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Consider two balls colliding in the absence of external forces. One ball has a mass of 5kg and the other of 7kg. Ball #1 had speeds of 1 m/s and 10 m/s before and after the collision which lasted 0.2 seconds. Compute the average (over time) of the contact force between the two balls
(hint: Utilize the momentum-impulse theorem)
The maximum gauge pressure in a hydraulic lift is 17.0 atm. What is the largest size vehicle(kg) it can lift if the diameter ofthe output line i9s 28.0cm
As they go around, they experience a centripetal acceleration of 2.20 . What is the diameter of this particular Ferris wheel
q1. one closed organ pipe has a length of 2.55 m.a what is frequency of the note played by this pipe?b when a second
An arbitrary mass of 0.200 kg is connected to a light spring with force constant 5 N/m and is free to oscillate on a horizontal, frictionless surface. What is the maximum speed of the mass
ultraviolet light with a wavelength of 60nm shines on a gas of hydrogen atoms in their ground states. some of the atoms
a convergent lens has a focal length of 7cm. a 2cm tall image forms 30cm from the lens.a how far is the magnification?b
During the "heavy bombardment" period of our solar system astroids slammed into earth with large speeds thus resluting in earth becoming warmer. What form did the energy take before it was heat
a wheel 2cm wide with a 3.5cm radius is being spun at a constant velocity "w" by a static force "F", how much work is being 'lost' through the bar
a man walks westward on ship with a speed of 4km/hr. the ships propeller drives it 15km/hr south. what is the actual speed of the man relative to earth
The intensity of the electromagnetic radiation from the Sun when it reaches the Uranus' surface is approximately 4 W/m2. What is the amplitude of the associated magnetic field
When only a resistor is connected across the terminals of an ac generator (102 V) that has a fixed frequency, there is a current of 0.495 A in the resistor. calculate the impedance of the series combination
a laser beam with a wavelength of 524 nm is exactly perpendicular to a screen having two narrow slits spaced 0.150 mm
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