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How far away are you if it takes 15 seconds to hear an echo?
If it takes 15 seconds for an echo to be heard, the distance between you and the reflecting surface (such as a wall, cliff, or building) is approximately 2,250 meters (15 seconds multiplied by the speed of sound at sea level, which is about 343 meters per second).
How many seconds does it take for sound to arrive at the back of a big auditorium if the temperature in the room is 20C and the stage is 33.6 meters away?
The speed of sound in air at 20C is approximately 343 meters per second. To find the time it takes for sound to travel 33.6 meters, you divide the distance by the speed: 33.6 meters / 343 m/s ≈ 0.098 seconds.
How much time does it takes light to reach the surface of the earth?
From the Sun, it takes about 500 seconds. That's 8 minutes and 20 seconds.
The sound wave is directed towards a cliff that is 680 meters away from the source of the sound An echo wave is heard 4 seconds after the wave is produced What is the period of the sound wave?
The time it takes for the sound to travel to the cliff and back as an echo is 4 seconds. Since the sound wave travels twice the distance to the cliff and back, the total distance traveled is 2 × 680 = 1360 meters. Using the formula speed = distance/time, we can calculate the speed of sound. The period of the sound wave is the time it takes for one complete cycle, which in this case is the time it takes for the sound to travel to the cliff and back, which we found to be 4 seconds.
What takes eight seconds to occur?
A heartbeat typically takes around eight seconds to occur. This is the average time it takes for the heart to complete one full cycle of contraction and relaxation.
What is the acceleration experienced by a car that takes 10 seconds to reach 27 meters per seconds from rest?
velocity = acceleration x time 27 = acceleration x 10 acceleration = 2.7 m/sec/sec
When skydiver slows down from 54 meters to 4 meters by opening his parachute If this takes 0.75 seconds what is the magnitude of the skydiver's acceleration?
the magnitude of the skydivers acceleration is zero as he is decelerating by opening his parachute!
If a car takes 10 seconds to go from 0meters per second to 25 meters per second at constant acceleration what is the acceleration?
Acceleration = (change in speed) divided by (time for the change) = (25) / (10) = 2.5 meters per second2
A stone falls from a ledge and takes 8 seconds to hit the ground?
A stone that falls from a ledge and takes 8 second to hit the ground travels a distance of 313.6 meters. You can find this answer by substituting 8 seconds for time in the physics formula d = 1/2 x acceleration x (t squared), where d = distance, acceleration is given as a =9.8 meters/second squared, and t squared is time in seconds.
A car traveling at 8 meters per second due north speeds up to 10 meters per second in the same direction If it takes the car 5 seconds to change its velocity what is the car's acceleration?
Magnitude of acceleration = (change in speed) / (time for the change) = 2/5 Acceleration = 0.4 meters per second2 north
What is the magnitude of a skydiver's acceleration if it takes 0.75 seconds?
zero
Scooter acquires a velocity of 36 kilometre per hour in 10 seconds after the start it takes 20 seconds to stop calculate the acceleration?
Convert the speeds to meters per second (to convert from kilometers per hour to meters per second, you have to divide by 3.6). You have two accelerations here: for speeding up, and for slowing down. In each case, calculate the change in velocity, and divide that by the amount of time it takes. That's your acceleration, in meters per second squared.
How many seconds it takes you to walk 66 meters?
Depends on how fast your walking.
If it takes 6 seconds for a stone to fall to the bottom of the mine how deep is the mine?
The depth of the mine can be calculated using the formula: distance = 1/2 * acceleration due to gravity * time squared. Given the time is 6 seconds and the acceleration due to gravity is about 9.8 m/s^2, the depth of the mine would be approximately 176.4 meters.
What would the acceleration be if it took 10 seconds to go from 8ms to 18ms and why?
Divide the difference in speed by the time it takes. This will give you the average acceleration for that time period.
How far away are you if it takes 15 seconds to hear an echo?
If it takes 15 seconds for an echo to be heard, the distance between you and the reflecting surface (such as a wall, cliff, or building) is approximately 2,250 meters (15 seconds multiplied by the speed of sound at sea level, which is about 343 meters per second).
What kind of measurement is acceleration?
Acceleration is the rate of change of velocity and is measured in ms2 (meters per second squared). It can also be described as the time it takes for the speed to change.
