Which of the following velocity-time graphs shows a realistic situation for a body in motion ? View Solution Which of the following velocity-time graphs shows a realistic situation for a body in motion ? Exams IIT JEE NEET UP Board
结果1 题目 Which of the following is not a vector quantity?C A The weight of a car. B The change in velocity of a car. C The period of a pendutum D The displacement of a bus from the start to the end of a journey. 相关知识点: 试题来源: 解析 C 反馈 收藏 ...
the net work done on a particle is zero, which of the followingstatements must be true? ( ) A Thevelocity is zero. B Thevelocity is decreased. C Thevelocity is unchanged. D Thespeed is unchanged. E Moreinformation is needed. 相关知识点: 试题来源: 解析 D 反馈 收藏 ...
高度，altitude某医院2001年以150万元进口了一台医疗仪器；2003年1月因出现故障运往日本修理(出境时已向海关报明)，同年7月按海关规定的期限复运进境。此时，该仪器的国际市场价已为200万元。若经海关审定的修理费和料件费为40万元，复运进境的运输及其相关费用、保险费合计10万。进口关税税率为6%，该仪...
Which of the following is not a unit of energy? A) joule B) kw-hr C) btu D) kw Energy: Energy is an inherent property of a body that is the measure of the capacity of a body to do work. There are many kinds of energy like heat, light, sounds, mechanical energ...
Which of the following contains vector quantities only? a. speed, momentum b. velocity, magnetic field c. speed, electric field d. distance, current Vector and Scalar Quantities: We make sure of vector and scalar quantiles on a regul...
The equation of exchange states that MV = PY, so P = MV/Y.The other statements are true. According to the quantity theory of money, an increase in the money supply will cause a proportionate increase in prices, while velocity and real output are determined by institutional factors and are...
A ball is thrown vertically upwards. Ignoring air resistance, which of the following statements is true about the ball's motion? A. The ball has a constant acceleration throughout its motion B. The velocity of the ball is zero at the highest point, so the acceleration is also zero C. ...
The root mean square velocity of a gas is double when temperature is Aincreased four times Bincrease two times Creduced to half Dreduced to one fourthSubmit Which of the following is correct relation for root mean square velocity ? Aurms=√8RTπM Burms=√3RTM Curms=√2RTM Durms=3RTM...
3.Which of the following BEST explains what the global community should do? [A] To supervise the construction of schools. [B] To take prompt and effective actions. [C] To provide water and power supply. [D] To prevent instability and aggression. 4.According to Angelina, what is the ...