A student conducts an experiment to determine the acceleration of a trolley He measures the velocity of the trolley. At one instant , the velocity if the trolley is 1.0 m/s. Two seconds later, the velocity is 5.0 m/s. What is the acceleration of the trolley?
1. A student conducts an experiment to determine the acceleration of a trolley He measures the velocity of the trolley. At one instant , the velocity if the trolley is 1.0 m/s. Two seconds later, the velocity is 5.0 m/s. What is the acceleration of the trolley?
Jawaban:
2,0 m/s per detik
Penjelasan:
maaf kalau salah
Jawaban:
4m/s
Penjelasan:
• Acceleration of the trolley is 4 meter / s
#I'm sorry if I'm wrong
2. what is the resultant force and the acceleration of the object?
Jawaban:
F=3+2-1=4N
[tex]a=\frac{F}{m}\\ a=\frac{4}{4} =1m/s[/tex]²
Penjelasan:
resultan gaya
R = 3 + 2 - 1
R = 5 - 1
R = 4N
percepatan
f = m.a
4 = 4.a
a = 4/4
a = 1m/s
3. what is the definition of acceleration
it means to increase in the rate or speed of something.
4. A student is investigating the pressure that a block of wood is exerting on the floor. The weight of the wood is 20 N. The block is 10 cm long, 5 cm wide, and 2 cm high. a What is the biggest pressure that the block can exert on the floor? b What is the smallest pressure that the block can exert on the floor?
Jawaban:
a. 200 Pa ( Pascal )
b. 40 Pa ( Pascal )
Penjelasan: Well, because the question asked for maximum and minimum pressure,
then we have to find the area of the largest and smallest contact area, on a wooden block there are three variations of the area of the touch area as follows:
Area Of Touch 1 :
→ A¹ = L x W = 10 x 5 = 50cm = 0,5 m
Area Of Touch 2 :
→ A² = L x h = 10 x 2 = 20cm = 0,2m
Area of touch 3 :
→ A³ = W X h = 5 x 2 = 10cm = 0,1 m
Of the three variations of the touch area above, the largest and smallest touch areas are A¹ and A²
Then the maximum pressure is:
→ Pmax = F/A³ = (w x g)/A³
Pmax = 20/0,1 = 200
Then the minimum pressure is:
→ Pmin = F/A¹ = (w x g)/A¹
Pmin = 20/0,5 = 40
I hope this helps (•‿•)
5. What is the difference beetween block and compound statement?
Jawaban:
A compound statement consists of zero or more statements enclosed in curly braces ({ }). A compound statement can be used anywhere a statement is expected. Compound statements are commonly called "blocks.
Penjelasan:
maaf kalo.salah
Jawaban:
maap ga paham :^
Penjelasan:
:v awok awokk :^
6. what are the part and function of the root system
Jawaban:
Root, in botany, that part of a vascular plant normally underground. Its primary functions are anchorage of the plant, absorption of water and dissolved minerals and conduction of these to the stem, and storage of reserve foods.
7. what is the center of our solar system
Jawaban:
Sun
Penjelasan:
Sun is the centre of our solar system
(Matahari itu pusat tatasurya)
Jawaban:
the sun
Penjelasan:
maaf kalo salah
8. what is the difference between full block style and semi block style
full block style is a letter format in which all text is justified to the lest margin, while semi block style is places the date line in alingment with, or slightly to the right of dead center.
9. what is the total momentum of the system before collision?
Jawaban:
apa momentum total sistem sebelum tabrakan?
10. what is the importance of the reproductive system to males and females
The male reproductive system functions to produce and store, and deliver sperm to fertilize an egg. Meanwhile, the female reproductive system has a function to produce eggs and provide a place for the fetus during pregnancy. These two functions complement each other in the reproduction process.
Penjelasan:
Sistem reproduksi pria berfungsi untuk memproduksi dan menyimpan, serta mengantarkan sperma untuk membuahi sel telur. Sedangkan, sistem reproduksi wanita memiliki fungsi untuk memproduksi sel telur dan menyediakan tempat untuk janin selama kehamilan. Kedua fungsi tersebut saling melengkapi dalam proses reproduksi.
saya artikan itu ke dlm bhs indo tolong di teliti klo slhsemoga membantu:)~no copy~~no Google~11. The rectangular block is 50 cm long. Two cubes, each of the volume 343 cm3 are cut from the ends of the rectangular block. what is the length of the remaining block?
