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You (50 kilogram mass) skate on ice at 4.0 m/s to greet your friend (40 kilogram mass), who is standing still, with open arms. As you collide, while holding each other, find with what speed do you both move off together?
Two thin lenses with a focal length of magnitude 16.5cm , the first diverging, How far from this first lens is the final image formed
When a guitar string is sounded along with a 441-Hz tuning fork, a beat frequency of 4.00 Hz is heard. When the same string is sounded along with a 437-Hz tuning fork, beat frequency is 8.00 Hz. What is the frequency of the string.
two 18.5 kg ice sleds that are placed a short distance apart, one directly behind the other. What are the final speeds of the two sleds
A 11 g bullet is fired horizontally into a 109 g wooden block that is initially at rest on a frictionless horizontal surface and connected to a spring having spring constant 142 N/m. The bullet becomes embedded in the block.
What magnitude point charge creates a 14000 N/C electric field at a distance of 0.230 m, How large is the field at 20.0 m
a bottle of wine known as a squinch contains a volume of 1.1 liters. a bottle known as a serroboam contains 8.5 u.s.
If the coefficient ofkinetic friction between a 35-kg crate and the floor is 0.3, what horizontal force is required to move the crate at a steady speed across the floor
what is the linear speed of the fishing line. The force exerted by the wind on the sails of a sailboat is 300 N north. The water exerts a force of 150 N east. If the boat (including its crew) has a mass of 300 kg, what are the magnitude and directi..
When diving for prey, bald eagles can reach speeds of 200 mph (322 km/h). Suppose a 6.0kg eagle flying horizontally at 322 km/h suddenly grasps, What's the eagle's speed just after grasping the rabbit
what is the horizontal distance x to the base. find the average net force exerted on him in the barrel of the cannon.
A coil with 25 turns of a square shape of 1.80 cm on each side. Find the magnitude and direction of the induced current in the coil
The half life for the alpha decay of uranium 238 is 4.47x10^9 yrs old. Determine the age (in years) of the rock specimen that contains 60% of its original number of Uranium 238 atoms.
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