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How does the frequency of harmonic motion change if we take a spring of seven times the modulus, increases or decreases by a factor of how much? Explain.
A 13g bullet traveling 223m/s penetrates a 2kg block of wood and emerges cleanly at 160 m/s. If the block is stationary on the frictionless surface when hit, how fast (m/s) does it move after the bullet emerges.
Resistance and potential difference in an electrical circuit.
The blue ball moves at an angle of -35° and a velocity of 2.1 meters/second. What is the final y-momentum of the system?
Compute the average acceleration of car and lizard and the final velocity of a Ferrari.
An asteroid is discovered heading straight toward Earth at 13 km/s. An international team manages to attach a giant rocket engine to the asteroid. The rocket fires for 10 min, after which the asteroid is moving at 26 degree to its original path at..
If a mass of 1 kg is accelerated 1 m/s2 by a force of 1 N, illustrate what would be the acceleration of 10 kg acted on by a force of 20 N?
One mole of a monatomic gass initially at 273 K and 1 atm is compressed isothermally (T constant) from volume 22.4 L to 11. 4 L, Find the final pressure and draw a PV diagram, Labeling the initial and final states 1 and 2
A 246 kg wooden raft floats on a lake. as a 85 kg man stands on the raft, it sinks 5.0 cm deeper into the water. When he steps off, the raft vibrates for a while.
If the car starts at height h= 3.00 R and the radius is R_1 = 24.0 m, compute the radial acceleration of the passengers while the car is at point C, which is at the end of a horizontal diameter.
Sketch complete free body force diagrams for each crate. A person with his ear to the ground sees a huge stone strike the concrete pavement a moment later 2 sounds are heard from an impact one travels in the air and the other in concrete.
The critical angle for a special type of glass in air is 41.8. The index of refraction for water is 1.33. What is the critical angle if glass is immersed in water.
A toy car with mass of m=166 GRAMS crashes into a spring with constant k=45 N/m. If the car was going v=1.5 m/s, then how far will the spring compress.
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