A sound source starts at an amplitude of 50 db. If the sound that reaches your ear is 32 db. How far away are you standing?

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Q: 10. A cyclist travels at a speed of 20 km/hour. How far will he travels in 5 hours?

A: Given data:  Speed of cyclist (v) = 20 km/hour Time (t) = 5 hours

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Q: Could a collision be elastic in one frame of reference and inelastic in another?

A: Solution attached in the photo.....

Q: Convert 5 x 1010 Megahertz to bits per second. Giving detailed explanations

A: Given Frequency = 5×1010 Megahertz

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A: The initial speed of the cart: v = 3.5 m/s.The mass of the cart: m = 200 g (0.2 kg).The kinetic…

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Q: If an explosion occurs 34 kilometers away, the time it will take for the sound to reach you…

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A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

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A: Use kinematic expression to find the time elapsed v=u+att=v-ua=27.4 m/s-9.4 m/s3.8 m/s2=4.74 s

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Q: 7. IS this scenario possible?

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Q: E1.A horizontally directed force of 25.0 N is used to pull a box a distance of 1.5 m across a…

A: Dear Student,   As per our company policy, I am allowed to answer only first 3 subparts. So, kindly…

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Q: (a) Find the velocity of a neutron that has a 6.00-fm wavelength (about the size of a nucleus).…

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Q: 1. What is the x component of A'? 2. What is the y component of A'? 3. What is the y component of B?

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A: Given, Density in trial 1 = 0.7841 g/mL Density in trial 2 = 0.7851 g/mL

Q: Express 38 km h-¹ in m s-¹.

A: Given: The phsysical quantity is 38 km/h.