Q2 - LEARNING ACTIVITY SHEET (LAS) 3 SHS - General Physics 1 Name: Section: Directions: Read each question carefully Ill. The restoring force and and choose the letter of the best answer. displacement are. oppositely Encircle the letter that corresponds to directed. your answer. IV. The . restoring force and 1. Which of the following statements is displacement are in the same TRUE about the velocity and direction. acceleration of the swing as shown in A. land il C. II and IV the illustration below? B. I and Ill D. Ill and IV 4. The illustration below shows a block attached to a spring on a frictionless surface in different positions: a, b, and c. Which is TRUE about the force exerted by the spring? A. The velocity and acceleration at points A and C is zero. B. The velocity and acceleration at b the equilibrium position point B is zero. C C. The velocity at points A and C is maximum but its acceleration is zero. A. When the block is displaced to D. The velocity at position B is the right of equilibrium, the force maximum but its acceleration is acts to the right. B. When the block is displaced to zero. the left of equilibrium, the force 2. What is the frequency of the acts to the left. C. When, the block is at its periodic motion of an object which equilibrium position, the force is completes one full cycle in 0.5 zero. seconds? D. When the block is at its A. 0.5 Hz C. 1.5 Hz equilibrium position, the force is B. 1.0 Hz D. 2.0 Hz maximum. 3. What conditions must be met for an 5. What is the force constant of the spring object to undergo simple harmonic hanging : vertically that is stretched motion? from its equilibrium position to 15 cm I. The restoring force is proportional when loaded with a 40 N block? to the displacement. A. 2.6667 N/m C. 266.67 N/m Il. The restoring force is inversely B. 26.667 N/m D. 2666.7 N/m proportional to the displacement.Q1 - LEARNING ACTIVITY SHEET (LAS) 1 SHS 11 - General Physics 1 Name: Section: Directions: Read each question carefully and locations c and d and the blue wave choose the letter of the best answer. Encircle occupies locations d and e, which the letter that corresponds to your answer. diagram best describes the resulting wave form? 1. The sound Intensity at a distance of 10 m away from the source is 3 x 10"* w /m]. How much power is emitted by the source? A. 3.77 x 10 w B. 3.77 x 10 W A. C. 2. 39 * 10 W B D. 2.39 x 10 W C. 2. The intensity of a sound wave is 100 W/m" at a distance of 3 m. What is the O . intensity of the sound wave at a distance of 6 m? A. 25 W/m For items No. 6 and 7. B. 50 W/m C. 200 W /m Standing Wave D. 400 W /m 3. If the two overlapping waves are in phase, what will happen to the D resultant wave? String A. Decrease in amplitute B. Decrease in frequency C. Increase in amplitude 6. Which statement is correct about the D. Increase in frequency half wave A B C? 4. The second harmonic on a string fixed A. All particles in this half wave are in at both ends shows that the length of phase with each other as they all the string is equivalent to? move in the same direction. B. All particles in this part are out of A. Half a wavelength phase with each other as they all B. A wavelength move in different directions. C. Two wavelengths C. The half wave A B C are in phase D. Four wavelength with the next half wave C D E because they all move in the same 5. Two waves on the same string are direction. headed towards one another as shown. When red wave occupiesQ2- LEARNING ACTIVITY SHEET (LAS) 3 SHS - General Physics 1 Name: Section: An oscillating body takes 0.9 seconds `For numbers 9 and 10, refer to the to complete 3 cycles. What is the wave problem below. period, frequency, and angular A sinusoidal wave has this frequency of the body? A. T= 0.3 s, f= 3.33 Hz, w= 20.9 rad/s equation: B. T= 0.3 s, f= 20.9 HZ, w= 3.33 rad/s y(x,t) = 0.009 m sin(1.12 m 'x- 5.05't) C. T= 3.33 s, f= 0.3 Hz, W= 20.9 rad/s 9. What is the amplitude of the wave? D. T= 20.9 s, f= 3.33 Hz, w= 0.3 rad/s A. 0.009 m C. 11.2 m B. 1.12 m D. 5.0 m 7. Which of the following phrases completes the statement to describe 10. What is the wavelength of the wave? the motion of the medium's particles A. 0.561 m C. 56.1 m of a transverse wave? The particles of B. 5.61'm D. 561 m the medium A. oscillate back and forth B. oscillate along the the same END OF GENERAL PHYSICS 1 direction of wave propagation C. are displaced parallel to the direction in which a wave travels. D. are displaced perpendicular to the direction in which a wave travels 8. What happens to the particle of a medium when a sinusoidal wave is generated? A. It undergoes simple harmonic motion with the same amplitude. B. It undergoes simple harmonic motion with the same frequency. C. It undergoes simple harmonic motion with changing amplitude. D. It undergoes simple harmonic motion with changing frequency.Q1 -LEARNING ACTIVITY SHEET (LAS) 1 SHS 11 - General Physics 1 Name: Section: D. All particles in A B C have carried energy from one area to another. 7. If you walk along the line of the A standing wave, what will you hear? B. B A. The sound loudness stays the C. C same from A to E. D. Both A and B B. The loudness of the wave changes from no sound at B to loudest at C. C. The pitch of the sound changes as you move from A to B to C. . The loudness of the wave changes from no sound at C to loudest at D. 8. What happens to the frequency detected by an observer as he moves towards the source of the sound? A. decreases B. increases C. remains the same D. increases or decreases, depending on the temperature 9. A source of sound moves away from a listener. The listener has an Impression that the source is? A, lower in pitch B. lower in velocity C. higher in amplitude D. higher in temperature 10. A girl is swinging in front of a stationary whistle as shown in the picture below. At what point will she hear the highest frequency? DIVISION OF MISAMIS OCCIDENTAL