Pagalangang NHS Fourth Periodical Test In Science 9
Quiz by darwinrex
Grade 9
Science
Philippines Curriculum: Grades 1-10
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50 questions
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- Q1The initial velocity of Manuel playing “luksong tinik” has horizontal and vertical components that are equal in magnitude. What angle does his velocity make with the horizontal?30˚90˚60˚45˚30sS9FE-IVa-34
- Q2A Sepak takraw that is kicked from a height of two meters a path that is .circularparabolichyperboliclinear30sS9FE-IVa-34
- Q3A goalie made three soccer punts at 70˚, 50˚, and 30˚ with varying speeds – all reaching the same maximum heights. Which statement is correct?the punt at 30˚ has the longest hang timethe punt at 70˚ has the longest hang timeall punts have the same hang timethe punt at 50˚ has the longest hang time30sS9FE-IVa-34
- Q4A volleyball is served at a speed of 8.0 m/s at an angle 35˚ above the horizontal. What is the speed of the ball when received by the opponent at the same height?8.0 m/s9.8 m/s16.0 m/s4.0 m/s30sS9FE-IVa-34
- Q5A Batang Pinoy athlete from your school throws a javelin, always at the same speed, at four different angles (30˚, 40˚, 60˚, and 80˚) above the horizontal. Which two throws cause the javelin to land the same distance away?30˚ and 60˚40˚ and 60˚30˚ and 80˚40˚ and 80˚30sS9FE-IVa-35
- Q6Two identical cars are travelling along EDSA. Which of the two cars would have a greater momentum?cannot be easily determinedthe faster carboth have the same momentumthe slower car30s
- Q7A bus and a car are travelling along EDSA having the same velocity. Which of the two vehicles would have a greater momentum?both have the same momentumthe busthe carcannot easily be determined30sS9FE-IVb-36
- Q8A 25-kg girl is riding a 5-kg with a velocity of 5 m/s the East. What is the total momentum of a girl and a bike together?125 kg m/s200 m/s150 kg m/s100 kg m/s30sS9FE-IVb-37
- Q9Which of the following is a necessary condition for the total momentum of a system to be conserved?the system must be at rest.no net external force acts on the systemonly the force of gravity acts on the system.Kinetic energy must not change30sS9FE-IVc-38
- Q10Two billiard balls approach each other with the same speed. If they collide in a perfectly elastic collision, what would be their velocities after collision?Same in magnitude but opposite in directionSame in magnitude and directionDifferent in magnitude and opposite in directionZero30sS9FE-IVb-37
- Q11What is the energy of a of a motorcycle moving slowly at the top of a hill?entirely gravitationalboth kinetic and potentialentirely kineticentirely potential30sS9FE-IVc-39
- Q12Which event is explained in the sequence of energy changes shown in the diagram below?a headlight is onelectric current powers a flat irona turbine spinsgasoline burns to run a jeepney30sS9FE-IVc-39
- Q13Which event illustrates the direct transformation of potential to kinetic energy?the spring mechanism of a toy is rotated until it lockeda Kalesa moves from restKathy’s arrow is released from its bowA basketball player catches a flying ball30sS9FE-IVc-39
- Q14Which among the forms of energy is considered a potential energy?thermal energyradiant energysound energychemical energy30sS9FE-IVc-39
- Q15Which of the following happens to a coconut that falls freely?gains both potential energy and kinetic energyloses potential energy and gains kinetic energygains potential energy and loses kinetic energyloses both potential energy and kinetic energy30sS9FE-IVd-40
