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mel-nik [20]
3 years ago
14

Suppose you are in an elevator. As the elevator starts upward, its speed will increase. During this time when the elevator is mo

ving upward with increasing speed, your weight will be:
Physics
1 answer:
kkurt [141]3 years ago
6 0

Answer:increased

Explanation:

It is given that elevator speed is increasing while moving upward i.e.its acceleration is increasing .

This causes the apparent to be increased if measured using weighing machine.

considering upward direction to be positive

N-mg=ma

N=m(g+a)

where N=Normal reaction=Apparent weight

a=acceleration of Elevator

thus you feel as if your weight is increased.

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A runner wants to run 12.0 km . Her running pace is 8.2 mi/hr . How many minutes must she run? Express your answer using two sig
Hunter-Best [27]

Answer:

53 minutes

Explanation:

To solve this problem, we need to use common proportions to convert.

= 11.7km * 1mi/1.61km * 1hr/8.2mi * 60min/hr

≈ 53 minutes

Best of LUck!

5 0
3 years ago
1. What does the term monecious mean?
ValentinkaMS [17]

Answer:

Monecious is a plant or invertebrate animal having both the male and female reproductive organs in the same individual; hermaphrodite.

7 0
2 years ago
A battery establishes a voltage V on a parallel-plate capacitor. After the battery is disconnected, the distance between the pla
disa [49]

Answer:

d.

Explanation:

Since, the capacitance( decreases )

therefore voltage between the plates(increases ).

Hence, option d is correct.

C =εA/d.

d is doubled, therefore  C decrease ( inverse relation).

4 0
3 years ago
A chief finds a glittering stone which he shows to the family. The family assures him that the stone is pure gold but he doubts.
Nina [5.8K]

I will tell the Chief about the high worth of the Gold and the various

substances it can be used to produce.

<h3>What is Gold?</h3>

Gold is a naturally occurring element with a bright, slightly orange yellow

color. It has a high value and can be used in the production of various

substances such as:

  • Jewelries
  • Medals and awards
  • Arts etc.

The Chief should however be told about the high worth value of Gold and

the various things it can be used for so he can make a decision.

Read more about Gold here brainly.com/question/1159978

5 0
2 years ago
Sound waves travel in air at 343 m/s. The lowest frequency one can hear is 25.0 Hz; the highest frequency is 25.0 kHz. Find the
Slav-nsk [51]

Answer:

13.72 m and 0.01372 m respectively

Explanation:

Wavelength: This can be defined as the distance covered in one complete oscillation. The S.I unit of wavelength is meter (m).

The formula for the speed of a wave is given as

v = λf ............................. Equation 1

Where v = speed of the sound wave, λ = wavelength, f = frequency of the sound wave.

make λ the subject of the equation,

λ = v/f ......................... Equation 2

For the lowest frequency,

Given: f = 25 Hz, v = 343 m/s.

Substitute into equation 2

λ = 343/25

λ = 13.72 m.

For the highest frequency,

Given: f = 25 kHz = 25000 Hz, v = 343 m/s

Substitute into equation 2

λ = 343/25000

λ = 0.01372 m.

The wavelength of sound for 25 Hz and 25 kHz = 13.72 m and 0.01372 m respectively

8 0
3 years ago
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