Answers: 2
Physics, 22.06.2019 18:30, yuvraj2298
Ahot-air balloon takes off from the ground traveling vertically with a constant upward acceleration of magnitude g/4. after time interval δt, a crew member releases a ballast sandbag from the basket attached to the balloon. how many seconds does it take the sandbag to reach the ground? (express your answer in terms of δt)
Answers: 2
Physics, 24.06.2019 04:00, slbucknerholmes9
The handle of a car jack is moved 150 cm in order to lift the car 5.0 cm. what is the ideal mechanical advantage of this car jack?
Answers: 3
Physics, 24.06.2019 05:30, Hollywood0122
Sound travels about 1460 meters per second in water. how deep is a wreck on the sea floor if it takes about 4 seconds for a sonar signal to return following transmission? a) 2920 meters b) 1460 meters c) 5840 meters d) 365 meters
Answers: 2
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