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Ricardo, mass 80 kilogram, and Carmelita, who is lighter, are enjoying Lake Merced at dusk in a 30 kilogram canoe. When the canoe is at rest in the placid water, they exchange seats, which are 3.0 meter apart and symmetrically placed with respect to the canoe's center. Ricardo notices that the canoe moved 50 centimeter relative to a submerged log during the exchange and determine Carmelita mass, which she has not told him. What is it?
Describe how a uniform electric field might be used to measure distance. Hint: In the parallel electrode arrangement, what parameter(s) varied with distance between the electrodes and what parameter(s) stayed constant?
a large boulder is ejected vertically upward from a volcano with an initial speed of 40.7 ms. air resistance may be
how much tension must a cable withstand if it is used to accelerate a 20.0 kg car vertically upward at 0.70 m/s^2
A 0.381 H inductor is connected to a capacitor and a 45.5 resistor along with a 69.3 Hertz, 28.3 Volt generator. Estimate the voltage drop across the resistor at resonance
A uniform ladder of length L and weight w is leaning against a vertical wall. determine the smallest angle the ladder can make with the floor without slipping
question laser light of wavelength 635 nm is incident upon two narrow slits separated by .14 mm. on a screen 4.1 m
A cylinder contains a piston on each side of which is one kilomole of an ideal gas. The walls of the cylinder are diathermal, What is the change in the Helmholtz potential
A segment of wire carries a current of 25 A along the x axis from x = -2.0 m tox = 0 and then along the z axis from z =0 to z = 3.0m. In this region of space, the magnetic field is equal to 40 mT in the positive z direction. What is the magnitude of ..
exploring creation with physics 2nd edition module 14 practice problem 7 a 3.8mc charged particle m5.0kg is shot with
The electric field between the plates of a paper-separated (K=3.75) capacitor is 8.19×104. determine the area of each plate
Kinetic energy KE has dimensions kg · m^2/s^2. It can be written in terms of the momentum p and mass m as KE=p^2/2m. (a) Determine the proper units for momentum using dimensional analysis. (Use the following as necessary: kg, m, and s.)
During each cycle, a refrigerator ejects 605 kJ of energy to a high-temperature reservoir, Determine the work done on the refrigerant in each cycle
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