PHYSICS HIGH SCHOOL

If you place one staple on an electronic balance, the balance still reads 0.0 grams. However, if you place210 staples on the balance, it reads 6.80 grams. What is the mass of one staple?

Answers

Answer 1
Answer: mass of 1 staple = 6.8 g/210 staples
mass of 1 staple  = 0.032380952 g
Hope that helps!!
Answer 2
Answer:

Answer:

210/6.8 = 1/x

210x = 6.8

x = 0.03238 grams = 32.4 milligrams

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The __ is responsible for determining the frequency of vibration of the air column in the pool with in a wind instrumen . A. Type of reed use . B. Effective length of the tube. C humidity of the air

Answers

Answer;

B. Effective length of the tube.

Explanation;

  • Most wind instruments are of either the open-open tube or the open closed tube type. Open ends of the tubes makes contact with the outside, atmospheric air.
  • At an open end, when the air is disturbed in the wind instruments, the air vibrates with a variety of frequencies, however the frequencies that correspond to the natural frequencies will persist.
  • Effective Length of the tube is responsible for determining the frequency of vibration of the air column in the pool with in a wind instrument.

The effective length of the tube is responsible for determining the frequency of vibration of the air column in the tube within a wind instrument.

Signs marking __________ may indicate requirements associated with them and the hours when those requirements apply.

Answers

HOV lanes.

What is HOV lanes?

High-Occupancy Vehicle (HOV) lane is a lane that is designated for use by certain types of vehicles with a specified number of occupants.

It can offer travel-time savings to those who choose to carpool or take transit.

HOV lanes can move a greater number of people than a general traffic lane, and encourage carpooling and transit use by providing travel-time savings and a more reliable trip time.

HOV lanes are open 24 hours a day, seven days a week.

Here,

Signs marking HOV lanes may indicate requirements associated with them and the hours when those requirements apply.

Learn more about HOV lanes here:

brainly.com/question/14333805

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B. HOV lanes    (not gore areas or toll booths, if those are the two other choices)

A kid on a playground swing makes 6 complete to-and-fro swings each 30 seconds

Answers

i assume that you want to find out what's the frequency is.

Number of oscillation = 6  which being done in 30 second.

which means the time period for 1 oscillation is 30 second/6 = 5 second


Frequency = 1/time period
                 = 1/5 Hertz

Hope this help

The greater the___of the object, the greater the force needed to achieve the same change in motion.

Answers

Answer:mass

Explanation:

What term defines the specific amount of time required for half of a radioactive substance to become stable?a. half-life
b. decay phase
c. decay period
d. a gamma second

Answers

a would be the answer because thats how long it takes

A hair curling iron uses 13 watts of power. how long must it operate to do 1,040 joules of work?

Answers


Knowing the solution to the 4-watt night light, you ought to be able to do this one on your own.  But 5 points is 5 points, so here we go:

1 watt = 1 joule/second .

                            (1,040 joule) / (13 joule/second)

                        =    (1,040 / 13) (second)

                        =       80 seconds .  
Power of Watt = Energy in Joules / Time period in seconds

13 watts = 1040 joules / time in seconds
time in seconds = 1040 joules / 13 watts
time in seconds = 80 seconds

It must operate for 80 seconds to do 1,040 joules of work.
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