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Object 1 has a mass 8.62 and is moving to the right at 15.3 m/s. Object 2 has a mass 5.93 and is moving to the left at 12.2 m/s. What is the total momentum of the system in kg m/s? (Assume motion to the right is positive and all variables are known to 3 significant figures).
a 1.15 kilo ohm resistor and a 1.2 nanof capacitor are connected in series to a 1250 hz generator with an rms voltage
The gravitational force exerted on a baseball is 2.14 N down. Through what distance does it move before its release
a golfer imparts a speed of 26.7 ms to a ball and it travels the maximum possible distance before landing on the green.
A scuba diver takes a tank of air on a deep dive. The tank's volume is 10 L and it is completely filled with air at an absolute pressure of 222atm at the start of the dive
The National Museum of Photography, Film & Television, in England, has a huge converging lens with a diameter of 1.37 m and a focal length of 8.45 m. What is the image magnification
The angular momentum of a flywheel having a rotational inertia of 0.647 kg·m2 about its central axis decreases from 6.30 to 0.880 kg·m2/s in 3.00 s. How much work is done on the wheel
Two identical small metal spheres with charges of q and 4q are separated by 1.0m. a) Determine the sign, magnitude and position of a third charged object that causes all three objects to remain in equilibrium (to remain at rest). Show your work an..
Sodium forms the compounds Na2S, Na3N, and NaHCO3. What are the formulas for lithium sulfide, lithium nitride, and lithium hydrogen carbonate? Consider the element magnesium. Which statement is true?
Three point charges, +q, +Q and -Q, are placed at the corners of anequilateral triangle and no other charged objects are nearby. What is the direction of the net force on charge +qdue to the other two charges?
A spinning disk has a moment of inertia about its center equal to !.00 kgm^2. A 4.0 kg mass is placed at the outer edge, 0.50 m from the axis. What is the new rotational inertia
A double-concave lens has equal radii of curvature of 15.1 cm. An object placed 14.2 cm from the lens forms a virtual image 4.94 cm from the lens. What is the index of refraction of the lens material
A bullet of mass m= 0.0230 kg is fired along an incline and imbeds itself quickly into a block of wood of mass M= 1.30 kg. find the speed of the bullet just before it hits the wood
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