3 years ago

If the change in velocity increases, what happens to the acceleration during the same time period?

Physics

2 answers:

xz_007 [3.2K]3 years ago

6 0

The answer is B hope this helps

vfiekz [6]3 years ago

4 0

The answer should be “Acceleration increases.”

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A sonar device on a ship sends ultrasound waves under the water to locate a sunken ship. It takes the ultrasound wave 0.6 second

stealth61 [152]

Answer:

d= 1450× 0.6/2=426m

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3 years ago

What is the effect of the following change on the volume of 1 mol of an ideal gas? The initial pressure is 722 torr, the final p

Ray Of Light [21]

Answer:

A. Volume is unchanged

Explanation:

$P_{i}$ = initial pressure of the gas = 722 torr = 96258.7 pa

$P_{f}$ = final pressure of the gas = 0.950 atm = 96258.75 pa

$T_{i}$ = initial temperature = 32 °F = 272.15 K

$T_{f}$ = final temperature = 273 K

$V_{i}$ = initial volume

$V_{f}$ = final volume

Using the Equation

$\frac{P_{i} V_{i}}{T_{i}} = \frac{P_{f} V_{f}}{T_{f}}$

Inserting the values

$\frac{(96958.7) V_{i}}{272.15} = \frac{(96958.75) V_{f}}{273}$

$V_{f} = (1.00312) V_{i}$

Hence the volume is unchanged.

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3 years ago

The moon orbits around the earth, which rotates on its own axis. As a result,

Elan Coil [88]

b is it

Explanation:

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3 years ago

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The light from the Sun heats a metal surface

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This is called Conduction.

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3 years ago

Joe is an athlete and ran today. His exercise heart rate is 130. His THRZ is 147-179

Katyanochek1 [597]

Answer:

The correct option is;

a) Mike, he is within his target heart rate zone

Explanation:

The Target Heart Rate Zone (THRZ) is the range of the percentage of a person's maximal heart beat rate (MHR) targeted to be achieved during exercising. It is a very good way to gauge the comparative intensity of a person's exercise

Whereby, Joe's heart beat rate is below his THRZ and Mikes heart beat rate is within his THRZ, Mike is working harder.

Hence the correct option is (a) Mike, he is within his target heart rate zone.

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3 years ago