如图所示,在μ=0.1的水平面上向右运动的物体,质量为m=20kg.在运动的过程

题型:填空题

问题:

如图所示,在μ=0.1的水平面上向右运动的物体,质量为m=20kg.在运动的过程中,还受一个水平向左的大小为10N的拉力的作用,则物体受到的滑动摩擦力大小为______N,方向是______.(g=10m/s2

考点:滑动摩擦力、动摩擦因数
题型:填空题

A 54-year-old female was found unconscious on the floor of her bathroom with self- inflicted wrist lacerations. An ambulance was called and the client was taken to the emergency department. When she was stable, the client was transferred to the inpatient psychiatric unit for observation and treatment with antidepressants. Now that the client is feeling better, which nursing intervention is most appropriate

A. Observing for extrapyramidal symptoms.
B. Beginning a therapeutic relationship.
C. Canceling any no-suicide contracts.
D. Continuing suicide precautions.

题型:填空题

下列醇中,不能发生催化氧化反应的是

A.CH3CH(OH)CH3

B.CH3OH

C.

D.

题型:填空题

与遗传因素相关的疾病有()

A.哮喘

B.肺炎喘嗽

C.癫痫

D.疳证

E.夏季热

题型:填空题

古希腊原子论的代表人物是()

A、柏拉图

B、亚里士多德

C、德谟克利特

D、苏格拉底

题型:填空题

无符号二进制整数00110011转换成十进制整数是______。

A.48

B.49

C.51

D.53

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