Q4-SCIENCE 9-SUMMATIVE-TEST-2021-2022
Quiz by Merced Ansay
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- Q1
Which has increasing and decreasing velocity?
Trajectory
Horizontal velocity
Vertical velocity
Range
30s - Q2
Which of the following statements is NOT acceptable about projectile motion?
The motion of the projectile released vertically downward is accelerated.
The horizontal velocity of projectiles is constant.
Both horizontal and vertical velocities are constant.
It is the combination of two independent motions- vertical and horizontal.
30s - Q3
A ball is hit at an angle of 300. At what point in its trajectory does this projectile have the least speed?
Just before it hits the ground
At the highest point in its flight
Midway between the ground and the highest point
Just after it was launched
30s - Q4
Which of the following refers to horizontal distance traveled by a projectile?
Projectile
Range
Trajectory
Vertical velocity
30s - Q5
Which has constant velocity?
Range
Trajectory
Horizontal velocity
Vertical velocity
30s - Q6
How is impulse calculated?
The product of force multiplied by velocity
The force is divided by the time interval
The product of the force multiplied by time interval
The product of mass multiplied by velocity
30s - Q7
A ball is thrown horizontally with a speed of 4.0 m/s from a height of 60.0 meters. What is the range of the projectile?
14.0 m
4.00 m
34.0 m
24.0 m
30s - Q8
Which has more momentum, a heavy truck moving at 30 km/h or a light truck moving at 30 km/h?
Cannot be determined
light truck
Both vehicles
heavy truck
30s - Q9
How would you compare the momentum of a large bus with that of a small car traveling at the same speed?
The momentum of the bus is greater than the small car
The momentum of the bus is less than the small car
The momentum of the bus is equal to the small car
None of the above
30s - Q10
Ball A is thrown horizontally, while ball B is dropped from the same height at the same time. Which of the following events will happen?
Ball B will have a greater speed when it reaches the ground
Ball B will reach the ground first
Balls A and B will reach the ground at the same time
Ball A will reach the ground first
30s - Q11
Ball A bumps into ball B. Which is the same before and after collision?
The momentum of A
The sum of momenta
The difference in momenta
The momentum of B
30s - Q12
A baseball bat hits a ball with 20 N of force at 0.75 s, what is the impulse of the interaction?
27 Ns
1 Ns
15 Ns
5 Ns
30s - Q13
What happens to the potential energy of an object thrown upward?
Potential energy remains unchanged
Potential energy decreases
Potential energy increases then decreases
Potential energy increases
30s - Q14
The total momentum of two objects before the collision is 275 kg●m/s. What will be their total momentum after the collision?
Not enough information is given
0 kg●m/s
350 kg●m/s
275 kg●m/s
30s - Q15
Which of the following is TRUE to an object thrown straight upward?
Neither A nor B
Both A and B
The object is decreasing its speed until its kinetic energy becomes zero
The object’s kinetic energy decreases and is transformed to potential energy
30s