28. What is the frequency observed by a runner moving at 10 m/sec, it the runner is followed by an ambulance moving at 25 m/sec in the same direction as the runner, with its siren wailing at 400 Hz? (VSOUND = 340 m/sec) %3D

Q: 5. A box-shaped piece of concrete measures 3 ft by 2 ft by 0.5 ft. (a) What is its weight? (b) Find…

A:

Q: 1)A square coil with N = 50 turns has sides of length I = 15 cm. When it is placed in a uniform…

A:

Q: Two objects are on a collision course. Object #1 has a mass of 13.7 kg and an initial velocity of…

A: Given: Object 1 has a mass m1 = 13.7 kg with initial velocity of u1 = 18.5 m/s i. Object 2 has a…

Q: B A coin sits on a rotating turntable as shown in the figure. At the time shown in the figure, which…

A: We need to say what the direction of friction will be on the coin on turntable.

Q: A spring with spring constant of 840 N/m is attached on the left side to a wall and to the right…

A:

Q: Part A Calculate the horizontal distance traveled by the shot if it leaves the athlete's hand at a…

A: write the equation for the vertical motion at the end of the projectile motion. y=y0+vt+at22

Q: A uniform magnetic field with B = 2.7i [T] passes through a hemispherical shell oriented with the…

A: Magnetic flux is a measure of the strength of a magnetic field passing through a given area. It is…

Q: fantasy park as showm. What will be the final speed of the roller coaster, if it starts from rest at…

A:

Q: The top view is shown for a solid conducting cylinder of length L, which is very long, and of radius…

A: Given-          radius of inner conducting cylinder = R          charge on inner cylinder = Q…

Q: 11. With the two charges in the space below, draw field lines around them. NOTE: The positive charge…

A: 2q and -q We have to draw field lines around them. Electric field line can never intersect…

Q: 8. Determine the acceleration of the block up the hill. The coefficient of friction is 0.1 M= 3.0 kg…

A:

Q: 12 and 13 if not just number 12

A: Comment: Since we only answer up to  1 question, we’ll answer the 1st question only. Please resubmit…

Q: 5. (Problem 22-23) A wire 2.80 m in length carries a current of 5.00 A in a region where a uniform…

A:

Q: A UFO going 100 m/s north suddenly experienced a constant acceleration for 71 s during which it's…

A:

Q: = 100 m/s is ejected between 3. Suppose that an electron with a velocity vo two horizontal plates…

A:

Q: 44. (a) What is the equivalent resistance between points A and B? (b) A 276-V emf is connected to…

A:

Q: 5. A brown stinky liquid has density = 3.119g/mL. Calculate the volume of 98mL of this liquid.

A: Hello. Since you have posted multiple questions and not specified which question needs to be solved,…

Q: A baseball fan sitting in the "cheap seats" is d = 149 m from home plate (see the figure below). How…

A:

Q: Question 6 Light: Always acts like a wave O Always acts like a particle O Acts like a particle…

A:

Q: If the point charge Q = 60 µC is located at the origin, calculate the Electric field vector at…

A: Solution:-Given thatQ=60 μC=60×10-6 Cpoint=(2m, 3m)

Q: and Parallel Forces

A:

Q: (c) Deter Teren In an RC series circuit, 8= 12.0 V, R = 1.40 MN, and C = 1.80 µF. (a) Calculate the…

A:

Q: The following graph shows how the force applied to an ice hockey puck varies with distance. The puck…

A: Given,  Mass of puck is 170 g and force applied on it till 0.32 sec

Q: Bernoulli's principle is based on conservation of energy and the equation of continuity is based on…

A: Given data: The diameter of bigger channel is D1=3.1 cm. The diameter of smaller channel is D2=1.3…

Q: Calculate the cyclotron frequency of an a-particle moving through a 1.5T magnetic field in a…

A: Given that,  Magnetic field, B=1.5 T

Q: 1. Four students are trying to move a table from one corner of the classroom to another, as…

A: Given Data: Let us consider the given forces acting on rectangular table. We are to find resultant…

Q: An infinitely long line charge having a uniform charge per unit length 7.5C/m lies a distance 3.0m…

A:

Q: förce strength and direction 4 Calculate the kinetic friction force and direction 5 Find the net…

A: 4)  Kinetic friction force F=μXN F= 0.1 X654.89 F=6.5489 N Direction : as shown in fBD, side of…

Q: When it comes to magnets, like poles... O don't interact. O attract. O repel.

A: Answer:

Q: A metal rod 0.750 m long is places on a mass balance and is found to have a mass of 245 g. It is in…

A:

Q: 2.What is Va-Vb for a one turn coil with a uniform Magnetic Field (B) and a radius of 50cm. N-1…

A:

Q: Can someone pls help with these questions?

A: Given that :- Distance between your house to your friend's house=3 mile

Q: 1. (Problem 22-1) A proton travels with a speed of 3.00 x 106 m/s at an angle of 37.0° with the…

A: speed of proton = V = 3 X 106 m/smagnetic field = B = 0.3 Tangle = 370

Q: A 500-g sample of iron is heated to 50.0°C and placed on a very large block of ice, which is…

A: Given Data: The mass of the iron sample is: m=500 g=0.5 kg The temperature of the iron sample is:…

Q: Problem 1 A rock is thrown straight upward at 9 m/s just over the side of a raised deck, 5.5 m above…

A: Initial velocity of the rock, Height from which the rock was thrown,

Q: А (A- 44.0) 28.0° 56.0% В (В 3D 26.5)

A:

Q: Calculate the magnetic field strength of a solenoid that contains 1000 windings (turns) of wire over…

A: Given, The number of turns, N = 1000 The length of the solenoid, l = 10 cm = 0.1 m The current…

Q: can you help me with my homework Need help with the problem below

A: Given: The mass of the charged particle is 57.2 g. The charge on the particle is +2.14 μC. The…

Q: 1)The circuit on the right must be solved by reducing it to a single equivalent resistance, R= 32…

A: Given: V=24 V R1=3 ΩR2=5 ΩR3=4 ΩR4=6 Ω A) R2, R3 are connected in parallel Rp=R2×R3R2+R3     =5×45+4…