is the car exceeding speed limit?

Q: How many times a minute does a boat bob up and down on ocean waves that have a wavelength of 28.6 m…

A: Wavelength of ocean waves (λ) = 28.6 m Propagation speed of ocean wave (v) = 4.88 m s-1

Q: or moths to eat, a bat emits a chirp that lasts for 4.80 ms and then is silent while it listens for…

A: GivenTotal time taken=4.8 ms=4.8×10-3 s Bat is flying toward the moth at a speed of 4.40 m/sMoth is…

Q: Suppose you want to demonstrate the Doppler effect for deep-water waves, using a 6.42 Hz source…

A: Given that:fs=6.42 Hzfo=4×6.42=25.68 Hz

Q: A group of hikers hears an echo 2.80 s after shouting. How far away is the mountain that reflected…

A:

Q: A stationary police officer directs an ultrasonic pulse of frequency 22 800 Hz at an approaching…

A:

Q: If a wave has a period of 1.735 × 10−15 s and a wavelength of 520.0 nm, how fast is it travelling?

A: Given:T = 1.735 × 10−15 s λ = 520.0 nm = 520.0 x 10-9 m Solution:We know, speed of wave is given…

Q: Two traveling sinusoidal waves are described by the wave functions Y1 = 4.75 sin [¤(3.75x - 1230t)]…

A: Given: y1=4.75 sinπ3.75x-1230ty2=4.75 sinπ3.75x-1230t-0.250 a. y=y1+y2sin A+sin B=2…

Q: Two sinusoidal waves travelling in the same direction with the same amplitude, wavelength, and…

A: The standard equation of the wave formed when two waves undergone constructive interference is…

Q: Suppose you want to demonstrate the Doppler effect for deep-water waves, using a 6.43 Hz source…

A: Doppler's Effect: It is a phenomenon in which the frequency observed by the observer changes due to…

Q: While hunting for moths to eat, a bat emits a chirp that lasts for 2.10 ms and then is silent while…

A: Given data: total time for bat to chirp is t = 2.10 ms speed for bat vb = 4.40 m/s speed for moth vm…

Q: A wave travelling in the +ve x -direction having displacement along y -direction as 1 m, wavelength…

A:

Q: calculate the Doppler shift (the difference of the observed and emitted frequencies) for light from…

A:

Q: A police car is moving at 44.5 m/s to catch up with a speeder directly ahead. The speed limit is…

A: Given that: The speed of police car, vp= 44.5 m/s Speed limit = 29.1 m/s frequency of microwave…

Q: A group of hikers hears an echo 3.20 s after shouting. How far away is the mountain that reflected…

A: Given, time (t) = 3.20 s             speed of sound (v) = 346 m/s The sound pulse emitted by the…

Q: What frequency is received by a stationary mouse just before being dispatched by a hawk flying at it…

A:

Q: con

A: Given:   y = [Cos (100t) Sin (x)]/π

Q: An alert physics student stands beside the tracks as a train rolls slowly past. He notes that the…

A:

Q: A police car is moving at 40.3 m/s to catch up with a speeder directly ahead. The speed limit is…

A:

Q: A car accelerates uniformly from zero to 12 m/s2 in 8 sec starting from rest. During the next 4…

A:

Q: A train approaches a station platform at a speed of 10 m/s, blowing its whistle at a frequency of…

A: Given that :vt=10 m/svp=1m/sft=100 Hzvs=342 m/s

Q: s(y,t) = (3.5nm) sin [(12.5 rad/m) y + (4340 rad/s) t] describes a soundwave. What is the velocity…

A: The displacement of the wave at equilibrium position y and time t can be expressed as, Here, A, k…

Q: What frequency is received by a stationary mouse just before being dispatched by a hawk flying at it…

A: To solve this problem, we can use the Doppler effect formula for sound: f′=f(v+vr​v+vs​​)Where:𝑓′…

Q: A group of hikers hears an echo 1.30 s after shouting. How far away is the mountain that reflected…

A:

Q: Light is an electromagnetic wave and travels at a speed of 3.00 × 108 m/s. The human eye is most…

A:

Distance and Speed

The speed, distance and time relation forms the basis of study of motion. You will need these concepts in the study of Mechanics. This concept is applicable for students who are studying the following courses –