冲量等于动量的变化量The impulse is equal to the change in momentumA.正确B.错误的答案是什么.用刷刷题APP,拍照搜索答疑.刷刷题(shuashuati.com)是专业的大学职业搜题找答案,刷题练习的工具.一键将文档转化为在线题库手机刷题,以提高学习效率,是学习的生产力工具
冲量等于动量的变化量The impulse is equal to the change in momentum 冲量等于动量的变化量The impulse is equal to the change in momentum 暂无答案
The object experiences an impulse in a collision, and this impulse is equal to the change in momentum. For instance, a football halfback who is running down the field and encounters a collision with a defensive back. The collision changes the halfback’s speed and, therefore, his momentum....
Impulse is a quantity that is closely related to momentum. When an object has a momentum , and a force is applied for an amount of time, the momentum can change to a new value . Theimpulse-momentum theoremstates that the impulse is equal to this change in momentum. Impulse is a vector...
This impulse is equal to the change in momentum of the colliding objects. Because we are talking about forces here, Newton's third law applies, and the impulse on the colliding objects will be equal and opposite. impulse = m(vf- vi) where: other definitions symbol description type units ...
Change in momentum is force times acting time. Forces that act for a very short time are called impulse forces. The product of the impulsive force and the time it acts is called the impulse. The impulse is equal to the change of momentum caused by the impulsive force and can be expressed...
What change in momentum does the impulse What change in momentum does the impulse cause? cause? Impulse Impulse –– Momentum Theorem Momentum Theorem “Impulse is equal to the change in “Impulse is equal to the change in momentum it causes” momentum it causes” Ft = m∆v Ft = m∆...
Momentum is mass in motion, and any moving object can have momentum. An object's change in momentum is equal to its impulse. Impulse is a quantity of force times the time interval. Impulse is not equal to momentum itself; rather, it's the increase or decrease of an object's momentum....
A(n) ___ causes and is equal to a change in momentum. a. force b . impact c. impulse d. collision 10. Calculate the impulse experienced by . (Show appropriate units on your answer.) a. ... a 65.8-kg halfback encountering a force of 1025 N for 0.350 seconds. b . ... ...
Momentum, being a vector quantity, has both magnitude and direction. Forces that act for very short periods of time are called impulsive forces. The product of the impulsive force and the time during which it acts is called the impulse of the force and is equal to the change of momentum ...