Which of the following would produce the most power? A. A mass of 2 kilograms lifted 10 meters in 10 seconds B. A mass of 5 kilograms lifted 5 meters in 10 seconds C. A mass of 1 kilograms lifted 10 meters in 5 seconds D. A mass of 2 kilograms lifted 10 meters in 5 seconds
1. Which of the following would produce the most power? A. A mass of 2 kilograms lifted 10 meters in 10 seconds B. A mass of 5 kilograms lifted 5 meters in 10 seconds C. A mass of 1 kilograms lifted 10 meters in 5 seconds D. A mass of 2 kilograms lifted 10 meters in 5 seconds
Jawaban:
b.a mass of 5 kilograms lifted 5 meters in 10 seconds
Penjelasan:
maaf kalo salah
Answer:
D
Explanation:
Formula for power: P = W/Δt
Formula for work: W = N.s = m.a.s
Formula for force: F = m.a
Formula for acceleration: a = [tex]\frac{vt-v0}{t}[/tex]
vt = final velocity
v0 = starting velocity
t = time
(edit)
since the questions state how high the item travels in a set period of time, here's how to calculate the speed and acceleration!
for example:
I'll use block A.
Block A traveled 10 meters in 10 seconds, so the speed would be 10 meters divided by 10 seconds, which equates to 1 m/s.
The acceleration would be 1 m/s, which is the final velocity, minus 0, which is the starting velocity, divided by 10 seconds, which is the amount of time required to travel the set distance. So, following the formula, the equation would be a = [tex]\frac{1 - 0}{10 s}[/tex], which equals [tex]\frac{1}{10}[/tex]m/s², or 0.1 m/s².
Using those numbers, we can calculate the amount of force produced, which is F = m.a. Plugging the numbers in, it would be F = 2 kg. 0.1 m/s², which equals 0.2 N.
From here, we just need to calculate the work using W = m.a.s, which calculates to W = 0,2N . 10 m= 2 J, and calculate the amount of power it would generate using P = W/Δt, which calculates to P = 2 J / 10 s, which is the amount of time required to travel the set distance. After all that, we get the equation P = 2 J / 10 s, which equals to 0.2 Watts.
A: Power = F.s/Δt = (2 kg . 1 m²/s²) / 10 s = 0.2 W
B: Power = F.s/Δt = (5 kg . 0.5 m²/s²) / 10 s = 0.25 W
C: Power = F.s/Δt = (1 kg . 2 m²/s²) / 5 s = 0.4 W
D: Power = F.s/Δt = (2 kg . 2 m²/s²) / 5s = 0.8 W
Hence, D would produce the most power.
I'm sorry for the lots of edits. I just felt like there's some explaining to do there!
2. A sprinter runs 100 meters in 12.5 seconds. Calculatir the speed in m/s. ( pakai cara juga ya )
Jawaban:
8 m/s
Penjelasan:
Distance:100
Time:12.5 seconds
Speed : distance÷time
Speed=100÷1.25
Speed=40/5
=8 m/s
Semoga membantu
3. 22. If Ziva throws the ball 50 meters in 3 seconds, what is the average speed of the football?
Jawaban:
22. Jika Ziva melempar bola sejauh 50 meter dalam waktu 3 detik, berapakah kelajuan rata-rata bola tersebut?
Ini kalo diartikan ke dalam bahasa Indonesia
Dan ini kalo untuk jawabannya
16
Caranya:
50 meter ÷ 3 detik
= 16
SEMOGAMEMBANTU
SEMANGATT....
ANSWERBYFAIZAJawaban:
50 meter ÷ 3 detik = 16,67 m/s
Penjelasan dengan langkah-langkah:
Semoga Bermanfaat:)4. 8. When Tom was 16, he was a fast runner. He ...run 200 meters in 22 seconds.A. canB. couldC. can'tD. couldn'tyang benar itu Can atau Could? tolong penjelasan nya yaaa
Jawaban:
B. could
Penjelasan:
Karena to be nya adalah was dan was digunakan pada masa lampau, maka jawabannya adalah could.
5. What is the total length of the digestive tract (alimentary canal) in a normal human adult? A. 4-5 meters B. 8-10 meters C. 12-15 meters
a. 4-5 meters
maaf kalo salah
A. 8-10meters
Penjelasan:
maaf klo salah
6. Aje walks 3 kilo meters in 1 week. how many kilo meters aje walks in 1 month?
Jawaban:
3 kilometers in 1 week.
3 kilometers x 4 weeks = 12 kilometers.
So, the answer is 12 kilometers in 1 month.
Penjelasan:
Aji berjalan sejauh 3 km selama satu minggu. Satu bulan terdiri dari 4 minggu. 3 km x 4 minggu = 12 km selama satu bulan.
i hope it helps you!
7. Brian's room is cuboid in shape with 4 meters in length and 3 meters in width. If it has 3.2 meters in height, what is the volume of Brian's room? The volume of Brian's room is ... .
