题目The arrival of the mass-produced car, just over a century ago, caused a(n) 【C1】___of business creation. First came the makers of cars and all the parts that go into them. Then came the garages, filling stations and all sorts of other car-dependent【C2】...
When the mass of a car is increased and the force remains the same, the acceleration will ___. A. increase B. remain the same C. decrease D. become zero 相关知识点: 试题来源: 解析 C。解析:根据牛顿第二定律 F = ma,当力不变时,质量增加,加速度会减小。
A.the decpne of Ford company B.the defect of the giant factory C.the importance of making right decisions D.the consequences of harsh discippne 免费查看参考答案及解析 题目: [选择题] 11 When it was built in 1721 beside the River Derwent,in Britain's East Midlands,Lombe's silk ...
squirrel climbed down to the ground to pick another pecan. Once again, he took the pecan back to his secret hiding place inside the hollow(洞) of the tree. Not so secret anymore,I thought. I ran over to the tree and found the hollow was filled with sweet pecans. They were right ther...
your daughter rather than me. My mom e4that though Penelope was a lovely girl, no one could replace me in the family. She said I was the only person who could fill my role. She made me r5that even if I made mistakes, I was a beloved member of the family who could n6be replaced...
Henry Ford will long be remembered as the inventor who brought a transformational product to the masses. The Ford Motor Company’s assembly line strategy was a breakthrough in manufacturing, creating new vehicles in hours instead of days and fueling new avenues in consumer desire. Greater throughpu...
解析 [答案] D [解析] 细节理解题。根据第四段中的“a gunman raining down bullets from high above in the tower of the Mandalay Bay Resort and Casino across the street”可知,一名枪手在高塔上朝下扫射。据此可知,枪手是在一个高的建筑物上,故D项正确。
to find out how fast the car moves after it has accelerated.a Calculate the impulse that makes the car accelerate.b Calculate the momentum of the car before it accelerates.c Calculate the momentum of the car after it has accelerated.d Calculate the speed of the car after it has accelerated...
The first car has twice the mass of a second car, but only half as much kinetic energy. When both cars increase their speed by 6.0 m/s , they then have the same kinetic energy.
I was on my way to the Taiyetos Mountains. The sun was setting when my car broke down near a remote and poor village. Cursing my misfortune, I【1】 (wonder) where I was going to spend the night when I realized that the villagers who had gathered around me were arguing as to【2】 ...