DTM Test Fizika

Question 1

Massa 2 kg bo'lgan jism 3 m/s² tezlanish bilan harakatlanmoqda. Kuch qancha?

Accepted Answer

6 N

Answer

F = 2 × 3 = 6 N

Question 2

45 m balandlikdan tosh tashlanadi. Yerga qancha vaqtda yetadi? (g=10 m/s²)

Accepted Answer

3 s

Answer

t = √(2h/g) = √9 = 3 s

Question 3

5 kg jismga 20 N kuch, μ=0,2. Tezlanish? (g=10)

Accepted Answer

2 m/s²

Answer

Ftr = 10N, a = 10/5 = 2 m/s²

Question 4

72 km/soat — bu necha m/s?

Accepted Answer

20 m/s

Answer

72/3,6 = 20 m/s

Question 5

4 kg jism 5 m ko'tarildi. Potensial energiya? (g=10)

Accepted Answer

200 J

Answer

Ep = 4×10×5 = 200 J

DTM Test - Davlat Test Markazi Practice Test