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A metal block of mass 1.560 kg is hanging from a string. The tension in the string is 7.185 N. The block is submerged in a beaker of fluid and is stationary. What is the magnitude and direction of the buoyant force acting on the block? Consider making a free body diagram showing the three forces acting on the block.
Suppose you pour water into a container until it reaches a depth of 44.6 cm. What is the pressure at the bottom of the container
In a physics lab, a cube slides down a frictionless incline and elastically strikes another cube at the bottom that is only 1/4 its mass. If the incline is 35 high and the table is 95 off the floor, where does each cube land.
A cube of ice is taken from the freezer at -7.7°C and placed in a99g aluminum calorimeter filled with297g of water at room temperature of 20°C. What was the mass of the ice cube
A spear fisherman estimates that a trout is 1.6 m below the water's surface. What is the actual depth of the fish
An airplane is flying through a thundercloud at a height of 1600 m. what is the electric field vector E at the aircraft
A spaceship(Mo = 10,000 kg & Lo = 42m) is observed to be 42.2m long while traveling towards earth Determine the speed of the space ship. Determine the radio frequency emitted by the ship
A rod of 2.0-m length and a square (2.0 mm × 2.0 mm) cross section is made of a material with a resistivity of 6.0 × 10-8 ? ? m. at what rate is heat generated in the rod
a 30 kg child on a sled slides down a frictionless slope angled at 15 degrees with respect to the horizontal. what is the magnitude of the wind force, F, such that the acceleration of the child is 1 m/s^2
An electron in a vaccuum is first accelerated by a voltage of 10,000 volts, find the force of the electron due to the magnetic field
A professor's office door is 0.9 wide, 2.0 high, and 4 thick; has a mass of 25; and pivots on frictionless hinges. A "door closer" is attached to door and top of the door frame.
What would the bank angle be for a circular racetrack with radius 120 m so that a car can go around the curve safely at a maximum of 21 m/s
A model rocket engine has an average thrust of 5.26 N. It has an initial mass of 24.9 g, which includes fuel mass of 12.2 g. What is the average exhaust speed of the engine
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