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A dinoflagellate takes 5.2 s to travel 0.6 mm. Approximate a dinoflagellate as a sphere of radius 35.0 µm (ignoring the flagellum).
(a) What is the drag force on the dinoflagellate in seawater of viscosity 0.0009 Pa · s?
(b) What is the power output of the flagellate?
A solar cell generates a potential difference of .1 V when a 500 ohm resistor is connected across it and a potential difference of .15 V when a 1000 ohm resistor is substituted.
The magnitude of the vector is 45.0 units and points in the direction 386 counter clockwise from the positive x-axis. Calculate the x-component of this vector.
A laser beam is incident at an angle of 42.0° to the vertical onto a solution of corn syrup in water. what is the index of refraction of the syrup solution
An electron and a positron have masses of 9.11 10-31 kg. They collide and both vanish, with only electromagnetic radiation appearing after the collision. determine the energy of the electromagnetic radiation
A 57.0 kg skateboarder starts out with a speed of 1.70 m/s. He does +80.0 J of work on himself by pushing with his feet against the ground. Calculate the change (?PE = PEf - PE0) in the gravitational potential energy
A 3.0 g. copper penny has a positive charge of 0.52 millicoulombs. What decimal fraction of its electrons has it lost
A converging lens with a focal length of 12.4cm forms a virtual image 8.50mm tall, 17.6cm to the right of the lens. Determine the position of the object
The pendulum in a grandfather clock is made of brass and keeps perfect time at 20 degrees Celsius. How much time is gained or lost in a year
This is a monochromatic light. Two thin slits are separated by 0.150 mm which is placed 2.3 meters away. What is the wavelength and the color of light
question1reduce equations of motion to an equivalent one-dimensional problem and discuss qualitative nature of the
A large non conducting sphere of radius 30 cm is uniformlycharged throughout with a net charge of -3μC. Calculatethe electric field at a point inside the sphere at a distance of 10cm from the center.
A 10 cm long thin glass rod is uniformly charged to +50 nC. A small plastic bead, charged to - 4.8 nC, is 4.2 cm from the center of the rod. What is the magnitude of the force of the bead.
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