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The drawing shows a collision between two pucks on an air-hockeytable. Puck A has a mass of 0.0190 kg and is moving along the xaxis with a velocity of +4.63 m/s. It makes a collision with puckB, which has a mass of 0.0380 kg and is initially at rest. The collision is not head-on. After the collision, the two pucks flyapart with the angles shown in the drawing. Find the speed of (a)puck A and (b) puck B.
A uniform bar balances 26.6 cm from one end. When a 0.740 kg mass is hung from that end, What is the mass of the bar
a frictionless inclined plane with angle of inclination theta is fixed to the floor of a train car accelerating in the
A man throws a 0.200kg rock off the top of a 50.0m cliff at an angle of 40.0 degrees above the horizontal. What is the kinetic energy of the rock
Four equal point charges, Q, are fixed at the corners of a square of side b. (a) What istheir total electrostatic potential energy? (b) How much potential energy will a fifth charge, Q, have at the center of the square (relative to V=0 a r =∞)?
A lab technician is testing new energy drink formulations on a series of hamsters. The hamsters are given a certain amount of the beverage, and then placed on exercise wheels to observe their energy levels. Due to poor planning, however, each exercis..
Monochromatic light is incident on a diffraction grating and the first maximum is observed at an angle 5.2 degrees. At what angle is the 4th maximum seen
The average density of the planet Pluto is 2357 kg/m3. The acceleration of gravity on its surface is 0.76 m/s2. Calculate the average radius of Pluto
A particular race car can cover a quarter-mile track (402m)in 6.40s starting from a standstill. what horizontal force must the road exert on the tires
When a parachute opens, the air exerts a large drag force on it.This upward force is initially greater than the weight of the skydiver and, thus, slows him down. Suppose the weight of the skydiver is 902 N and the drag force has amagnitude of 1030..
A 23-g bullet traveling 270m/s penetrates a 2.2kgblock of wood and emerges cleanly at 215m/s. how fast does it move after the bullet emerges
What is the CD's moment of inertia for rotation about a perpendicular axis by the edge of the disk.
A projectile is red with an initial speed of 65:2 m/s at an angle of 34.5 degrees above the horizontal on a long at ring range. Determine The total horizontal distance covered
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