国际学校物理问卷.docx

班级(层） 姓名 英文名 座位号 密 封 线 内 不 要 答 题 密 封 线广州市香江中学国际部 2015-2016学年第一学期期末考试__12__年级__物理__（学科）试卷 出卷人 李昭亮 审核人 薛仲伟 说明：1.本试卷共4页，总分100 分。考试时间为90分钟。 2.考生按照要求用黑色字迹的钢笔或签字笔填写在答题卷各题目指定区域内 的相应位置，否则不得分。Multiple Choice (4*20=80) 1.A car uniformly accelerates from rest at 3.0m/s2 down a 150m track.What is the car’s final velocity?A 30m/s B 90m/s C 150m/s D 450m/s E 900m/s 2.A place kicker kicks a football at a velocity of 10.0 m/s from the ground at an angle of 30? from the horizontal.Approximately how long will the ball stay in the air?A 0s B 0.6s C 0.8s D1.0s E 1.8sBonnie sits on the outer rim of a merry-go-round,and Jill sits midway between the center and the rim.The merry-go-round makes one complete revolution every 2 seconds. Jill’s linear velocity is:A the same as Bonnie’s B twice Bonnie’s C half of Bonnie’sD one-quarter of Bonnie’s E four times Bonnie’s 4..An object at rest begins to rotate with a constant angular acceleration.If this object rotates through an angle θ in time t,through what angle did it rotate in the time 1/2t?A 0.5 θB 0.25 θC θD 2 θE 4 θ5.A bicycle wheel has a radius of 0.5m.When it spins, it completes one full turn in 1.6s.A pebble wedged in the tread has a mass of 10g.What is the centripetal force on the pebble?A 0.01N B 0.08N C 0.1N D 0.8N E 1N6.A 70-kg man runs at a constant velocity of 2m/s.What is his kinetic energy?A 35J B 70J C 105J D 140J E 210J7.A 10-N force is applied horizontally on a box to move it 10m across a frictionless surface.How much work was done to move the box?A 0J B 10J C 50J D 100J E 1000J8.A constant net force of 500N moves a 1000-kg car 100m.If the car was initially at rest, then what is the car’s final velocity?A 1m/s B 5m/s C 10m/s D 20m/s E 100m/s9..A mover uses a pulley system to lift a grand piano with a mass of 500kg from the ground to a height of 10m.What is the