To clean a frictionless surface, a worker drags a vacuum cleaner at a 25° angle to the horizontal with a force F of magnitude 45 N. What is the magnitude of the work done by the weight of the vacuum cleaner as it moves 35.4 m to the right?

Q: The designer of a ski resort wishes to have a portion of a beginner's slope on which the…

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Q: Anice chest at a beach party contains 12 cans of soda at 3.70°C. Each can of soda has a mass of 0.35…

A: GivenMass of each soda can is 0.35 kgSo total mass of 12 can is Ms =12×0.35 = 4.2 kgTemperature of…

Q: A 12.0-g bullet is fired horizontally into a 112-g wooden block that is initially at rest on a…

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Q: A roller coaster cart is starting at rest at a height of 40m.  It goes down the track and around a…

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Q: Q2 Force F is applied for a short time. Find the object's location at t = 30 s. x(0) = 0, x(0) = 1,…

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Q: A guitar string is 90 cm long and has a mass of 34 g The distance from the bridge to the support…

A: Givenlength mass distance from bridge to the support post Tension

Q: 8. Three point-like charges are placed at the corners of an equilateral triangle as shown in the…

A: E due to q1 at r=a/2E due to q3 is at=a/2The negative sign shows the direction of the electric…

Q: A puck of mass m= .095 kg is moving in a circle on a horizontal frictionless surface. It is held in…

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Q: Driving home from school one day, you spot a ball rolling out into the street. You brake for 1.20 s,…

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Q: 1. A closed circuit consists of two semicircles of radii 2R and R that are connected by straight…

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Q: In a gas turbine, the gases flow at a rate of 5 Kg/s. The gases enter the turbine at a pressure of 7…

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Q: Q) A wire 2 m long carries a current of 10 A and makes an angle of 37° with a uniform magnetic field…

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Q: In the figure two large, thin metal plates are parallel and close to each other. On their inner…

A: Magnitude of surface charge density, Known data:Permittivity, To determine: Magnitude of electric…

Q: Right handed coordinate system: In a three dimensional coordinate system we can always choose +x and…

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Q: Explain the method to obtain ro in transistor model.

A: To obtain the output resistance (ro) in a transistor model, we typically consider the common-emitter…

Q: QUESTION 5 Visually, as speed increases, the graph of position vs. time becomes O steeper shallower…

A: As per our policy, we need to answer only the first question. You can post the other questions…

Q: 2. A conical pendulum consists of a 0.50 kg ball attached to a string with a length of 75.0 cm. The…

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Q: 27. How fast should an object be travelling relative to an experimenter in order to have a measured…

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Q: Einstein concluded that gravity is the warping of the geometry of space-time based on the presence…

A: Yes, according to Einstein's theory of general relativity, the gravitational field of massive…

Q: A Jack-in-a-box is a children's toy, where a doll (the "jack"), attached to a compressed spring, is…

A: Spring constant is Extension in spring is Note:Find:Energy stored in spring.

Q: On a flat, frictionless table, two blocks (B1 of mass 2.00 kg and B2 of mass 3.00 kg) are pressed…

A: The mass of the block B1, The mass of block B2, The elastic potential energy of the spring,

Q: What amount of energy is needed for an electron to jump from n = 1 to n = 3? (h = 6.626 x 10-34,1 eV…

A: Here electron to jump from n = 1 to n = 3 h = 6.626 x 10-341eV = 1.6 x 10-19 JWe have to calculate…

Q: If the measured resistance of a diode is high in both directions, the diode is probably shorted…

A: The measured resistance of a diode is high in both directions

Q: A sledge loaded with bricks has a total mass of 18.7 kg and is pulled at constant speed by a rope…

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Q: Explain why soap bubbles has swirls of colors. Why are there different colors?

