an echo bounces from a building exactly 1.00 s after you honk your horn. how many feet away is...
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an echo bounces from a building exactly 1.00 s after you honk your horn. how many feet away is...
How many meters away is a cliff if an echo is heard 0.500 s after the original sound
How many meters away is a cliff if an echo is heard 0.500 s after the original sound? Assume that sound traveled at 343 m/s on that day.
An electrical tower of height 12 feet stands 21 feet away from a 20-foot tall building. A support...
An electrical tower of height 12 feet stands 21 feet away from a 20-foot tall building. A support cable stretched from the top of the tower to a point on the ground and then back to the top of the building. How far from the base of the tower should the cable be attached on the ground so that the least amount of total cables is used? You must set up an appropriate function to get credit. Show all work....
Please help me!! I'm stuck! And please show all the work too! 8. The air horn...
Please help me!! I'm stuck! And please show all the work too! 8. The air horn on a fire engine has a frequency of 180 Hz as heard by the driver. What frequency is heard by a pedestrian who sees the vehicle traveling away from him at 22.0 m/s? (Assume it is a hot day and the speed of sound is 350 m/s) 11. A ball of mas M traveling at 10.0 m/s makes a head-on collision with a second...
You're driving your new Corvette convertible and can clearly hear other cars driving nearby. One of...
You're driving your new Corvette convertible and can clearly hear other cars driving nearby. One of these cars honks their horn and your car, with its apps and sensors, displays the horn sound as 760Hz. Your Corvette also registers the car as a Mustang with a car horn of 795Hz. You are stopped at a stop light when their horn blares. Another of your Corvette apps measures the air temperature to be 26°C. a) What is the speed of sound...
tons 415S araw 475 CNMG 333 You have a building that is 425" x 1249'-7" x 20 tall. The building needs t...
tons 415S araw 475 CNMG 333 You have a building that is 425" x 1249'-7" x 20 tall. The building needs to be air-conditioned. One ton of air conditioning will condition 475 square feet How many tons of air conditioning will be needed? (2 points) If 20 ton Roof Top Units (RTU) are to be used, how many RTU's will be required? Round up to the next whole unlt (2 points) Wast are the cubic feet per RTU? (2 points)...
1. You're driving your new Tesla convertible and can clearly hear other cars driving nearby. One...
1. You're driving your new Tesla convertible and can clearly hear other cars driving nearby. One of these cars honks their horn and your car, with its fancy apps and sensors, displays the horn sound as 760Hz. Your Tesla also registers the car as a Ferrari with a car horn of 795Hz. You are stopped at a stop light when their horn blares. Another of your Tesla's apps measures the air temperature to be 26°C. a) What is the speed...
An ideal gas undergoes an adiabatic compression from p = 1.00 atm, V = 1.00 x...
An ideal gas undergoes an adiabatic compression from p = 1.00 atm, V = 1.00 x 106 L T = 0.00°C to p = 1.00 x 10s atm, V = 1.00 x 103 L. (a) Is the gas monatomic, diatomic, or polyatomic? (b) What is its final temperature? (c) How many moles of gas are present? What is the total translational kinetic energy per mole (d) before and (e) after the compression? (f) What is the ratio of the squares...
Your friend is about to drive away after moving out and you notice that they left...
Your friend is about to drive away after moving out and you notice that they left behind their basketball, so you decide to throw it at a 45 degree from the horizontal towards the truck. If the truck is 7.3 m away from you, at what speed must you throw the ball for it to make it into the truck? Assume you launch the ball at the same height as the truck bed. Report the value in m/s rounded to...
You stand two feet away from a planer mirror. How far is it from you to...
You stand two feet away from a planer mirror. How far is it from you to your image? a. 2.0 ft b. 3.0 ft C. 4.0 ft. d. 5.0 ft. 10. A concave mirror forms a real image 25.0 cm from the mirror surface along the principal axis. If the corresponding object is at a 10.0-cm distance, what is the mirror's focal length? a. 1.43 cm b. 16.7 cm c. 12.4 cm d. 7.14 cm 11. If a virtual image...
You're driving your new Corvette convertible and can clearly hear other cars driving nearby. One of these cars honks their horn and your car, with its apps and sensors, displays the horn sound as 760Hz. Your Corvette also registers the car as a Mustang with a car horn of 795Hz. You are stopped at a stop light when their horn blares. Another of your Corvette apps measures the air temperature to be 26°C. a) What is the speed of sound...
tons 415S araw 475 CNMG 333 You have a building that is 425" x 1249'-7" x 20 tall. The building needs to be air-conditioned. One ton of air conditioning will condition 475 square feet How many tons of air conditioning will be needed? (2 points) If 20 ton Roof Top Units (RTU) are to be used, how many RTU's will be required? Round up to the next whole unlt (2 points) Wast are the cubic feet per RTU? (2 points)...
1. You're driving your new Tesla convertible and can clearly hear other cars driving nearby. One of these cars honks their horn and your car, with its fancy apps and sensors, displays the horn sound as 760Hz. Your Tesla also registers the car as a Ferrari with a car horn of 795Hz. You are stopped at a stop light when their horn blares. Another of your Tesla's apps measures the air temperature to be 26°C. a) What is the speed...
An ideal gas undergoes an adiabatic compression from p = 1.00 atm, V = 1.00 x 106 L T = 0.00°C to p = 1.00 x 10s atm, V = 1.00 x 103 L. (a) Is the gas monatomic, diatomic, or polyatomic? (b) What is its final temperature? (c) How many moles of gas are present? What is the total translational kinetic energy per mole (d) before and (e) after the compression? (f) What is the ratio of the squares...
You stand two feet away from a planer mirror. How far is it from you to your image? a. 2.0 ft b. 3.0 ft C. 4.0 ft. d. 5.0 ft. 10. A concave mirror forms a real image 25.0 cm from the mirror surface along the principal axis. If the corresponding object is at a 10.0-cm distance, what is the mirror's focal length? a. 1.43 cm b. 16.7 cm c. 12.4 cm d. 7.14 cm 11. If a virtual image...
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