A train is leaving the platform at the speed of 33 m/s.A person standing on the platform waiting for his train observes frequency of 0.400 kHz.from the train's whistle that was pulling off the station.What is the actual frequency of the train whistle? (Take the speed of sound to be 340 m/s.) 364 Hz 444 Hz 361 Hz 439 Hz

Q: I-13) Which of the following images has the highest spatial frequency in the West-East dire A B C D

A: The option c is correct because the lines show in c digram is highest spatial frequency.

Q: v= 43"/ Haw rach is H on 25m

A: Using work energy theorem  Work done =change in kinetic energy

Q: 55. A cell tower is a site where antennas, transmitters, and receivers are placed to create a…

A: Given: Point A is (4,6). The range of the tower is 1.5 mi.

Q: A particle has a charge of q = +5.4 µC and is located at the origin. As the drawing shows, an…

A: we know that  electric force on moving and stationary charge  FE =  qE   magnetic force on…

Q: In the diagram below angle w is 36.0° and angle x is 116°. w iv

A: Given W= 36° X= 116°

Q: 35 ILW In Fig. 33-41, a beam of light, with tensity 43 W/m² and polarization parallel o ay axis, is…

A: Given  Intensity of light , Io = 43 W/m2  First angle , θ1 = 70°  Second angle, θ2 = 90°

Q: 5. Consider the resistor network connecting points A and B in the figure be- low. What is the…

A:

Q: The triangular loop of wire shown in the drawing carries a current of I = 3.60 A. A uniform magnetic…

A: Assume the given loop lies in xy plane such that the direction normally outward the page is positive…

Q: If A = 5î – 23 – 13k, B = -i – 83 – 3, and Č = 4î – 63 – 3k, what is |Ã × (B – C)? 70.0 72.8 29.0…

A:

Q: after 2 minutes and 16 seconds. Okm 1km 2km 3km 4km 5km 6km 7km 8km 9km 10km 11km An object moves…

A: Since you have posted a question with multiple sub-parts, we willprovide the solution only to the…

Q: 1 A light shines from the top of a pole 50 ft high. A ball is dropped from the same height from a…

A: Given Data: Height (h) = 50 ft.Distance 1 (d) = 30 ft.Time (t) = 12 s.Distance 2 (s) = 16t^2 ft. To…

Q: The illumination at a point is inversely proportional to the square of the distance of the point…

A: Let's denote the distance of point P from light source I as "x". According to the given information,…

Q: Which is NOTa small angle approximation?

A:

Q: could you also do d e and f?

A: Given := mass 0.593 kg amplitude 26 cm  T=0.418s ω=15.02 rad/s

Q: Q/ prove that µ=[(mM)/(M+m)]

A:

Q: It shows that A is not correct. I placed in as 839000, then tried 83900.

A: The angular speed The radius of the blades

Q: Are there any two angles which will give the same range? If so, what are they? If not, why not?

A: To prove :  To find two angles at which the range of motion will be same