Sebuah benda dilemparkan ke bawah tanpa kecepatan awal dari ketinggiannya 90 m. Jika percepatan gravitasi 10 m/s², Ketinggian benda diukur dari tanah pada detik kedua adalah

Red blood cells are very small which allows them to pass through narrow capillaries, they have a biconcave shape which increases surface area allowing oxygen to be diffused more effectively, they contain haemoglobin which binds with the oxygen, and they do not contain a nucleus which leaves more space inside to hold more haemoglobin. Nerve cells are very long to enable them to deliver messages long distances, they have synapses at the end of each cell to make sure the message can go in only one direction, and they have a myelin sheath which increases the thickness of the cell and makes the electrical impulse "jump" thus increasing the speed the messages are sent at. Hope this helps :-)

Answered by charlotte2 | 2024-06-10

Neurons and red blood cells are examples of eukaryotic cells where structure supports function. Neurons are designed for efficient signal transmission while red blood cells are structured for optimal oxygen diffusion and transport. ;

Answered by AliciaVikander | 2024-06-18

Neurons and skin cells are examples of specialized eukaryotic cells whose structures are intricately linked to their functions. Neurons are designed for efficient signal transmission, featuring dendrites, axons, and sometimes myelin sheaths. In contrast, skin cells are flat and produce keratin, forming a protective barrier while being regularly replaced.
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Answered by AliciaVikander | 2024-10-01

Penyelesaian[tex]h_0 = 90 ~m[/tex][tex]g = 10~ m/s^2[/tex][tex]t = 2 ~s[/tex][tex]s = v_0 t + \frac{1}{2} g t^2[/tex][tex]= \frac{1}{2} g t^2[/tex][tex]= \frac{1}{2} \times 10 \times (2)^2[/tex][tex]= 5 \times 4[/tex][tex]= 20~ \text{m}[/tex][tex]h = h_0 - s[/tex][tex]= 90- 20[/tex][tex]= 70~\text{m}[/tex]ketinggian benda = 70 m

Answered by vinganzbeut | 2025-07-22

Diketahui:- Ketinggian awal (y0) = 90 m- Kecepatan awal (v0) = 0 m/s (karena benda dilemparkan tanpa kecepatan awal)- Percepatan gravitasi (g) = 10 m/s²- Waktu (t) = 2 detikRumus yang digunakan:y(t) = y0 + v0 * t + (1/2) * g * t²Langkah-langkah perhitungan:1. Substitusi nilai-nilai yang diketahui ke dalam rumus:   y(2) = 90 + 0 * 2 + (1/2) * 10 * (2)²2. Menghitung:   y(2) = 90 + 0 + 0.5 * 10 * 4 = 90 + 20 = 110 meterJadi, ketinggian benda pada detik kedua diukur dari tanah adalah 110 meter.

Answered by pupusdwisuryoanggono | 2025-07-22