Füüsika praktika (0)

Overview

Kaldpinna kasutegur
Elektrimootor
Vabalangemine
vedru jäikus
metalli erisoojus

Sheet 1: Kaldpinna kasutegur

Jrk. nr. P(N) h (mm) 1(mm) F (N) h 1 350 230 458 3.5 50.2183406114 2 350 200 380 3.50 54.9 3 350 260 560 3.5 25.5 4 350 460 950 3.5 48.4210526316 5 350 320 650 3.5 49.2307692308
Keskmine 45.6540324947

Sheet 2: Elektrimootor

Katse nr. F₁ (N) F₂(N) F (N) t (s) f (p/s) N (W) 1 0 1 1 10.15 9.852217 13.74 2 0 2 2 15.19 6.583 18.365 3 0.5 2.5 2 16.5 6.06 16.907 4 1 3.5 2.5 25.41 3.9354 13.7236 5 1 4 3 42.69 2.342 9.8022 6 1.5 4.5 3 88.65 1.128 4.7
d- 4,44 cm

Sheet 3: Vabalangemine

Katse nr. t (s) N l (m) g (m/s²)
1 27.38 25 0.21 6.911815888
2 25 25 0.27 10.6591727532
3 35 20 0.49 6.3165468167
4 24 20 0.42 11.5145384679
5 32 20 0.64 9.8696044011
6 30 20 0.59 10.352118394
7 28 20 0.54 10.876706891
8 27 20 0.47 10.1809910969
9 26 20 0.43 10.0448044792
10 22 20 0.25 8.1566978521
20-50

Sheet 4: vedru jäikus

Katse nr. Riputatud koormiste mass F l k 1 0 0 10 0 2 101.1 990.78 10.2 97.1352941176 3 99.6 976.08 10.1 96.6415841584 4 99.3 973.14 10.3 94.4796116505 5 101.3 992.74 10.2 97.3274509804 6 99.6 976.08 10.1 96.6415841584 7 200.7 1966.86 11.9 165.2823529412 8 300.3 2942.94 14.5 202.9613793103 9 401.6 3935.68 17 231.5105882353 10 501.2 4911.76 19.5 251.8851282051
Keskmine 133.3864973757

Sheet 5: metalli erisoojus

anuma mass ilma veeta -32g
32.7
veega
163.2
vee mass
128.4 külmavee temp
27
keha mass
165
sooja vee temp
32.8
segaja mass
3.7
6
mcal
36.4
1) metalli erisoojus
c=4200J/kg*C * 128,4* (32-27)+0,214 J/kgC* 36,4*(32,8-27)/ 164* (100-27)= 3235680+46,7376 / 11973=270,27
messing