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ludmilkaskok [199]

2 years ago

13

a football quarterback throws a football. after it leaves his hand, what forces are acting on the football? choose all that appl

y.

1 answer:

MAVERICK [17]2 years ago

3 0

golekeeper

Explanation:

because they use hand to save keeper

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A weather forecaster uses Doppler radar to predict the track of a storm near the town of hillville when the Doppler signal is he

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A student bangs a brick at the head of a table. Three students are positioned equal distance from the head with their hands on t

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that the people closer too the head of the table will feel more vibrations than the people at the end of the table. since the vibrations will slow down as they travel farther down the table

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Which of the following is a way in which earth material is returned to the surface?

kvv77 [185]

Answer:

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soil

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3 years ago

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What would be the resulting condition if Earth's axis was perpendicular to the Sun?

blagie [28]

Answer:

I belive it would be B or D, but B seems more likely

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2 years ago

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two engines are turned on for 763 s at a moment when the velocity of the craft has x and y components of v0x = 6380 m/s and v0y

svet-max [94.6K]

Answer:

Explanation:

Given

initial velocity component of engines is

$v_0_x=6380 m/s$

$v_0_y=6770 m/s$

time period of engine running=763 s

Displacement in $x=4.50\times 10^6$

$y=7.27\times 10^6$

Using $s=ut+\frac{at^2}{2}$ in x and y direction

$x=v_0_x\times t+\frac{at^2}{2}$

$4.50\times 10^6=6380\times 763+\frac{a\times 763^2}{2}$

$4.50\times 10^6-4.86\times 10^6=\frac{a\times 763^2}{2}$

$a=-1.23 m/s^2$

In y direction

$y=v_0_y\times t+\frac{a't^2}{2}$

$7.27\times 10^6=6770\times 763+\frac{a\times 763^2}{2}$

$7.27\times 10^6-5.16\times 10^6=\frac{a\times 763^2}{2}$

$a=7.24 m/s^2$

x component $=-1.23 m/s^2$

y component $=7.24 m/s^2$

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3 years ago

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