nicolliasimao nicolliasimao

24-03-2022
Physics

contestada

A physics student stands on a bathroom scale in an elevator which is not moving. The scale reads 604 N. The elevator then accelerates downward at 1.98 m/s2. What does the scale read during this acceleration?

Respuesta :

24-03-2022

Answer:

If we take downwards as the positive direction -

m a = m g - T difference between scale and mg is equal to acceleration

T = m (g - a)

m = 604 / 9.80 = 61.6 kg mass of student

T = 61.6 (9.80 - 1.98) = 482 N scale reading

Answer Link

Otras preguntas

Which of the following is a characteristic of scientific investigation? (5 points) a It is based on opinion. b It is replicable. c It is subjective. d It is

Which of the following is not a disadvantage of using wind power? A. Turbines are expensive. B. Birds often fly into fan blades. C. Energy production decreases

3. What was the purpose of the Gettysburg Address? A. To end the war B. To remind people of the purpose of the war C. To increase donations to the war effort

“The Day Language Came into My Life” Paragraph 4 is an example of A. symbolism. B. sarcasm. C. foreshadowing. D. personification.

Describe the shape of the western gorilla’s hands Describe the shape of the European mole’s hands

2. Arguments over which key issue in the United States during the 1830s and 1840s led to Civil war

A quantity with an initial value of 680 grows continuously at a rate of 50% per day. What is the value of the quantity after 1 week, to the nearest hundredth? H

.... is a way to engage people at different locations in synchronous interaction ( fill in the blank space)

A 3.89 x 10-8 F capacitor has a voltage applied, which creates 1.15 x 10-10 C of charge on the plates. What voltage was applied?

What is implied at the end of this chapter when White Fang follows after Collie rather than accompanying his master on his ride?