PORTAGE MICROBIOLOGY FINAL

PORTAGE MICROBIOLOGY FINAL

EXAM LATEST UPDATED FEBRUARY

APRIL- 2024

• The radius of the path of an object in uniform circular motion is doubled. The centripetal force

needed if its speed remains the same is .

• Four times as before
• Half as great as before
• Twice as much
• Three times as much
• Car A has a mass of 1000kg and a speed of 60km/hr. car B has amass of 2000kg and a speed of

30km/hr. compare the kinetic energy foe car A with that of car B.

• Half as much
• Four times as much
• Equal
• Twice as much
• What would be the horizontal line in a position-time graph means?
• Changing position, constant velocity
• Constant position, constant velocity
• Changing position, increase velocity
• Constant position, zero velocity
• What is the car‟s acceleration if ten seconds after the starting from rest; it is moving at 40m/s?
• 4.0m/s2
• 10m/s2
• 2.5m/s2
• 0.25m/s2
• A heavy object and a light object are released from the rest at the same height and time in a

vacuum. As they fall, they have equal .

• Weights
• Moments
• Acceleration
• Energies
• Airplanes are designed with pointed nose and thin tails in order to .
• Produce fluid friction
• Reduce drag
• Increase the lift of the wing D. Lessen the forward thrust
• A stone was thrown upward from the roof, at the same time that an identical stone was dropped

from there. The two stones will .

• Have the same velocity upon reaching the ground
• Take the same time to reach the ground

• Have they same acceleration when they reach the ground
• Reach the ground at the same time

• In a pair of scissors, the fulcrum is located at the .
• Handle
• Screw
• Tip of the blades
• Sharp edges
• What kind of energy is possessed by water falling from a dam?
• Potential
• Kinetic
• Accelerating D. Interacting
• If an object were equipped with a speedometer and allowed to fall freely on a planet where the

acceleration due to gravity is 20m/s2, by, how much will the reading on the speedometer increase each second? A. 30m/s B. 20m/s

• 40m/s
• 10m/s
• According to the kinetic molecular theory, liquids are similar in solids in that .
• Their molecules are arrange in a regular manner
• The motion of their particles changes with temperature
• The motion of their particles cannot be determined
• There is very little space in their molecules
• When the solid block of materials is cut in half, its density is .
• Unchanged
• Halves
• Doubled D. Tripled
• A ball is launched at an angle of 60 degrees from the horizontal. What do you call the horizontal

distance traveled by the ball?

• Trajectory
• Projectile
• Range
• Hyperbola
• Which of the following is TRUE about an object thrown horizontally?
• The vertical distance traveled increases uniformly
• The horizontal motion is uniformly accelerated
• The horizontal component of velocity increases
• The velocity of the subject increases
• In the absence of the air resistance, a projectile has a maximum range when thrown at an

angle of .

• 90 degrees
• 60 degrees
• 30 degrees