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What is the charge and charge density on the surface of a conducting sphere of radius r = 0.15 m if its potential is v = 200v
What is the terminal speed for an 76.0 skier going down a 41.0 snow-covered slope on wooden skis = 0.060? Assume that the skier is 1.80 m tall and 0.500 m wide. Replace mg with net forces parallel
A particle of charge 'q' and mass 'm' is injected at time 't=0' with the velocity 'u' along X-axis. Find the velocity of particle at time 't'.
Draw a possible energy-level diagram for one of the quantum objects, which has three bound states. On the diagram, indicate the transitions corresponding to the emitted photons, and check that the p
Calculate the crystal thickness, PD, DF, PRF, PRP, SPL, period, and distance to reflector if a 3 cycle pulse emitted from a 3 MHz transducer if the echo time received was 0.130 ms in soft tissue.
The bus stops for 26 min, then it travels 230 km south with an average velocity of 66 km/h to the south. How long does the total trip last?
How much current is flowing in a wire 4.80 m long if the maximum force on it is 0.750 N when placed in a uniform 0.0800-T field?
Perform the following paired movements, noting the difference in the effort needed. Diagram and explain the reasons for the difference.
Somehow the radius of loop starts shrinking at a constant rate of 1.0 mm/sec. Find the induced emf in the loop at an instant when the radius is 2 cm.
A 1600 kg car traveling at a speed of 11m/s skids to a halt on wet concrete where coefficient of kinetic friction is 0.20. What are the length of the skid marks in meters?
Briefly describe the Bohr model of the atom. What is de Broglie's key idea (involving matter waves) that makes the Bohr atom have discrete energy levels?
How much time passes before it hears an echo? Assume the the speed of sound in sea water is 1530 m/s at this temperature.
A pair of closely spaced square conducting plates measure 18cm on a side. The electric-field energy density between the plates is 4.7kJ/m3. What is the charge on the plates?
A standard 0.505 1 inch diameter tensile specimen has 2.0 inch Gage length. the load corresponding to the 0.2% offset is 15000 lb and the maximum load is 18500 lb. Fracture occurs at 16200 lb. the
The valve will encounter 200lb of the resistance force applied to a 1.5 inch diameter axle. what is the actual mechanical advantage of the system.
A car of mass = 1100 kg traveling at 50.0km/hr enters a banked turn covered with ice. The road is banked at an angle , and there is no friction between the road and the car's tires. (Intro 1 figure
Determine the density of the proton. (b) State how your answer to part (a) compares with the density of osmium
A football lineman charges an opponent with a force of 175lbs in the direction of 310 degrees. The opponent charges back with a force of 185 lbs in the direction of 90 degrees. What is the resultant
A loop of wire in the shape of a rectangle of width w and length L and a long straight wire carrying a current I lie on a table top. Determine the magnetic flux through the loop due to the current I.
Calculate the wavelength of the resulting wave on the cable. Hint: This is a two part problem where you have to use the length, mass and tension to calculate the velocity of a wave on the cable and
A wheel is spinning clockwise at a 10.0 revolutions per second at t = 0. Due to friction in the bearings supporting the axle, the wheel slows down, losing 0.500 revolutions per second in angular ve
If dog A exerts a force of 270N and dog B exerts a force of 300N find the magnitude of the resultant force and the angle it makes with dog A's rope.
A 1.0 kg mass is connected to a spring with a spring constant of 9.00 N/m. If the initial velocity is 0.0 cm/s and the initial displacement is 2.0 cm, then what is the maximum kinetic energy of the
Assuming that the weight used in experience 3 is 8 kg , determine the rotary and non rotary components of the force by the trigonometric method
A baseball is thrown straight up. The drag force is proportional to .In terms of, what is the y-component of the ball's acceleration when its speed is half its terminal speed and it is moving up?