Problems - highschoolscienceblog



Physics 20 PM GROUP only Week 10 Summative TaskDue June 12th . Please try to stay in the time constraints from the Weekly Plan. If it is taking you too lone, please contact me. You may skip over some questions if time is an issue, so you get some of each type done47720251778000Oscillatory Motion Define Oscillatory Motion and give 2 examples: pendulum videoProblemsFind the time it takes for a pendulum to swing back and forth if it has a length of 110m. Where could you find such a pendulum?Find the speed of a pendulum released 1.1m above its equilibrium.Find the acceleration of a pendulum when pulled 12o from equilibrium.484822520574000On the diagram, label the positions of Max velocityZero velocityMax accelerationZero acceleration4171315000Find the spring constant of the spring from the following graph (show your work)Find the energy stored when stretched 12cm from the following graph (show your work)Find the time it takes for a spring to oscillate if attached to a 110g mass if it has a spring constant of 175N/mFind the acceleration when a spring is compressed 2.5cm from equilibrium and attached to a 50g mass and has a spring constant of 1.7x103N/mFind the velocity of a 50 g pinball shot from a spring is compressed 2.5cm from equilibrium that has a spring constant of 1.7x103N/m 4763770-421005003752850205740On the diagram, label the positions of Max velocityZero velocityMax acceleration Zero accelerationTHE FOLLOWING MATERIAL IS FOR WEEK 10, THE PREVIOUS WAS FROM WEEK 9 MATERIALProblemsThere are two types of waves. Describe both and give an example of each-112649030607000 A musical instrument produces a sound wave with a frequency of 1000 Hz. The sound wave has a wavelength of 0.34 m in air. Calculate the speed of the sound wave in air. What is the period of a wave with a frequency of 1000Hz?A submarine uses sonar to measure the depth of water underneath them. If the sound waves travel 1350m/s under water and the echo is heard 0.21 seconds after, how deep is the water under the sub?Ocean waves with a wavelength of 120 m are coming in at a rate of 8 waves per minute. What is the speed of the waves? A wavelength is the distance between which two points? The amplitude is the distance between which two points? Red light has a wavelength of 700 nm. If light travels at 3.00 x 108m/s, what is the frequency of the red light?395224034544000In which will sound move faster: (circle the right answer)Water or airWarm air or cold airSteel or waterWhat is the speed of sound in air if a note with 380Hz has a wavelength of 0.87m?-95258176398600How many waves are shown on the diagram to the left? ................
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