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A diffraction grating with 305 lines/mm is 1.00 m in front of a screen. What is the wavelength of light whose first-order maxima will be 15.4 cm from the central maximum on the screen?
You are on a mysterious planet and notice that a 4.8 m long simple pendulum has a period of 2.6 s. Determine the planet's acceleration due to gravity.
The wooden box is sitting on a spring scale which fully supports it. What is the reading of the spring scale while the pellet is freely falling inside the box?
A solid sphere (M=2.0 kg and R=0.5 m) is rolling without slipping on a horizontal surface at speed vcm=4.3 m/s. What is the total kinetic energy of the sphere at the bottom of the incline?
A particular ideal solenoid has 1200 turns/m, a radius of 10 cm, and a current of 4.0 A. An electron is fired from the axis of the solenoid in a direction perpendicular to the axis. What is the maxi
Place a test lead in one of the big lab magnets and plug both ends in the voltmeter so that it measures voltage on the 200m scale, the millivolt scale. Then the lead will be pulled out. Explain wha
When the object is completely submerged in ethyl alcohol, its apparent weight is 15.0 N. When completely submerged in water, its apparent weight is 14.0 N. What is the volume of the object?
I am driving down the interstate at a brisk rate of 53 miles per hour. What should the radius of my tires be so the tires would have an angular velocity of 100 revolutions per minute?
During Takeoff an airplanes angle of ascent is 18 degrees and its speed is 275 feet per second. Find the planes altitude after 1 minute and how long it will take the plane to ascend to 10,000 feet.
Explain the significance of RH in a hall sensor and, using the hall sensor, how would you prove that the charges that move in the conductor are actually electrons?
The center of mass of the pendulum rises a vertical distance of 16 cm. Assuming that the bullet remains embedded in the pendulum, calculate the bullet's initial speed?
A spacecraft in an orbit about Earth has speed 10000 m/s at a perigee of 7010 km from Earth's center. What is the speed of the spacecraft at apogee of 40100 km?
The distance from the center of the central maximum to the first-order maximum is 3.60 mm. Calculate the slit width.
The pipe radius is 2.80 cm. At the higher point located at y = 2.50 m, the pressure is 1.24 * 10^5 Pa and the pipe radius is 1.60 cm. Find the speed of flow in the lower section.
According to Dr. Einstein, the speed of light is 186,000 miles per second. How far will a radio wave exhibiting the voltage characteristics of a sine wave move through deep space(to the nearest whol
If the transmission axis of the analyzer makes an angle of 40° with the axis of the polarizer, what is the intensity of the transmitted light?
Consider the function y = cos(x-30). At what degree on the x axis in the first period (0 - 360 degrees) will the function exhibit its negative peak amplitude?
How many seconds after launch does the projectile attain maximum height?
A Piece of balsa wood, with density: 0.12g/cm^3, with mass of 30g in air is affixed to alead sinker with a mass of 400g. What will be the apparent mass of this system when immersed in water?
A hollow spherical iron shell floats almost completely submerged in water. The outer diameter is 69.1 cm, and the density of iron is 7.87 g/cm3. Find the inner diameter, in cm.
Find the speed of the large fish just after it eats the small one. How much mechanical energy was dissipated during this meal?
A small diameter, 61-cm long, solenoid has 280 turns and is connected in series with a resistor of 184 Ohm. Calculate the magnitude of the magnetic field in the middle of the solenoid when a vol
A current of 4 A flows through the wire with a uniform current density. Find the magnitude of the magnetic field at a distance of 0.6 cm from the center of the wire.
It is placed in a uniform magnetic field of 62.0mT. The initial angle between the plane of the coil and the magnetic field B is 58.0degrees. What is the magnitude of the torque acting on the coil?
An ac generator with E = Emsin(?dt), is connected to a capacitor with capacitance C. When the current is a maximum, what is the emf (E) of the generator?