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A butterfly net is in a uniform electric field of magnitude E = 4.6 mN/C. The rim, a circle of radius a = 6.5 cm, is aligned perpendicular to the field. The net contains no net charge. Find the elec
How long does it take from the moment when the motorcycle starts to accelerate until it catches up with the car? In other words, find t2-t1.
The electric field just above the surface of the charged drum of a photocopying machine has a magnitude E of 3.1 x 105 N/C. What is the surface charge density on the drum, assuming that the drum is a
The train on the right accelerates leftward at 0.91 m/s2. (a) How far does the train on the left travel before the front ends of the trains pass?
Light from a helium-neon laser (λ =633 nm ) is incident on a single slit. What is the largest slit width for which there are no minima in the diffraction pattern?
(a) Express the average speed for the entire trip as a function of H and T. (b) Express the average speed for the same interval of time as a function of the initial launch speed v0.
Suppose you adjust your garden hose nozzle for a hard stream of water. You point the nozzle vertically upward at a height of 1.5 {m} above the ground. When you quickly turn off the nozzle, you hear
If the shot is made from a horizontal distance of 11.00 {m} and must be accurate to plus or minus 0.12 {m} (horizontally), what is the range of initial speeds allowed to make the basket?
A bird stands on a dc electric transmission line carrying 2900 A. The line has 2.6×10^-5 resistance per meter, and the bird's feet are 3.9 cm apart. What is the potential difference between th
A rhinoceros is at the origin of coordinates at time . For the time interval from to = 10.5 , the rhino's average velocity has x-component -3.20 and y-component 4.80 . How far is the rhino from the
A positively charged bead having a mass of 1.00 g falls from rest in a vacuum from a height of 7.50 m in a uniform vertical electric field with a magnitude of 1.00 multiplied by 104 N/C. The bead h
Determine the hang time of a whitetail deer making a jump with center of mass elevations yi = 1.20 m, ymax = 2.50m, yf = 0.700m.
What is the magnetic potential energy of a 2cm diameter circular loop carrying a 1A current when placed in a 2T uniform magnetic field after reaching its equilibrium?
A beam of neutral hydrogen atoms with a speed of 10^4 m/s along the x-axis enter a 1m long region with a magnetic field. The gradient is 0.01T/m and its dipole moment is 9.27x10^-24 J/T. FInd the ac
Suppose three point charges are arranged as shown in the figure below. A charge q1 = +1.5 µC is located at the origin of an x-, y-coordinate system; a second charge q2 = -0.64 µC is loca
A batted baseball leaves the bat at an angle of 35.0 degrees above the horizontal and is caught by an outfielder 370 ft from home plate at the same height from which it left the bat. What was the in
An object is released from rest on a planet that has no atmosphere. The object falls freely for 3.79 m in the first second. What is the magnitude of the acceleration due to the gravity on the planet
An isolated conducting sphere has a 9 cm radius. One wire carries a current of 1.000 002 0 A into it. Another wire carries a current of 1.000 000 0 A out of it. How long would it take for the sphere
Two displacement vectors of magnitudes 21 cm and 79 cm are added. Which one of the following is the only possible choice for the magnitude of the resultant?
During this time, three forces act on the boat: a 33.3-N force directed 17.0 ° north of east (due to an auxiliary engine), a 20.3-N force directed 17.0 ° south of west (resistance due to the
How much charge is on the surface of the glass disk? (give amount, including sign, and correct units)
Two cars A and B approach each other at an intersection. Car A is traveling south at 20 m/s, while car B is traveling east at 17 m/s. What is the velocity of car A as described by the passengers in
There is a current of 0.40 A flowing through a light bulb when it is connected to a 12.0 V battery. (a) What is its resistance? (b) How much power does it use? (c) How much charge passes through it
A small object is released from rest and falls 1.00 × 102 feet near the surface of the earth. Neglect air resistance. Approximately how fast will the object be moving after falling through the
An infinitely long line of charge has a linear charge density of 6.50 × 10-12 . A proton is at distance 14.0 from the line and is moving directly toward the line with speed 1900 . How close does