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1. The speed all electromagnetic waves in empty space is 3.00 x 10^8 m/s. Calculate the wavelength of electromagnetic waves emitted at the following frequencies:
a. radio waves at 88.0 MHz
b. visible light at 6.0 x 10^8 MHz
2. A tuning fork produces a sound with a frequency of 256 Hz and a wavelength in air of 1.35 m.
a. What value does this give for the speed of sound in air?
b. What would be the wavelength of the wave produced by this tuning fork in water in which sound travels at 1500 m/s?
an airplane pilot sets a compass course due west and maintains an airspeed of 214 kmh. after flying for a time of 0.520
An airplane with a speed of 74.9 m/s is climbing upward at an angle of 38.3 ° with respect to the horizontal. Relative to the ground, determine the angle of the velocity vector of the package just before impact
at a particular instant a rock is flying with velocity 5i-4j4k ms relative to the ground. here i j and k are unit
After falling from rest from a height of 35 m, a 0.58-kg ball rebounds upward, reaching the height of 26 m. If the contact between ball and ground lasted 2.5 ms, what average force was exerted on ball.
A block of wood of mass 1.01 kg is initially at rest. With what speed do the block of wood and the bullet move just after the collision
A bicycle rider together with her bike weighs 183 pounds. She climbs a 15 foot hill in 9.2 seconds. What was her average power in watts
A box of mass 52.0 kg is connected to a second box with a mass of 58.0 kg. Both are sitting on a horizontal surface, find the magnitude of the tension in the string between the two boxes
A rocket, initially at rest on the ground, accelerates straight upward from rest with constant acceleration 44.1m/s2. Find the maximum height y max reached by the rocket
the driver of a 1720kg car traveling on a horizontal road at 116kmh suddenly applies the brakes. due to a slippery
You and the friend each drive 47.0 km. You travel at 87.0 km/h; your friend travels at 98 km/h. How long will your friend wait for you at the end of trip.
An undiscovered planet many light years from earth has one moon in a periodic orbit. Calculate the moons radial acceleration
An object is in front of a converging lens (f = 0.370 m). The magnification of the lens is m = 3.60. Through what distance should the object be moved
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