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An unloaded Hummer has a standard ground clearance of 40cm, and an unloaded mass of 2000kg. The current ground clearance is 30cm. Imagine you drive over rocks placed 30meters apart at 20m/s.
a) What is the frequency at which you are hitting the rocks?
The hummers shocks act like springs(F=-kx), and the frequency found in (a) is the resonant frequency, the same as the natural frequency of the springs.
b) What is the total mass of the hummer?
c) What is the amplitude of the bounce you need to clear 50cm?
d) Do you clear 50cm?
A group of hikers hears an echo 5 s after shouting. If the temperature is 16.0°C, how far away is the mountain that reflected the sound wave.
The box is taken up a mountain where the air pressure outside the box is 8.00 104 Pa. The inside of the box is completely evacuated. Elucidate the magnitude of the force required to pull the lid off the box?
A motorist inflates the tires of her car to a pressure of 170 kPa on a day when the temperature is -8.0°C. What is the temperature of the tires
A carbon dioxide laser emits a sinusoidal electromagnetic wave that travels in vacuum in the negative x-direction, Write vector equations for E and B as functions of time and position
Consider an AC power supply that provides a voltage of 27sin(119t)volts, where t is in seconds. The power supply is hooked up to a 195 resistor. What is the mean current through the resistor
All through an experiment, a block of wood with a mass of 250 g is placed on an inclined plane. While the plane is raised to an angle of 43o, the block slides down the plane at a constant speed.
q1. a 35 g horizontal metal bar 11 cm long is free to slide up and down between two tall vertical metal rods. a
An electron in a television tube travels the 22 cm distance from the grid to the screen at an average speed of 7.00 107m/s. How long does the trip take
A wave has the following properties: amplitude = 0.559 m, period = 0.801 s, wave speed = 13.9 m/s. What is the equation for the wave
A rectangular container measuring 24 cm 48 cm 55 cm is filled with water. What is the mass of volume of water in kilograms.
Estimate the terminal speed of a wooden sphere (density 0.810 g/cm3) falling through air, if its radius is 8.00 cm and its drag coefficient is 0.500. (The density of air is 1.20 kg/m3.)
Calcualte the radiation dosage (in rads) for a 67-kg person that is exposed to 6.0 seconds to a 3.0 Ci source of beta radiation.
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