Soal dapat diterjemahkan menjadi :
Balok segi empat memiliki panjang 50 cm. Dua kubus, masing-masing dengan volume 343 cm³ dipotong dari ujung balok persegi panjang, maka panjang balok yang tersisa adalah 36 cm
Diketahui :Balok
[tex]p[/tex] = 50 cm
Kubus (2 buah)
[tex]\text V[/tex] = 343 cm³
Ditanyakan :Panjang balok yang tersisa
Jawab :Satu buah kubus memiliki volume 343 cm³, maka volume kubus :
[tex]\text V_\text {kubus}[/tex] = s³
⇔ [tex]343[/tex] = s³
⇔ s = [tex]\sqrt[3]{343}[/tex]
⇔ s = [tex]7[/tex] cm
Panjang rusuk kubusnya adalah 7 cm
Banyak kubus adalah 2 buah, maka panjang balok yang tersisa adalah :
= panjang balok - panjang rusuk kubus 1 - panjang rusuk kubus 2
= 50 - 7 - 7
= 36 cm
∴ Jadi panjang balok yang tersisa adalah 36 cm
12. what is the government system of vietnam
government system of Vietnam is monopoly
Marxist-Leninist one-party socialist republic
Republik Sosialis partai tunggal marxist-leninist
13. 1. A block is 25 cm long, 45 cm wide and 10 cm high. then the surface area and the volume of the block are. A block is 25 cm long, 45 cm wide and 10 cm high. then the surface area and the volume of the block areA block is 25 cm long, 45 cm wide and 10 cm high. then the surface area and the volume of the block are
Jawaban:
surface area of the block :
Area = 2 (p×l + p×t + l×t)
= 2 (25×45 + 25×10 + 45×10)
= 2 (1125 + 250 + 450)
= 2 × 1825
= 3650 cm^2
volume of the block :
V = p × l × t
= 25 × 45 × 10
= 11250 cm^3
14. 1. For each of the following problems, give the net force on the block, and the acceleration, including units. 2. The distance is measured from the point where the force is acting to the ….. bantu ya kakk plisssss
Jawaban:
maaf kurang ngerti karna cuman ambil coin
15. the weigh of a man on the moon is 95N . Given the gravitational acceleration of the man on the Earth and the Moon are 10m/s² and 1.6m/s² respectively, what is his weight on the Earth ?
W = m g
65 = m . 1.6
m= 40.62
untuk menghitung berat di bumu masukan ke gravity yg bumu
W = 40.62 x 10
W= 406.2 NTranslate into indonesian
Berat manusia dibulan adalah 95 N. Mengingat percepatan gravitasi dari manusia di bumi dan bulan secara berurutan adalah 10 m/s² dan 1,6 m/s². Berapa berat badan manusia di bumi...?
Is know
Wbn = 95 N
gbn = 1,6 m/s²
gbi = 10 m/s²
Asked
Wbumi..?
Answer
Wbn/Wbi = mgbn/mgbi
95/x = 1,6/10
1,6x = 950
x = 950/1.6
x = 593,75 N
16. A rectangular block is 24 cm long. A cube with a volume of 216 cm3 is cut from the block. What is the volume of the remaining block?
V.cube = s³
s = √V.cube
s = √216
s = 6cm
[tex] \: \: [/tex]
V = V.rectangular - V.cube
V = (p × s²) - 216
V = (24 × 6²) - 216
V = 864 - 216
V = 648cm³
Jawaban:
648 cm³
penjelasan ada di foto yaa, maaf kalo kurang jelas
kalo ada yang salah bantu dikoreksi :))
17. calculate the magnitude of thrust force exerted by each rocket for the four rocket propulsion system shown in the figure the system initial acceleration is 49.65 m/s2 the mass of the system is 2000 kg and the force of friction opposing the motion is 700 N
Jawaban:
Coba kalau ga salah ya ini ahaha,
kan disitu dikasih tau,
" ... the acceleration is 49.65m/s² ... "
berarti nanti percepatan untuk gaya normalnya udah ga pake percepatan gravitasi lagi,
N = m . a = 2000 . 49.65 = 99300N
Nah disitu ada gaya gesek udara,
berarti,
∑Fy = m . a
F - fg = m . a
F = gaya dorong roket ( N )
fg = gaya gesek udara ( N )
F = m . a + fg = 99300 + 700 = 100000N = 100kN
Koreksi ya kalo gua ada salah.
18. what is the unit of work in the metric system
Jawaban:
Dalam sistem metrik unit, di mana gaya diukur dalam newton (disingkat N), usaha diukur dalam newton-meter (N-m).
Penjelasan:
Maaf Kalau salah
19. A planet has a mass of 7 times of the earth's mass and its radius is 3 Times of the radius of the earth's if the acceleration of gravity of the earth's surface is g; the acceleration of gravity of the planet is
diket: Mx = 7 Mb
Rx = 3 Rb
gb = g
ditanya: gx ...?
jawab: gx
gx/gb = Mx . Rb²/Mb . Rx²
gx/g = 7 Mb . Rb²/Mb . (3 Rb)²
gx/g = 7 Mb . Rb²/Mb . 9 Rb²
gx = 7/9 g
20. The volume of the block is 1,920cm3 what is the surafce area of the block
Sorry if wrong bro .
0 Komentar