5. One of the guitar wire mass is 0.5 g and length 30.0 cm is stretched with a tension of 20.0 N. A wave with frequency 85.0 Hz and amplitude 0.8 mm travels along the wire. a. How much power the wave may carry? b. if the wave amplitude is halved What happens to average power?
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- E Dominic x Galeone x Click to P x O (2684) Ux O(2684) Ar x 2 way tatx Apex Lea x Apex Lea ng.com/public/activity/6000001/assessment d/49d e Staft Videos- Goog. O crosh L Pretest: Unit 6 Question 2 of 29 A water-skier with a mass of 68 kg is pulled with a constant force of 720 N by a speedboat. A wave launches him in such a way that he is temporarily airborne while still being pulled by the boat, as shown in the image below. Assuming that air resistance can be ignored, what is the vertical acceleration that the water-skier experiences on his return to the water surface? (Recall that g= 9.8 m/s2) Rope Force 720 N | Weight A. -9.8 m/s2 B. -15.9 TestNav INTL hp 8. 3. 4. e t yA body moves at a constant speed of 20 m / s without hindrance to movement. After 10 seconds, your speed will be:How long does it take for a 0.25 kg stone to hit the ground if it dropped from a height of 60 meters?
- If you push a 3Kg book across your desk at a constant speed of 2 m/s with a force of 7N what is the net force that acts on the book? NO O O 7N O 21N O 42N 5 7 8. 9 10 11A standard elevator in a midrise building can hold a maximum weight of about 1.5 tons. Assuming an average adult weighs 150 pounds, how many adults could safely ride this elevator? (1 ton = 2000 lb)Heather & Bryce can apply a force of 32 - N to a wagon with some of their toys and play items that had a combined mass of 20 kg . If starting from rest , how much speed will the wagon pick up if they pull it up for 4 seconds