Physics, 29.11.2019 01:31 lllmmmaaaooo
Suppose you have an aquarium. you have a solid plastic decoration and a rock of about the same volume but the rock has twice the mass. both are totally submerged in the water. the buoyant force on the plastic object is about?
Answers: 3
Physics, 22.06.2019 08:30
A40.0 l tank of ammonia has a pressure of 12.7 kpa. calculate the. volume of the ammonia if itβs pressure is changed to 8.4 kpa while its temperature remains constant.
Answers: 3
Physics, 23.06.2019 00:30
Which of the following is a true statement about the acceleration ~a of the pendulum bob ~a is equal to the acceleration due to gravity. ~a is perpendicular to the bobβs trajectory. ~a is equal to the instantaneous rate of change in velocity. ~a is tangent to the bobβs trajectory.
Answers: 1
Physics, 23.06.2019 02:00
Consider an air-filled charged capacitor. how can its capacitance be increased?
Answers: 2
Physics, 23.06.2019 03:10
You have been hired to design a spring-launched roller coaster thatwill carry two passengers per car. the car goes up a 10-m highhill, then descends 15m to the track's lowest point. you'vedetermined that the spring can be compressed a maximum o 2.0m andthat a loaded car will have a maximum mass of 400kg. for safetyreasons, the spring constant should be 10% larger than the minimumneeded for the car to just make it over the top. a) what spring constant (k) should you specify ? b) what is the maximum speed of a 350 kg car if the spring iscompressed the full amount.
Answers: 2
Suppose you have an aquarium. you have a solid plastic decoration and a rock of about the same volum...
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