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Vika [28.1K]
3 years ago
14

A camel is living in an oasis(origin), but wants to travel to a new oasis. To do this the camel travels 3,000 meters east, and t

hen 4,000 meters north. What is the
Camels total distance travelled (in meters)?
Physics
1 answer:
Alex17521 [72]3 years ago
5 0

Answer:

7,000 meters

Explanation:

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A thin uniform cylindrical turntable of radius 2.7 m and mass 22 kg rotates in a horizontal plane with an initial angular speed
Marizza181 [45]

Answer:

8.59 rad/s

Explanation:

Given that:

A thin uniform cylindrical turntable radius = 2.7 m

with a mass (M) = 22 kg

initial angular speed (ω₁) =  12 rad/s

Mass of the clump of the clay (m) = 11 kg

Diameter (d) from the point of rotation = 1.7 m

We are to find the final angular  velocity  (ω₂) ,To do that; we apply the conservation of annular momentum; which is as follows:

L₁ = L₂

l₁ω₁ = l₂ω₂

( 0.5 × M × r²) × ω₁ = (0.5 × M × r² + md²) ω₂

Making ω₂ the subject of the formula ; we have:

\omega_2 = \frac{(0.5*M*r^2)* \omega_1}{(0.5*M*r^2+md^2)}

\omega_2 = \frac{(0.5*22*2.7^2)* 12}{(0.5*22*2.7^2+11*1.7^2)}

\omega_2 = 8.58 rad/s

Hence,  the angular speed of the clay and turntable = 8.59 rad/s

5 0
3 years ago
A relief plane flying horizontally at 65.0 m/s is delivering a
SVETLANKA909090 [29]

The height of the plane delivering a food package to people stranded on an island is 722.2 m.

<h3>Time of motion of the food package</h3>

The time taken for the food package to hit the ground level is calculated as follows;

X = vt

where;

  • X is horizontal distance traveled by the food package
  • v is horizontal distance
  • t is time of motion

t = X/v

t = 789/65

t = 12.14 seconds

<h3>Height of the plane</h3>

h = ¹/₂gt²

where;

  • h is height of fall of the food package which is height of the plane
  • t is time of motion of food package
  • g is acceleration due to gravity

h = (0.5)(9.8)(12.14²)

h = 722.2 m

Thus, the height of the plane delivering a food package to people stranded on an island is 722.2 m.

Learn more about height here: brainly.com/question/1739912

#SPJ1

5 0
2 years ago
Two disks are rotating about the same axis. Disk A has a moment of inertia of 3.4 kg m^2 and an angular velocity of 7.2 rad/s. D
lakkis [162]

Answer:

I = 4.4 kg*m^2

Explanation:

  • As no external torques are present, total angular momentum must be conserved, as follows:

       L_{o} = L_{f} (1)

  • The initial angular momentum of the two disks rotating separately, can be written as follows:

       L_{o} =I_{A}  * \omega_{oA} +  I_{B}  * \omega_{oB} (2)

  • Replacing by the givens, we get:

       L_{o} = 3.4kg*m2 * 7.2rad/s + I_{B} * (-9.8 rad/s)  (3)

  • The final angular momentum Lf, as the axis of rotation remains the same, is the product of the moment of inertia of both disks rotating as one, and the common angular velocity ωf, as follows:

       L_{f} = (I_{A} + I_{B}) *\omega_{f}    (4)

  • Replacing by the givens, we get:

       L_{f} = (3.4 kg*m2 + I_{B} ) * (-2.4 rad/s)   (5)

  • From (3) and (5), we can solve for IB, as follows:
  • IB = 4.4 kg*m2
7 0
3 years ago
"They returned to the beach, where blankets spotted the slope to the water. An advancing wall of clouds, black and gray, darkeni
LiRa [457]

Answer:

Option (A)

Explanation:

Deception is a word that suggests or implies that someone is deceived, or in simple terms, there is something hidden from a person's view. This "deception" denotes the very act of hiding, concealing the truth about something.

In the above-given passage, the writer uses in such a way that the sun rays, along with the clear sky are deceiving the people from the reality of the possibility of a storm coming from the west. The east sky which is clear along with the warm sun is acting as if they are in collaboration with each other in hiding the real threat of the advancing storm.

Thus, the word "deception" is referred to in the passage to try to show that there is no storm approaching.

Thus, the correct answer is option (A).

5 0
4 years ago
A ball at rest starts rolling down a hill with a constant acceleration of 3.2 meters/second2. What is the final velocity of the
cupoosta [38]
19.2 meters/second^2 would be the correct answer.

Try multiplying 3.2 meters/second^2 by 6 and you will receive the answer provided above. If you have any further questions, let me know!
8 0
3 years ago
Read 2 more answers
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