A: The  light waves reflected from opposite sides of the thin bubble wall interfere with each other as…

Q: diver of mass 72.1 kg stands on one end of a diving board of mass 23.9 kg, as shown in the diagram.…

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Q: A charged particle is held at the center of two concentric conducting spherical shells. Figure (a)…

A: See below

Q: 4. A 490 g dynamics cart is held at rest next to a Hooke's Law spring that is compressed by 44.0 cm.…

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Q: If a body is known to be at the point of impending motion, the friction force, F is: equal to μ₂N.…

A: The given motion is impending motion

Q: Solve Part C Find v, the speed of the sound waves in air. Express your answer in meters per second…

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Q: In the figure, two loudspeakers, separated by a distance of d₁ = 2.74 m, are in phase. Assume the…

A: distance of d1 =2.74 m                  d2 =4.70 maudio range for normal hearing 20 Hz to 20KHz

Q: An electric field given by E-3.0-9.6(y² + 4.3) pierces the Gaussian cube of edge length 0.180 m and…

A: Giventhe length of Gaussian cube is 0.18 m then area of each face is given by the electric field…

Q: A sphere of surface area 1.25 m² and emissivity 1.0 is at a temperature of 100°C. At what rate does…

A: The surface area of the sphere is 1.25 m2.The emissivity is 1.The temperature of the sphere is…

Q: A 5.0-kg bag of potatoes sits on the bottom of a stationary shopping cart. (a) Sketch a free-body…

A: Givenmass of bag having potatoes we have to draw a free body diagram for the bag of potatoes.

Q: Suppose you are in an accelerated elevator. Your weight on earth is 700 N. If the acceleration is…

A: Weight on earth is 700N And acceleration of elevator is same as gravitational acceleration,

Q: A diverging lens and an object are positioned as shown in the figure below. Which of the rays A, B,…

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Q: A firefighting crew uses a water cannon that shoots water at 29.0 m/s at a fixed angle of 47.0°…

A: separate the 29 m/s into horizontal and vertical components.vertical velocity=29 sin 47°=21.209…

Q: Torque: The torque is a vector 1-7X and so has both magnitude and direction. If we let A= expression…

A: The length of the r=0.3 m The magnitude of force, F = 4 NThe objective is to determine the magnitude…

Q: If F1 has a magnitude of 5 N at an angle of 60 degrees. F2 has a magnitude of 12 N at an angle of…

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Q: You are traveling in a convertible with the top down. The car is moving at a constant velocity of…

A: Here The car is moving at a constant velocity =  14.7 m/s due east along flat ground. speed tomato…

Q: Complete the following statement: The absolute temperature of an ideal gas is directly proportional…

A: Given data : Ideal gas To find : Absolute temperature of an ideal gas is directly proportional to…

Q: A ball is dropped from an initial height of 5 metres. As it bounces, it returns to 80% of its…

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Q: calculate the LCL for the two examples below.  Please round to the nearest hundredth.  Please…

A: GivenFor example ASurface Temp = 30°CSurface Dew Point = 20°CFor example BSurface Temp = 30°CSurface…

Q: Applying the reverse breakdown voltage to a diode will cause it to act like a switch usually damage…

A: Applying the reverse breakdown voltage to a diode will usually damage the diode.

Q: Consider a flat steel plate with a hole through its center as shown in the figure. When the…

A: Given data : A flat steel plate with a hole through its center To find : When the temperature of…

Q: The center of mass G of a high jumper follows the trajectory shown. Determine the component vo,…

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Q: What is the principle of conservation of angular momentum in physics, and how does it apply to…

A: Angular momentum, represented typically by the letter L, is a measure of the amount of rotation an…

Q: What is the current in Figure 16-1(b) if the diode is made of silicon and the polarity of the source…

A: A diode allows the current to flow, when it is in forward bias. If it is in reverse bias diode will…

Q: 2. A boy pulls a 26.0-kg box with a 170-N force at 38° above a horizontal surface. If the…

A: Mass, m = 26 kgForce, F = 170 NAngle, θ = 38°Friction coefficient, μ = 0.18 Distance, d = 28 m

Q: Astronauts in space cannot weigh themselves by standing on a bathroom scale. Instead, they determine…

A: Graph of spring length as a function of time.Spring constant is Spring length is Note:Find:(a) Mass…