stirllily stirllily

16-12-2021
Physics

contestada

If a ball experiencing no air resistance is dropped from a plane flying at 500.0 m above the ground and the ball lands 400.0
m horizontally from the initial dropping point, how fast was the plane flying when the ball was released. (Assume no air
resistance

Respuesta :

Аноним Аноним

16-12-2021

Answer:

Explanation:

time to drop 500 m

h = ½gt²

t = √(2h/g)

t = √(2(500)/9.8) = 10.1 s

v = d/t = 400.0/10.1 = 39.6 m/s (about 143 kph)

Answer Link

ACCESS MORE ACCESS MORE ACCESS MORE ACCESS MORE

Otras preguntas

Which of the following qualities do China and India have in common? A. Mandarin is the most commonly spoken language. B. Literacy rates are over 90% for all cit

Which tagline from a car advertisement has the BEST connotative appeal to the parents of a new teenage driver? a. Advanced new safety features that get everyon

Knowing that Don Juan is an epic, we can expect the poem to be A. narrative. B. lyrical. C. short. D. factual.

how do the syntax and rhetorical features that jefferson uses in the sentence of the second paragraph contribute to the persuasiveness of the document

How has the U.S. economy changed over the past 50 years?

which word best describes the sentry as he describes the dust storm

Which of the following was a result of the Dawes Act? A. American society came to accept Native Americans. B. Centralized power held by tribes was strengthened

Healthy weight management over the human life span:Question 13 options: depends on the number of dieting programs tried. depends on finding the right diet pill

What is the participle in this sentence? The laughing child looks happy, but she was sulking this morning. A. happy B. looks C. was sulking D. laughing

From the tone of Chief Joseph’s speech, “I Will Fight No More Forever,” you can infer that he has been pursued for a long time. a. True b. False