大学物理实验计算题
- 1、下载文档前请自行甄别文档内容的完整性,平台不提供额外的编辑、内容补充、找答案等附加服务。
- 2、"仅部分预览"的文档,不可在线预览部分如存在完整性等问题,可反馈申请退款(可完整预览的文档不适用该条件!)。
- 3、如文档侵犯您的权益,请联系客服反馈,我们会尽快为您处理(人工客服工作时间:9:00-18:30)。
大学物理实验计算题 -CAL-FENGHAI-(2020YEAR-YICAI)_JINGBIAN
1.用50分度游标卡尺测量铜环的内径K=6次,测量数据如下,d i =(19.98),(19.96),(19.98),(20.00),(19.94),(19.96),单位毫米,计算测量结果,并用不确定度表示测量结果。
()
%
2.097.19/0
3.003.097.1903.002.002.002.0102.0197.192
22
6
1
==±==+===⨯==
=--=
=∑=E mm d mm
U U U mm
U mm
n t
U mm
n d
d
mm
d B A d B d A i
i d σσ解:
2.用流体静力称衡法测固体密度的公式为:ρ=[m/(m-m1)] ρ0,若测得m=(29.05±0.09)g ,m 1=(19.07±0.03)g, ρ0=(0.9998±0.0002)g/cm 3,求:ρ±U ρ
3
3
13
2
0212122
1122211202
02
12
122
/02.091.2/91.2/02.0)())
(())((
cm g cm g m m m cm g U m m m U m m m U m m m U U U U p m m m m m m ±==⎥⎦
⎤
⎢⎣⎡-==-+--+--=⎪⎪⎭
⎫
⎝⎛∂∂+⎪
⎪⎭⎫
⎝⎛∂∂+⎪⎪⎭⎫ ⎝⎛∂∂=ρρρρρρ
ρρρ解:
3.用有效数字运算规则计算下列各式:
⑴.1.02000.10.5000.400.2⨯+⨯+⨯
⑵.201080.63-⨯ ⑶.
()00
.2989.52.2480.2⨯-
解:(1)601.02000.10.5000.400.2=⨯+⨯+⨯
(2)331078.6201080.6⨯=-⨯ (3)()9.600
.2989.52.2480.2=⨯-
4.(1)=-+12.93.20475.8 (2)=⨯-⨯23102.41025.5 (3)
=⨯+30
.26
.4)2.1036.9(
(4)=⨯200.10π
解:(1)6.1912.93.20475.8=-+ (2)3231083.4102.41025.5⨯=⨯-⨯ (3)
3930
.26
.4)2.1036.9(=⨯+
(4) 2.31400.102=⨯π 5.(1)=-+753.951.236457.68
(2)=⨯⨯0.30000.200
.40360.9
(3)=⨯200.6041
π
(4)
=-⨯--⨯)
140.31400.23()0.10831103()
450.945.18(00.80
解(1)21.295753.951.236457.68=-+
(2)24.60.30000.200
.40360.9=⨯⨯
(3)282700.6041
2=⨯π
(4)
8.1)
140.31400.23()0.10831103()
450.945.18(00.80=-⨯--⨯
6.(1)
=+⨯-+⨯0.11000
.10)00.7700.78()
412.46.5(0.100
(2)=-+137.032.5347.72 (3)=÷⨯2005.3793.8 (4)=⨯-⨯12107.1107.8
解:(1)
3101.10.11000
.10)00.7700.78()
412.46.5(0.100⨯=+⨯-+⨯
(2)53.77137.032.5347.72=-+ (3) 15.02005.3793.8=÷⨯ (4) 212105.8107.1107.8⨯=⨯-⨯ 7.(1)=+÷3.5109.76
(2)
=-2
2
200.3)00.400.5(
(3)=⨯-989.5)2.2480.2(
(4)=⨯-⨯+⨯1.02000.10.50000.400.2 解:(1)0.133.5109.76=+÷
(2)
0.100.3)00.400.5(2
22=-
(3)14989.5)2.2480.2(=⨯-
(4)561.02000.10.50000.400.2=⨯-⨯+⨯ 8.(1)=-⨯201080.63 (2)=-+28.520234.7 (3)=-++01.0701.2347.172 (4)=÷⨯100.2231.5
解:(1)331078.6201080.6⨯=-⨯ (2)2228.520234.7=-+
(3)24401.0701.2347.172=-++ (4)0.1100.2231.5=÷⨯ 9.(1)=⨯-⨯33109.0109.7 (2)
]
20[3.22079.6是常数=+÷
(3)=÷⨯519.623.328 (4)=⨯-⨯1007.42.17.503 解:(1)333100.7109.0109.7⨯=⨯-⨯ (2)
]
20[6.23.22079.6是常数=+÷
(3)14519.623.328=÷⨯
(4)2103.11007.42.17.503⨯=⨯-⨯
10.(1))
10(104
.237为常数=
(2)=+-3.7046.2785.32
(3)=÷⨯1005.232.50 (4)=÷+⨯23.172.41.174.38
解:(1))
10(74
.23104
.237为常数=
(2)6.1003.7046.2785.32=+- (3)3.11005.232.50=÷⨯ (4)4723.172.41.174.38=÷+⨯
11.(1))
50(5047
.832为常数=
(2)=-+24.53121146.28 (3)=÷⨯53076.14 (4)=⨯+÷405.10.326.16