Jawaban:
diketahui
p(panjang) = 4
l(lebar) = 3
h(ketinggian) = 3,2
volume = panjang × lebar × tinggi
= 4 × 3 × 3,2
= 38,4 meters
semoga membantu
8. Four copy machines make 240 total copies in three minutes. How long will it take five copy machines to make the same number of copies?A. 2 minutesB. 2 minutes, 15 secondsC. 2 minutes, 24 secondsD. 2 minutes, 45 secondsE. 3 minutes, 36 seconds
Jawaban:
C. 2 menit, 24 detik
Penjelasan:
[tex]p_1 = p_2 \\ \frac{n_1 \times t_1}{w_1} = \frac{n_2 \times t_2}{w_2} \\ \frac{4 \times 3}{240} = \frac{5t_2}{240} \\ 12 = 5t_2 \\ t_2 = \frac{12}{5} = 2 \frac{2}{5} \: menit \\ t_2 = 2 \: menit \: (\frac{2}{5} \times 60) \: detik \\ t_2 = 2 \: menit \: 24 \: detik[/tex]
9. there are.... seconds in one minute
Jawaban:
60 sec in one minute
Penjelasan:
semoga membantu :))
Jawaban:
there are sixty second in one minute
10. 16. Rp 50.000 For 5 hours of Work17. 32 eggs every 16 days18. 168 boys in 8 gruops19. 200 Pages in 5 days20. 625 meters in 25 seconds21. 800 words per 4 minutes22. 180 ML OF rain in 3 hours23.180 seats in 9 rows24.147 kilometers in 7 hours tolong jawabannya nih, bingung cara jawabnya
Jawaban:
bvjkdhhjjj67567666776431098u
11. there are................. seconds in one minute .[besok dikumpul]
Jawaban:
60 atau sixty
Penjelasan:
..............
Jawaban:
sixty 60
.mm...mm....m
12. in 5 seconds ,a pendulum produces 100 vibrations.the vibration frequency and period are=
Semoga membantu, ya!
Tolong dikoreksi lagi, siapa tau ada kesalahan
13. Ando finished his 100m Run in 1 minute and 10 secondsMuhdi finished his 100m Run in 1 minute and 15 secondsAnto finished his room run in 1 minute and 20 seconds buatlah perbandingan
Jawaban:
jawaban di penjelasan yaa
Penjelasan:
10 : 15 : 20 = 2 : 3 : 5
Jawaban:
Ando 70 seconds
Muhdi 75 seconds
Anto 80 seconds
70:75:80
14:15:18
semoga bermanfaat:")
14. 100 meters-can-for-usain bolt-run-9.58 secondssambung kan lah dengan bahasa Inggris tolong jawab cepat
Jawaban:
Usain Bolt can run for 100 meters in 9.58 seconds
semoga membantu
maaf kalo salah
Jawaban:
usain bolt can run for 100 meters in 9.58 second
15. lily runs 200 m in 32 seconds. kelly runs 150 m in 25 seconds Who is fasterPls jawab dengan benar yah thx.
Jawaban:
Lily
maaf kalau salah yaa
16. whyare there 60 to secondsin 1 minute
The Division of the hour into 60 minutes and of the minute into 60 seconds comes from the Babylonians who used a s.xpagesimal (counting in 60s) system for mathematics and astronomy. They derived their number system from the Sumerians who were using it as early as 3500 BC.
17. how many seconds are there in 1.00 year
Jawaban:
31536000 seconds
Penjelasan:
Sorry If Wrong
Jawaban:
Berapa banyak detik yang ada di 1.000 tahun .
Penjelasan:
maaf kalo salah
18. What is the total length of the digestive tract (alimentary canal) in a normal human adult? A. 4 - 5 meters B. 8 - 10 meters C. 12 - 15 meters
Jawaban:
B. 8 - 10 meters
Penjelasan:
The alimentary canal is the long tube of organs — including the esophagus, stomach, and intestines — that runs from the mouth to the anus. An adult's digestive tract is about 30 feet (about 9 meters) long.
hopefully useful and sorry if wrong
19. Find the unit rate16. Reso.000 Fors hours of wor117.32 eggs every 16 days118 168 boys in 8 gruops19. 200 pages in 5 days20.625 meters in 25 seconds21.800 words per a minutes122, 18 om of rain in 3 hours23. 180 seats in rows -124.197 kilometers in 7 hours tolong jawab please
Jawab:
0
Penjelasan dengan langkah-langkah:
karena ada wor jadi 0 kenapa?
Find the unit rate
16. Reso.000 Fors hours of "wor "
117.32 eggs every 16 days
118 168 boys in 8 gruops
19. 200 pages in 5 days
20.625 meters in 25 seconds
21.800 words per a minutes
122, 18 om of rain in 3 hours
23. 180 seats in rows -
124.197 kilometers in 7 hours
tolong jawab please
nah disini itu ada wor nya yang udh ku kasih tanda petik
wor udh jelas jelas 0
wor = 0
jadi itu soalnya yang perkalian kan, nah itu sama aja 0
20. A penalty in Meteor-Mania is -5 seconds. A penalty in Cosmic Calamity is -7 seconds. Yolanda had penalties totaling -25 seconds in a game of Meteor-Mania and - 35 seconds in a game of Cosmic Calamity. In which game did Yolanda receive more penalties? Justify your answer. Tolong di jawab ya
Jawab:.-72
Penjelasan dengan langkah-langkah:
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