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A 10 kg iron ball rolling at 2 m/s on a horizontal surface strikes a 1 kg wood ball of the same size which was at rest. What is the veloicty of each ball after the collision? Assuming KE was conserved how much of the KE of the iron ball was transferred to the wooden ball?
The sun falls on a concave mirror and forms an image 4.5 cm from the mirror. If an object 22 mm high is placed 12.7 cm from the mirror, where will its image be produced.
you are swinging your younger sister in a horizontal circle of radius 0.80 m. her mass is 21 kg and you arrange it so
A boy throws up a ball 15m/s, how high will the ball go and what is the duration (total time) in the air from throw to catch
You are driving a car that weighs 1500 kg at 50 km/h, How much force would you need to apply on the wheels of your car through the breaks in order to be able to stop short of hitting the cat
Evaluate the critical angles for zircon and ice when surrounded by air. Suppose that λ = 589 nm
A 110 kilogram horizontal beam is supported at each end. A 320 kilogram piano rests a quarter of the way from one end. Determine the vertical force on each of the supports
An infinitely long, uniformly charged line of charge with linear density lamda = .1 C/m lies a distance of .68 m from the center of a sphere with radius .23 m, What is the amount of charge inside the sphere
A cylindrical capacitor has an inner conductor with a radius of 1.2 and an outer conductor with a radius of 3.9 . The two conductors are separated by vacuum, and the entire capacitor has a length of 2.4 .
You are driving east on 8th Street (Tamiami Trail) at a speed of 30 mph. What is the frequency of the siren
Verify the commutative law for addition of vectors. Show that the necessary and sufficient condition for two nonzero vectors Aand B to be perpendicular is that A · B = 0.
A beam of light leaves a polarizer with an intensity of 760 W/m2. It encounters another polarizer rotated 36° relative to the first. Calculate the intensity of the outgoing light
A solid sphere rolls without slipping or sliding along a horizontal surface toward an incline. Calculate the kinetic energy of sphere as it rolls along the horizontal surface
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