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A 0.400kg ball has a volume 1.48 x 10-4 m3.
When dropped into water, after a short time the sphere is observed to descent at constant velocity.
1) What is the resultant force acting on the sphere?
2) What is the buoyant force of the water on the sphere?
A particle of charge +10.4mC and mass 5.43 x 10-5 kg is released from rest in a region where there is a constant electric field of +573 N/C. What is the displacement of the particle
A cylindrical cable with 1.59 x 10-8 m resistivity carries a current of 1000A. There is a potential difference of 1.9 x 10-4 V between two points on the cable that are 0.32 m apart. What is the radius of the cable?
A 1.02 Volt potential difference is maintained across a 2 meter length of tungsten wire that has a cross-sectional area of 0.61 mm2 and the resistivity of the tungsten is 5.6 x 10-8 W.m. Estimate what is the current in the wire
A hockey puck leaves a player's stick with a speed of 8.00m/s and slides 37.0m before coming to rest. Find the coefficient of friction between the puck and the ice
On a horizontal frictionless surface, a small block with mass 0.200 kg has a collision with a block of mass 0.400 kg. What is the total kinetic energy of the two blocks
Paul is what most people consider a "jock." He is the captain of both the football and wrestling team and he also plays hockey. Upon entering Mrs. Title's class she figured that he would not take course seriously nor would he excel in class. She p..
What is the capacitance of this capacitor. Estimate the terminal speed of a wooden sphere (density 0.810 g/cm3) falling through air, if its radius is 8.00 cm and its drag coefficient is 0.5.
The position of a 52g oscillating mass is given by x(t)= (2.5cm)cos12t , where t is in seconds. Determine the maximum speed and energy
A spring is 17.0 cm long when it is lying on a table. One end is then attached to a hook and the other end is pulled by a force that increases to 25.0 N, causing the spring to stretch to a length of 19.2 cm.
guess the force between a proton and an electron at the Bohr radius of 0.5Å (1 Å=10-10 m). The magnitude of the charge of an electron, as well as a proton, is 1.6·10-19 C.
A transmission line is made of a core of copper surrounded by a concentric circular sheath of steel to give it strength. The copper core is 1.0 cm in diameter and the tightly fitting sheath has an outer diameter of 2.0 cm.
Through the Cold War, American submarines operated as "lone wolves" at extreme ocean depths for many months at a time. Ordinary radio signals are greatly attenuated at such depths, making communication with the submarines difficult.
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