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A laser beam with a wavelength of 524 nm is exactly perpendicular to a screen having two narrow slits spaced 0.150 mm apart. Interference fringes, including a central maximum, are observed on a view
By how much does the rocket's velocity change during this interval?
A block weighing 72.5 N rests on a plane inclined at 25.0° to the horizontal. A force F is applied to the object at 45.0° to the horizontal, pushing it upward on the plane. The coefficients
A solenoid used to produce magnetic fields for research purposes is 2.5m long, with an inner radius of 30cm and 1200 turns of wire. When running, the solenoid produced a field of 1.1T in the center
A dirt bike racer is going up a 45o slope. He and the dirt bike have a combined mass of 184 kg, and the knobby tires give a coefficient of friction of 0.5. The driven wheel produces a force of 3000
Assuming no transfer of heat to or from the surroundings, what is the final temperature (in degrees C) of the system?
One positive charges and one negative charge, both of the same magnitude, are near each other. If we double the amount of charge on both of them while simultaneously doubling the distance between th
A large conducting ball with mass 3 kg has a net charge of +50 C. A smaller conducting ball with mass 2 kg has a net charge of +10 C. You touch the surfaces of the two together. What is the final di
At one instant, the center of mass of a system of two particles is located on the -axis at = 2.0m and has a velocity of (5.0m/s ) . One of the particles is at the origin. The other particle has a m
Two sinusoidal waves with the same amplitude A and frequency f travel in opposite directions along a long string. You stand at one point and watch the string. What is the maximum displacement of the
A 0.1kg ball is attached to a string and whirled around in a circle overhead. The string breaks if the force exceeds 60N. What is the maximum speed the ball can have when the radius of the circle is
A 0.49 copper rod with a mass of 0.18 carries a current of 13 in the positive x direction. Let upward be the positive y direction. What is the magnitude of the minimum magnetic field needed to levit
A 1.8-g balloon is filled with helium gas. When a mass of 4.8 g is attached to the balloon, the combined mass hangs in static equilibrium in midair. Assuming that the balloon is spherical, what is i
If the string were only 1/2 as dense as you found it to be how would the tension have to change in each case to produce the same number of segments (same wavelength)?
A wire with a current of 2.9 A is at an angle of 35.0 degrees relative to a magnetic field of 0.89 T. Find the force exerted on a 2.20m length of the wire.
A block of unknown mass is attached to a spring with a spring constant of 7.50 N/m and undergoes simple harmonic motion with an amplitude of 11.0 cm. When the block is halfway between its equilibriu
The coefficients of static and kinetic friction between the block and the plane are, respectively, 0.359 and 0.156. What value of F will move the block up the plane with constant velocity?
An air conditioner draws 13 A at 220V ac. The connecting cord is copper wire with a diameter of 1.528mm. a) If the total length of the wire is 17 how much power is dissipated in the writing?
Light of wavelength 659.9 nm is emitted by a star. The wavelength of this light as measured on Earth is 660.9 nm. How fast is the star moving with respect to Earth?
A proton Gun fires a proton from midway between two plates, A and B, which are separated by a distance of 0.1m. The proton initially moves at a speed of 150 km/s towards plate B. Plate A is kept at
A solid non-conducting sphere of radius 0.01m has a total charge 5C and a uniform charge distribution. Using Gauss's Law, determine the electric field (as a vector) in the regions r < 0.01m and r
Find the net force (magnitude and direction) acting on a 0.5C charge due to a 3C charge 1.2 meters away at an angle of 30 degrees (counterclockwise from the x-axis) and a -3C charge 2 meters away a