If the wind…

A: we know that  dFdt=QQ=10Ch-1 now, total derivative of the above will give ∂T∂t= dTdt-V*∇T

Q: Solve for v given: 2as = v²-v² a = 8.41 m/s² s=4.81m v₁ = 1.24 m/s

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Q: If you plotted x vs. t2, for an object falling from rest (assuming down to be positive), what should…

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Q: the viscosity of honey is about 1 Pa-s. the viscosity of water at 20C is about 1 cp. how many times…

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Q: 199.7mg what is the density of the steel in glems (uof sphere=93 A steel ball-bearing with arcum…

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Q: The human heart pumps blood into the aorta, accelerating it during systole from rest in the left…

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Q: An astronaut on a distant planet wants to determine its acceleration due to gravity. The astronaut…

A: Given data:  Astronaut throws a rock straight up Initial velocity (u) = +23.3 m/s Time (t) =24.4 s…

Q: Some cats can be trained to jump from one location to another and perform other tricks. Kit the cat…

A: initial height from where the cat jumps (h) = 1.722 m maximum height (h') = 3.130 m horizontal…

Q: A dielectric material with μ = μo, ε = 9εo σ = 4 S/m is placed between the plates of a…

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Q: (a) One assumption of the Ideal Gas Law is that the actual volume occupied by the molecules…

A: We need to answer the following questions w.r.t 1 mole of He gas

Q: To create artificial gravity, the space station shown in the drawing is rotating at a rate of 2.20…

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Q: Consider the position vector a shown in the diagram below. a makes an angle with the positive x…

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Q: DCM¹ Consider a DCM from ê to ê' that equals to the following: 0.6124 -0.2803 0.7392 0.7071 0.6124…

A: we can solve this by matrix equation. put zero is equal to this matrix.

Q: A spacecraft is on a journey to the moon. At what point, as measured from the center of the earth,…

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