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svp [43]
3 years ago
12

Lacie kicks a football from ground level at a velocity of 13.9 m/s and at an angle of 25.0° to the ground. How long will the bal

l be in the air before it lands? Round your answer to the nearest tenth
Physics
2 answers:
Trava [24]3 years ago
6 0
T= 1.2 seconds
Other questions have been asked about this
avanturin [10]3 years ago
4 0

Answer:

1.2 seconds and the football will travel 15.1 meters

Explanation:

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Three resistors, of 100, 200, and 300 ohms are connected in parallel. What is their equivalent resistance?
garri49 [273]

Answer:

Equivalent resistanfe in parallel (R):

1/R = 1/100 + 1/200 + 1/300

1/R = (6 + 3 + 2)/600

1/R = 11/600

R = 600/11 = 54.55 ohms

3 0
3 years ago
Read 2 more answers
The Achilles tendon is a fibrous tissue that connects your soleus to your calcaneus and can withstand 145 MPa of tensile stress.
Mnenie [13.5K]

Answer:

 F = 1.2 10⁵ N

Explanation:

Force is defined by

          P = F / A

          F = P A

The area is

          A = π r²

the radius is half the diameter

          r = d / 2

          A = π d²/4

         

we substitute

          F = P π d²/4

let's calculate

          F = 145 10⁶  π (3.25 10⁻²)²/4

          F = 1.2 10⁵ N

5 0
3 years ago
An object, located 80.0 cm from a concave lens, forms an image 39.6 cm from the lens on the same side as the object. What is the
kramer

Answer:

-78.4 cm

Explanation:

We can solve the problem by using the lens equation:

\frac{1}{f}=\frac{1}{p}+\frac{1}{q}

where

p is the distance of the object from the lens

q is the distance of the image from the lens

f is the focal length

Here we have

p = 80.0 cm

q = -39.6 cm (negative, because the image is on the same side as the object , so it is a virtual image)

Substituting, we find f:

\frac{1}{f}=\frac{1}{80.0 cm}+\frac{1}{-39.6 cm}=-0.0128 cm^{-1}

f=\frac{1}{0.0128 cm^{-1}}=-78.4 cm

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4 years ago
What information does a line graph show
ikadub [295]
Line graphs tend to show a change in data over time.
7 0
3 years ago
True or false according to newtons 1st law an unbalanced force can change the motion of an object
lisov135 [29]
I think this is true
6 0
3 years ago
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