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A 15.5 kilogram dog is running northward at 2.98m/s, while a 4.83 kilogram cat is running eastward at 2.54m/s. Their 71 kilogram owner has the similar momentum as the two pets taken together.
Part A. Obtain the direction and magnitude of the owner velocity?
A train with a total mass of 2.4 × 106 kilogram rises 828 meter while traveling a distance of 76 kilometer at an average speed of 7 km/h. Obtain the energy dissipated by friction
A block-spring system oscillates with amplitude of 3.40 cm. The spring constant is 250 N/m and the mass of the block is 0.500 kg. Decide the mechanical energy of the system. Decide the maximum speed of the block.
Two speakers face each other and radiate coherently and in phase. The speakers are separated by a distance of 5.50 m, What is the wavelength of the sound
If air drag is negligibly small, how fast is sequoia cone moving while it reaches the ground if it dropped from the top of a 114 tree.
Quentin is lifting a 10 kg dumbbell by pulling upward on it with a 108.1 N force. What is the acceleration of the dumbbell
2kg block located on an incline plane with an angle of 60 degrees. the Force is a horizontal force. What is the normal force exerted on the block
The muon, with mass mμ=209me, acts as a heavy electron. The muon can bind to a proton to form a muonicatom. Calculate the ionization energy of this atom, and calculate the radius of the muonic atom in its ground state.
King Arthur's knights use a catapult to launch a rock from their vantage point on top of the castle wall, How far from the castle wall does the launched rock hit the ground
A 1300N crate slides 15m down a ramp that makes an angle of 35 with the horizontal. If the crate slides at a constant speed, how much thermal energy is created
The resistance of a conductor is 19.2 ohms at 1.50 degress C and 25.0 ohms 91.0 degress C. What is the temperature coefficient of the resistance
Assuming the Earth's magnetic field averages about 0.50*10^-4 T near the surface of the Earth, estimation the total energy stored in this field in the first 6.5 km above the Earth's surface.
The man hears the sound of the splash 2.8 s after he releases the rock from rest. The speed of sound in air (at the ambient temperature) is 336 m/s. How far below the top of the well is the surface of the water
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