a stationary ambulence has its siren on at 675 Hz. What is the observed frequency when a stationary indivisual is standing 25 meters away? Assume the speed of sound to be 343 m/s.

Q: Q (-3.0 m, 0) y A B (0, +4.0 m) Ở (3.0 m, 0) (0.-6.0 m) Each Q shown is 60 μC. What work is required…

A: We have to find work done  i.eW=q∆V

Q: The drawing shows an equilateral triangle, each side of which has a length of 1.52 cm. Point charges…

A: since the net force on  charge is vertically downward, the charges  must be negative and have same…

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Q: Q7). A soft tennis ball is dropped onto a hard floor from a height of 2,85 m and rebounds back to a…

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Q: Problem 9: A very large sheet of very long wires lie parallel to the y-z plane with the current…

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Q: Consider a configuration with four point charges located at the corners of a square (see figure),…

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Q: A pulley and string arrangement is used to connect two objects A and B as shown in the diagram…

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Q: In the figure here, three particles of mass m = 0.030 kg are fastened to three rods of length d=…

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Q: A double concave lens has surface radi of 31.4 cm and 28.3 cm. T Part A What is the focal length it…

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Q: Two couples act on the frame. (Figure 1) Figure 100 lb 30% 13 ftd-3f1-B A ve 30⁰ 100 lb 150 lb 4 ft…

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Q: 4. A +3.0 x 10-5 C charged particle with a mass of 2.0 x 104 kg is ejected through the top positive…

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Q: An object undergoes constant acceleration. Which of the following statement(s) MUST be TRUE? A The…

A: Aceeleration is defined by change in velocity in a short period of time i.e when an object moves…

Q: It is said that Galileo discovered a basic principle of the pendulum- that the period is independent…

A: Time Length Angle Velocity maximum

Q: 4(x) =

A: Now here given the values that,a=7.50cm=0.075mProbability 87%=0.87So now we get from normalization…

Q: A pair of long, rigid metal rods, each of length L, lie parallel to each other on a perfectly smooth…

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Q: Two planes take off at the same time from an airport. The first plane is flying at 280 miles per…

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Q: A 1100N uniform boom is supported by a cable perpendicular to the boom, as seen in the figure below.…

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Q: The position of a particle is given by the following equation: x = (2 m/s³) t³+ (2.5 m/s) t where t…

A: The position of a particle is given byx(t)=2t3+2.5t where t is in secondsNow the velocity of the…

Q: A 3.0 cm tall object is 15 cm in front of a convex mirror that has a -25 cm focal length. Determine…

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Q: and the 10.64 Figure P10.64 The mechanism shown in Fig. P10.64 is used to raise a crate of supplies…

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Q: Four charges, qa, qb, qc, qd are fixed at the corners of a square. A charge q that is free to move…

A: Based on the description of the question there can be as many as six different cases or scenarios.In…

Q: A 0.32-kg skeet (clay target) is fired at an angle of 28° to the horizon with a speed of 25 m/s.…

A: Range ,NowAfter collision skeet moves along horizontally at, Vertical velocity of pellet is,Now…

Q: An airplane has a mass of 3.61 x 104 kg and takes off under the influence of a constant net force of…

A: Given Data: The mass of the airplane is M=3.16×104 kg.The airplane takes off under the influence of…

Q: 5) A horizontal wire holds a uniform ball of mass m, and radius R in place on an inclined plane with…

A: Giventhe mass of the ball is mthe radius of the ball is RThe angle of the inclined plane is Need to…

Q: You have enrolled in a scuba diving class and while swimming under water in a nearby lake you look…

A: i=24°

Q: In exercising, a weight lifter foses 0.107 kg of water through evaporation, the heat required to…

A: Given-the amount of water the weight lifter loses, the work done in lifting weights, the latent heat…

Q: What method of arm pull do you expect to see most of the swimmers using during Swim the Suck…

A: Sculling (S Shaped)During swim the suck most swimmers are likely to use sculling (S-shaped).Sculling…

Q: Exercise 7.9 A small rock with mass 0 16 kg is released from rest at point A, which is at the top…

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Q: A bullet of mass m 8.00 g is fired into a block of mass M 280 g that is initially at rest at the…

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Q: The constant 10-lb force is applied to the 79-lb stepped cylinder as shown. The centroidal radius of…

A: Given,The applied force, The weight of the cylinder, Radius of gyration, The time, The radius,Angle,…

Q: Mass m1= 3kg has an initial velocity of V1i = 50m/s and undergoes a 1-D elastic collision with mass,…

A: The collisions are elastc. So momentum and kinetic energy is conserved in these collisions. We will…

Q: Two identical, small insulating balls are suspended by separate 0.31-m threads that are attached to…

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Q: While riding in a hot air balloon, which is steadily descending at a speed of 2.39 m/s, you…

A: From kinematics equation we know,                             And,                      where, 'v'…

Q: A wrecking ball (weight = 4510 N) is supported by a boom, which may be assumed to be uniform and has…

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Q: A person slides a small ball with speed u along the floor from point A. If x= 3.7 m, R = 1.3 m,…

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Q: A chain 59 meters long whose mass is 24 kilograms is hanging over the edge of a tall building and…

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Q: A crate of eggs is located in the middle of the fat bed of a pickup truck as the truck negotiates an…

A: Coefficient of friction =0.560radius of circle R= 38macceleration due to gravity g=9.8m/s^2

Q: A 0.30-kg puck, initially at rest on a frictionless horizontal surface, is struck by a 0.20 - kg…

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Q: A-9.50 nC point charge and a +19.0 nC point charge are 15.5 cm apart on the x-axis. ▼ Part A What is…

A: The value of charges are: The distance between the charges are:

Q: (a) Show that wave function of plane wave may be written as 2 77 λ y(x, t) = A cos -(x - vt) (b) Use…

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Q: Two children, A and B, are sliding on a frozen frictionless pond when they collide and stick…

A: Given dataMass of child A , mA=25.0 kgIt's initial speed vB =1.80m/sMass of child B, mB =35.0kgFinal…

Q: The drive propeller of a ship starts from rest and accelerates at 2.99 x 103 rad/s² for 2.05 x 10³…

A: Total angular displacement is given bytotal

Q: Needs Complete typed solution with 100 % accuracy.

A: From the diagram,By taking the x direction,we have

Q: A skydiver jumps from a slow-moving airplane. The skydiver's mass is 79.5 kg. After falling for some…

A: The skydiver's mass (m) = 79.5 KgTerminal speed (VT ) = 54.1 m/s

Q: Calculate the de Broglie wavelength of a 4.8 MeV particle emitted from an atomic nucleus whose…

A: The energy of the alpha particle is,The diameter of the atomic nucleus is The mass of the alpha…

Q: When human skin is wounded because of a puncture or scrape, disk-shaped keratinocyte cells migrate…

A: The diameter of keratinocyte cells is The angular speed of rolling keratinocyte cells is  The length…

Q: a. Draw a clearly labeled free-body diagram for the chair b. Use your diagram and Newton's laws to…

A: