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A 122 cm length of string has a mass of 1.70 g. It is stretched with a tension of 6.60 N between fixed supports. What is the lowest resonant frequency (first harmonic, fundamental) of this string? And the frequency of the second harmonic for this string?
A motorist travels for 3.0h at 80.0 km/h and 4.0 h at 60.0km/h. What is her average speed for the trip
When the tire surface is rotating at the maximum speed of 12 m/s stone flies out of the tread. The magnitude FN of the normal force that each side of the tread channel exerts on the stone is 1.8 N. suppose that only static friction supplies centripet..
Determine the angle of deviation between two rays emerging from the Wollaston prism constructed of calcite and with the wedge angle of 45 degrees
a 320-kg car is moving at 25.0 ms. suddenly after the breaks are hit to lock the wheels it comes to a screeching stop
A) How fast should the car be traveling just as it leaves the cliff in order to just clear the river and land safely on the opposite side? B) What is the speed of the car just before it lands safely on the other side?
Approximately how many volts above the threshold voltage is the normal operating voltage of the Geiger tube, and why is the operating voltage selected this way?
The closest star to our solar system is Alpha Centauri, which is 4.30 light years away. How much time would elapse on a clock on the Earth
While surveying a cave, a spelunker follows a passage 190{\rm m} straight west, find the magnitude and direction of the fourth displacement
Assuming no heat loss to the surrounding environment, determine the minimum duration of time necessary for a 100 W aquarium tank heater to raise the temperature of 20.0 gallons of water by a difference of 10.0°C.
An ideal gas is confined to a container with constant volume. The number of moles is constant. By what factor will the pressure change if the absolute temperature triples
A shell is fired with a horizontal velocity in the positive x direction from the top of an 80-m high cliff. Determine the initial speed of the shell
A speeding motorist traveling 105km/h passes a stationary police officer. The officer immediately begins pursuit at a constant acceleration of 12km/h/s (note the mixed units).
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