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An undersea research chamber is spherical with an external diameterof 4.90 m. The mass of the chamber, when occupied, is61300 kg. It is anchored to the sea bottom by acable.
What is the buoyant force on the chamber?
What is the tension in the cable?
At one instant a bicyclist is 28.0 m due east of a park's flagpole, going due south with a speed of 11.0 m/s. Then 24.0 s later, the cyclist is 26.0 m due north of the flagpole, going due east with a speed of 11.0 m/s. For the cyclist in this 24.0 s ..
A rock is dropped from a sea cliff and the sound of it striking the ocean is heard 4.4 s later. If the speed of sound is 340 m/s, how high is the cliff
A metal sphere has a charge of +6.9uc. What is the net charge after 7.6x10^13 electrons have been placed on it
A ball rotates in a circle of radius 20.0 cm, making one complete revolution every 2.00 s. What are (a) the speed of the ball, (b) the frequency of motion in hertz, and (c) the angular speed of the ball?
The trimmer generates a back emf of 18.00 V when it is connected to an emf of 23.0 V dc. How much current flows through the motor when it is running smoothly
two waves traveling in opposite directions along a string fixed at both ends create a standing wave described byyx t
1 a particular 12 v car battery can send a total charge of 84 a h ampere-hours through a circuit from one terminal to
A 200 kg body is pulled up an inclined plane 15 m long and 5 m high. The force required to pull the body up the plane at a slow uniform speed is 976 N. compute the ideal mechanical advantage, the actual mechanical advantage and the efficiency of t..
two identical loudspeakers connected to a single audio amplifier are 5.0 m apart. the speakers at what spatial period does the intensity vary
what is the concentration of the cd in the soil if the city of des moines adds 3 tons of compost acre-6 inches given
An 63 kg weight watcher wishes to climb a mountain to work o? the equivalent of a large piece of chocolate cake rated at 690 kcal (1 kcal = 1000 cal). How high must the person climb
A 56.0 kg crate rests on a level floor at a shipping dock. The coefficients of static and kinetic friction are 0.790 and 0.400, respectively. What horizontal pushing force is required to just start the crate moving
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