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Lyrx [107]
3 years ago
15

PLEASE ANSWER ASAP: Find the angle that will allow the defender to tackle the ball carrier most efficiently. Also tell how far f

rom the goal line the tackle will occur.

Physics
1 answer:
tiny-mole [99]3 years ago
7 0

Answer:

A.) 51 degree

B.) 26.5 yards

Explanation:

Let assume that time is constant.

The distance between the defender and the ball carrier is 20.6 yard.

Speed = distance/time

6.2 = 20.6/t

t = 20.6/6.2

t = 3.32 s

The distance the defender can cover will be

Distance = 5.1 × 3.32 = 16.95 yards

The angle that will allow the defender to tackle the ball carrier most efficiently will be

Tan Ø = 20.6/16.95

Ø = tan^-1 (1.21568627)

Ø = 50.55

Ø = 51 degree.

The distance from the goal line the tackle will occur will be found by using pythagorean theorem

D = root( 20.6^2 + 16.69^2)

Distance = 26.5 yards

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agasfer [191]

Answer:

detecting and indicating an electric current

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3 years ago
A circular loop ( radius = 0.5 m) carries a current of 3.0 A and has unit normal vector of (2i - j +2k)/3 what is x component of
Roman55 [17]

Answer:

T=9.42Nm

Explanation:

From the question we are told that:

Radius r= 0.5 m

Current I= 3.0 A

Normal vector n=\frac{(2i - j +2k)}{3}

Magnetic field B= (2i-6j) T

Generally the equation for Area is mathematically given by

 A=\pi r^2

 A=3.1415 *0.5^2

 A=0.7853 m^2

Generally the equation for Torque is mathematically given by

 T=A(i'*B)

Where

 i'*B= \begin{bmatrix}2&-1&2\\2&-6&0\end{bmatrix}

 X\ component\ of\ i'*B= [(-1 * 0)-(2*-6)]

 X\ component\ of\ i'*B=12

Therefore

 T=0.7853*12

 T=9.42Nm

7 0
3 years ago
What is the maximum frictional force in the knee joint of a person who supports 76. 0 kg of her mass on that knee?
Bad White [126]

The maximum frictional force in the knee joint of a person who supports 76. 0 kg of her mass on that knee 119.28N.

Given,

m=76kg, μ=0.16, g=9.81 m/s^{2}

frictional force = mμg= 76*0.16*9.81= 119.28 N

<h3>Frictional force</h3>

An opposing force to the relative motion of two bodies in contact is known as frictional force. Always acting in the opposite direction from the direction of motion, frictional force is applied to a moving body. Because it resists motion, it aids in lowering the moving object's speed. The force is one of touch. Four broad categories can be made for the force of friction depending on the sort of motion that occurs between the two objects. Static friction is the force of friction between an object and the surface it is put on.

What is the maximum frictional force in the knee joint of a person who supports 76. 0 kg of her mass on that knee?

Learn more about frictional force here:

brainly.com/question/13707283

#SPJ4

4 0
1 year ago
Which statements describe a situation in which work is being done? Select three options. A mover carries a box up a flight of st
Sever21 [200]

Answer:

Explanation:

A mover carries a box across a room. A weightlifter lifts a barbell off the ground. A weightlifter holds a barbell above the head.

that what i think

7 0
2 years ago
Read 2 more answers
a car takes off from rest and covers a distance of 80m on a straight road in 10s.calculate the magnitude of its acceleration
olasank [31]

▪▪▪▪▪▪▪▪▪▪▪▪▪  {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪

Here's the solution :

Let's find the final velocity :

  • \dfrac{displacement}{time}

  • \dfrac{80}{10}

  • 8 \:  \: ms {}^{ - 1}

Initial velocity (u) = 0 (cuz it started from rest)

Final velocity (v) = 8 m/s

Time taken (t) = 10 sec

now, we know that :

  • acceleration =  \dfrac{v - u}{t}

  • \dfrac{8 - 0}{10}

  • \dfrac{8}{10}

  • 0.8 \:  \: m {s}^{ - 2}

Acceleration = 0.8 m/s²

7 0
3 years ago
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