1.单选题- (共1题)

A.F1﹥F2 |
B.F1﹤F2 |
C.F1=F2﹤G |
D.F1=F2﹥G |
2.选择题- (共5题)
{#blank#}1{#/blank#} {#blank#}2{#/blank#}has the meeting lasted?
A shark(鲨鱼)sees a monkey. It says, “Hello, my friend, would you please come to my house? My mother and the others of my family want to see you.”
“That's very good.” the monkey says, “But I can't swim.”
“Oh, sit on my back. I'll take you there.” On the way, the shark says, “I must tell you my mother is ill, she wants to eat your heart.”
“But I'm sorry, I don't bring it with me. I put it in the tree. Take me back and get it.” says the monkey.
“Let's go back.” shark says.
When they return, the monkey climbs up the tree and leaves the shark waiting for him in the water.
He doesn't know which book{#blank#}1{#/blank#} {#blank#}2{#/blank#}.
3.多选题- (共3题)

A.Eka>Ekb | B.Eka=Ekb | C.Ta>Tb | D.Ta=Tb |

A. A的周期大于B的周期
B. A的加速度大于B的加速度
C. A的运行速度大于B的运行速度
D. A、B的运行速度小于第一宇宙速度

A.

B.

C. 原线圈中交流电的频率是50Hz
D. 通过R的电流的频率为2.5Hz
4.解答题- (共2题)

(1)求B与传送带之间的动摩擦因数μ;
(2)求E点离传送装置右端的水平距离L;
(3)若A、B发生的是弹性碰撞且B的质量是A的2倍,要使B始终落在E点,试判断A静止释放点离PN的高度h的取值范围.

(1)a匀速转动的方向;
(2)P、Q间电场强度E的大小;
(3)小球通过N点时对细线拉力FT的大小.
5.实验题- (共1题)
-
【1】题量占比
单选题:(1道)
选择题:(5道)
多选题:(3道)
解答题:(2道)
实验题:(1道)
-
【2】:难度分析
1星难题:0
2星难题:0
3星难题:0
4星难题:0
5星难题:0
6星难题:7
7星难题:0
8星难题:0
9星难题:0