Physics, 26.03.2021 03:20, razielcornils04
The length of a simple pendulum is 0.75 m and the mass of the particle (the "bob") at the end of the cable is 0.31 kg. The pendulum is pulled away from its equilibrium position by an angle of 6.4° and released from rest. Assume that friction can be neglected and that the resulting oscillatory motion is simple harmonic motion. (a) What is the angular frequency of the motion? (b) Using the position of the bob at its lowest point as the reference level, determine the total mechanical energy of the pendulum as it swings back and forth. (c) What is the bob’s speed as it passes through the lowest point of the swing?
Answers: 1
Physics, 21.06.2019 15:00, dquezada21
An ambulance emits a frequency of 450 hz from its siren. what frequency is heard by a man as the ambulance moves toward him? less than 450 hz more than 450 hz 450 hz 0 hz
Answers: 1
Physics, 22.06.2019 10:30, austinwst3
You are driving directly behind a pickup truck, going at the same speed as the truck. a crate falls from the bed of the truck to the road. (a) will your car hit the crate before the crate hits the road if you neither brake nor swerve? (b) during the fall, is the horizontal speed of the crate more than, less than, or the same as that of the truck?
Answers: 2
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