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patriot [66]
3 years ago
5

A hockey player uses a hockey stick to hit a puck such that the stick provides an applied force on the puck. The puck travels fo

r distance of 0.85m while experiencing the force from the stick. The puck leaves the stick with a speed of 8.0m/s and travels at constant speed in a straight line along the horizontal ice for a distance of 12m. The frictional force between the puck and the ice surface is negligible. How does the magnitude of the force exerted by the stick on the puck Fpuck,stick compare to the magnitude of the force exerted by the puck on the stick Fstick,puck at the time interval in which the stick is in contact with the puck?
Mathematics
2 answers:
Zanzabum3 years ago
6 0

Answer:

Fpuck, stick = Fstick, puck

Step-by-step explanation:

Because of Newton's third law.

NeTakaya3 years ago
4 0

Answer:

Fpuck,stick= Fstick,puck

Step-by-step explanation:

Force exerted by the stick on the puck is equal to the force exerted by the puck on the stick.

From Newton's third law of motion, we know that action and reaction are equal and opposite.

a force is that which tends to change a body;'s state of rest or uniform motion in a straight line. the impact by the stick on the puck produces  an acceleration . on the puck, the impact by the puck on the stick produces an acceleration on the stick although, little.

F1=F2

Notice also that the total momentum before collision is equal to the momentum after collision. The collision is elastic.

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colleen truman earns aa 4.5% commission on all sales. in june, her sales totaled $40,000. how much did she earn in commission?
prisoha [69]
She earned 1,800$ in commission. Total=40,000$ multiply by the percentage which is 4.5% = 0.045
40,000 x 0.045=1,800$
8 0
3 years ago
Read 2 more answers
I need help with this im on a test
sergey [27]

Answer: A. 2

Step-by-step explanation:

add all 5 numbers together to get 40 then add one of the answer choices to the total and divide each one by 6 until you get 7.

42/6=7

7 0
2 years ago
Jack and Jim sign up with an online music store. Jack chooses 15 downloads for $19.75, and Jim chooses 40 downloads for $43.50.
lina2011 [118]
The answer would be A. <span>The registration fee is $5.50, and the cost per download is $0.95.</span>

Solution
Let x = registration fee
y = cost/downloads

Jack
15y + x = 19.75 ; x = 19.75 - 15y
Jim
40y + x = 43.50

Thus,
40y + x = 43.50
40y + <span>19.75 - 15y = 43.50
</span>25y = 23.75
y= 0.95

for x,
<span>x = 19.75 - 15y</span>
x = 19.75 - 15( 0.95)
x= 19.75 -14.25
x = 5.5
3 0
3 years ago
Explain how to find which value is greater (5/6)*81 or (9/10)*81 without multiplying?
8_murik_8 [283]

The value (9/10)*81 is greater than (5/6)*81

<h3>How to determine the greater value?</h3>

The values are given as:

(5/6)*81 and (9/10)*81

Remove the common factor in both values

So, we have:

5/6 and 9/10

Convert to decimals

0.83 and 0.9

0.9 is greater than 0.83

Hence, (9/10)*81 is greater than (5/6)*81

Read more about expressions at:

brainly.com/question/723406

#SPJ1

8 0
2 years ago
Can someone please help me with this problem
Serjik [45]

Answer:

1. 35

2. 145

3. 55

4. 90

5. 145

Step-by-step explanation:

1. 35: angle 1 and 2 are a linear pair (meaning it is in one line and adds to 180). Since we know angle 2 is 145, ∠1 = 180 - 145

∠1 = 35

2. 145: ∠7 = ∠2 because they are alternate angles and alternate angles are equal

3. 55: ∠7 = ∠5 + ∠4 because vertically opposite angles are equal. We know that ∠5 = 90, hence ∠4 would equal 145 - 90 = 55

4. ∠5 = 90. It is given

5. 145: ∠9 = ∠2 because they are vertically opposite

4 0
3 years ago
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