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1. If the wavelength of visible light was around 10cm instead of 500nm and we could see it, what effect would this have on diffraction and interference?
2. How would figure 9.29 be different if the glass were replaced by water or by a diamond?
3. Indicate whether each of following is a real image or virtual image.
a. Image on the retina in a person's eye.
b. Image one sees in a rear view mirror.
c. Image one sees on a movie screen.
d. Image one sees through eye glasses or contact lenses.
The load across a 12-v battery consists of a series combination of three resistances are 15, 21, and 24 respectively. Draw the circuit diagram. What is the total resistance of the load?
a 2 kg object attached to a horizontal string moves with constant speed in a circle on a frictionless horizontal surface. Find the radius of the circle
a 10-m-by-14-m house is built on a 12-cm-thick slab of concrete. what is the rate of heat loss through the slab if the
what is the coefficient of kinetic friction between the box and the tabletop.
A steel guitar string has a length of 74 cm and thickness of 0.37 mm. It is under 35N tension. Calculate the wave speed in the string. The density of steel rho=7.84 x 10^3 kg/m^3.
A small, 300g cart is moving at 1.40m/s on an air track when it collides with a larger, 5.00kg cart at rest. What is the speed of the large cart after the collision
The period of the moon (the time for a complete revolution) is 27.32 days, Determine the angular velocity of the moon
In order for a middle to achieve a maximum range of 4,000km what would its maximum height be
A model rocket is launched from rest with an upward acceleration of 6.00 m/s^2 and, due to a strong wind, a horizontal acceleration of 1.50 m/s^2. How far is the rocket from the launch pad 6.00s later when the rocket engine runs out of fuel?
question a rotating wheel requires2.90s to rotate through 37.0 revolutions. its angular speed at the end of the2.90s
Two loudspeakers are located 3.15 m apart on an outdoor stage. A listener is 16.3 m from one and 17.4 m from the other. During the sound chek, a signal generator drives the two speakers in phase with the same amplitude and frequency. The transmitted ..
A 37.0 kg child runs with a speed of 2.50 m/s tangential to the rim of a stationary merry-go-round, Calculate the initial kinetic energy of the system
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