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beks73 [17]
3 years ago
6

Cynthia pushes a ball with a horizontal speed of 6.50 m/s off a bench with a height of

Physics
1 answer:
Igoryamba3 years ago
7 0
The answer is a because if you look really close
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Two forces F1 and F2 act on an object at a point P in the indicated directions. The magnitude of F1 is 15 lb and the magnitude o
adoni [48]

Answer

given,

F₁ = 15 lb

F₂ = 8 lb

θ₁ = 45°

θ₂ = 25°

Assuming the question's diagram is attached below.

now,

computing the horizontal component of the forces.

F_h = F₁ cos θ₁ - F₂ cos θ₂

F_h = 15 cos 45° - 8 cos 25°

F_h = 3.36 lb

now, vertical component of the forces

F_v = F₁ sin θ₁ + F₂ sin θ₂

F_v = 15 sin 45° + 8 sin 25°

F_v = 13.98 lb

resultant force would be equal to

F = \sqrt{F_h^2+F_v^2}

F = \sqrt{3.36^2+13.98^2}

F = 14.38 lb

the magnitude of resultant force is equal to 14.38 lb

direction of forces

\theta =tan^{-1}(\dfrac{F_v}{F_h})

\theta =tan^{-1}(\dfrac{13.98}{3.36})

   θ = 76.48°

3 0
3 years ago
(e)<br> Give an example of a process when electrons behave as:<br><br> A.particles.<br> B.a wave.
borishaifa [10]

Answer:

particles

Explanation:

6 0
3 years ago
28. Calculate the weight of a 1,789 kg car on the Earth.​
skad [1K]

Answer:

From the equation ΣF = ma, one can say that the mass is 1800 kg, and the acceleration of gravity is -9.8 meters. Multiply those together and it is -17640 newtons.

Explanation:

plz send a brainleast

3 0
3 years ago
Một thiết bị phát âm có công suất P di chuyển dọc theo trục Ox,môtn thiết bịt hu thnah đặt tren trục Oy
damaskus [11]

Answer:

i dont understand

Explanation:

is this another language?

6 0
2 years ago
When light waves passes straight through an object, it is called?
amm1812
<h3><u>Answer;</u></h3>

Transmission

<h3><u>Explanation;</u></h3>
  • <em><u>Light waves are types of waves that are electromagnetic waves, meaning they do not require material medium for transmission. </u></em>Light is transmitted as a transverse wave such that the vibration of particles is perpendicular to the direction of wave motion.
  • <em><u>A material medium enables the transmission of a wave by the vibration of particles, atoms or molecules. </u></em>The vibration of particles in a medium helps in the transmission of a wave such that energy is transferred from one point to another due to the disturbance caused by the wave.
4 0
3 years ago
Read 2 more answers
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