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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 copper transmission cable 140 long and 11.5 in diameter carries a current of 145. What is the potential drop across the cable
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A tennis player hits a 1.45 kg tennis ball with a racket of mass 2.5 kg. what impulse did he imply on the ball
A 22.0 microF capacitor and a 5.30 mH inductor are connected in series with an open switch. What is the angular frequency of the charge oscillations in the capacitor after the switch is closed
An automobile tire is inflated with air originally at 10.0°C and normal atmospheric pressure. What is the tire pressure
A speedboat moving at 33.0 m/s approaches a no-wake buoy marker 100 m ahead. The pilot slows the boat with a constant acceleration of ?3.20 m/s2 by reducing the throttle. (a) How long does it take the boat to reach the buoy? (b) Find the total tim..
A cord of length 1.2 m is fixed at both ends. Its mass per unit length is 1.1 g/m and the tension is 11 N. What is the frequency of the fundamental oscillation
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Kingbird Corporation made a contribution to a qualified charitable organization of $6,300 in cash (not comprised in any of the above items). Determine Kingbird's charitable contribution deduction for the current year.
A variable force of the form F=3x2 + 2x + 5 N acts on a 2 kg object as it moves from x = 2 m to x = 3 m. How much work is done by this force
Astronauts put their spaceship into orbit about a planet. How far above the planet's surface are they orbiting
A solid sphere with a radius of 75 mm rolls (without slipping#) down from rest along an inclined plane that is 5 m long. What angle does the plane make with the horizontal
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