jacktipton jacktipton

02-04-2021
Physics

contestada

Josh shouts down the school hallway and his friend standing at the end. His voice is heard in 0.057s. How long is the hallway?

Respuesta :

keijosalonen keijosalonen

02-04-2021

Answer: Hallway is 20 m long

Explanation: assume speed of sound is 343 m/s in 20 C temperature.

Distance s= vt = 343 m/s· 0.057 s= 19,55 m

Answer Link

Otras preguntas

''if there are diminishing returns, the marginal cost curve must be positively sloped '' is true or fall, why?

7. I won't let you down 'she promished me.( indirect speech)

A woman pulls on a 6.00-kg crate, which in turn is connected to a 4.00-kg crate by a light rope. The light rope remains taut. Compared to the 6.00-kg crate, the

find lub and glb of the following set E={0.2, 0.23, 0.234, 0.2343, 0.23434, 0.234343,.....}

1. A bicycle initially moving with a velocity5.0 m s-1 accelerates for 5 s at a rate of 2 m s? Whwill be its final velocity ?

Need answer asap algebra 2 math

Question 10: What is a K-turn?

Solve this inequality: x+ 4< 16

Dos ciclistas se encuentran compitiendo en un velódromo. Considere que el peso de cada ciclista es W1 y el peso de cada bicicleta es W2. En el instante en el qu

What is area. Write the relation of m2 with its multiples .