Answer:
Since cell division occurs twice during meiosis, one starting cell can produce four gametes (eggs or sperm). In each round of division, cells go through four stages: prophase, metaphase, anaphase, and telophase.
Answer:
interstellar gas clouds may collapse to from a star if they [ecounter a shock wave.]
Answer:
The boat will move in the direction of the force exerted.
Explanation:
To describe the motion of the boat, we shall first obtain the net force acting on the boat. This can be obtained as illustrated below:
From the question given above, the following data were obtained:
Force exerted (Fₑ) = 300 N
Resistive force (Fᵣ) = 250 N
Net force (Fₙ) =?
Fₙ = Fₑ – Fᵣ
Fₙ = 300 – 250
Fₙ = 50 N
Thus, the net force acting on the boat is 50 N in the direction of the force exerted.
Since the net force is in the direction of the force exerted, the boat will move in the direction of the force exerted..!
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Answer:
Explanation:
- distance travelled by the sound,
- speed of sound in air,
- difference of time time between the two pulses of sound,
<em>Now, we find the time taken by the sound in air to travel the given distance:</em>
∴<u>Time taken by the sound sound waves in the metal bar to travel the given distance:</u>
<u>The speed of sound in the metallic bar:</u>