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Two balls of equal mass collide and travel off in different directions as shown. Assume the red (inicident) ball leaves at an angle of 60ofrom it's initial direction of motion and the green (originally stationary) ball leaves at an angle of 30o. (Note: The figure is not drawn to scale.) If the initial velocity of the red ball is 4.0 m/s, what is its final velocity?
Calculate the terminal velocity for a pollen grain falling through the air using the drag force equation. Assume the pollen grain has a diameter of 7 µm and a density of 0.7 g/cm3
A bottle of saline solution (with a specific gravity of 1.02) is attached to a 1.2 m long piece of tubing with a 1.0 cm inner diameter. If the tubing is held vertically, filled with saline, and clamped at the bottom, (a) what is the gauge pressure at..
Sunlight strikes a piece of crown glass at an angle of incidence of 30.0 degrees. Calculate the difference in the angle of refraction between a red (660.0 nm) and a blue (470.0 nm) ray
A small object is 10 cm to the left of a converging lens (f = +5 cm), Find the position and magnification of the final image by calculation
What are the magnitudes of the (a) impulse and (b) average force on the passenger during the collision? If the passenger were to jump upward with a speed of 6.00 m/s relative to the cab floor just before the cab hits the bottom of the shaft, what ..
In a head-on collision, the car stops in 0.279 from a speed of 16. The driver has a mass of 68, and is, fortunately, tightly strapped into his seat. What force is applied to the driver by his seat belt during that fraction of a second.
A solenoid is made by wrapping a wire so that it makes a solenoid (coil) having 500 turns of diameter 8.00 cm and length 40.0 cm. Find the inductance of this solenoid
Two thermally insulated reservoirs each contain 2 kg of water at temperatures of 80 °C and 20 °C respectively, Determine the find equilibrium temperature and find the change in entropy of the local universe in the mixing process
An isotope of the element Thallium, Tl-206, undergoes beta decay with a half life of 3.1 minutes. what mass of the isotope will be left after 9.3 minutes have elapsed
The heating coil of a hot-water heater has a resistance of 20.0 and operates at 210 V. If electrical energy costs $0.080/kWh, what does it cost to raise 290 kg of water in the tank from 15 °C to 74° C.
q1. light of wavelength 408 nm in air enters a fishbowl filled with water and then exits through the crown-glass wall
A narrow beam of light with wavelengths from 450 nm to 700 nm is incident perpendicular to one face of a 32.00, What is the angular spread of the beam after passing through the prism
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