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A package of mass m is released from rest at a warehouse loading dock and slides down a 3.0-m-highfrictionless chute to a waiting truck. Unfortunately, the truck driver went on a break without having removed the previous package, of mass 2 m, from the bottom of the chute. Suppose the packages stick together. What is their common speed after the collision? Suppose the collision between the packages is elastic. To what height does the package of mass m rebound?
A block is pushed up a 20.0 (degrees) frictionless incline with an initial speed 12.0 m/s. How much time does it take to return to its starting position
A tennis player places a 40 kg ball machine on a frictionless surface, as shown below. The machine fires a 0.052 kg tennis ball horizontally with a velocity of 30.6 m/s toward the north. What will be the final velocity of the machine.
A cardinal (Richmondena cardinalis) of mass 4×10-2 kg and a baseball of mass 0.143 kg have the same kinetic energy. What is the ratio of the cardinal's magnitude p_c of momentum to the magnitude p_b of the baseball's momentum.
It has been claimed that an insect called the froghopper (Philaenus spumarius) is the best jumper in the animal kingdom, What is the velocity of the insect after it has accelerated through this short distance
A skier is gliding along at 4.3m/s on horizontal, frictionless snow. He suddenly starts down a 10? incline. His speed at the bottom is 10m/s, What is the length of the incline
Your spaceship lands on a planet that has a gravitational force whose magnitude is 1/5th of Earth's gravitational force. If you weigh 800 N on Earth
A converging lens (f = 14.9 cm) is located 24.6 cm to the left of a diverging lens (f = -7.07 cm). Locate the final image of the stamp relative to the diverging lens
Calculae the flow rate ( in grams per second) of blood in the aorta if the flow speed is 42 cm/s.
Consider a string with length 36 cm. The two ends are attached to the ceiling, separated by distance 30.0 cm. Determine the tension in the right segment of the string
Calculate the y-component of the magnetic force. How fast must the candy bar travel to have the same joules in the form of kinetic energy.
An air-track glider attached to a spring oscillates between the 8.00 mark and the 69.0 mark on the track. The glider completes 10.0 oscillations in 40.0. What is the maximum speed of the glider
A ball is thrown directly downward with an initial speed of 8.60 m/s, After what time interval does it strike the ground
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