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Q1. Using a M110 Sniper she fires 170 g bullet with the velocity of 820 m/s embeds itself into a 20.0 kg chunk of wood initially at rest on the edge of a 1.20 m high table. What type of collision is this? What is the velocity of the block/bullet immediately after impact? What is the x-distance the block/bullet travels while it hits the ground? What is an initial and final energy of the system energy? It takes .005 seconds for the bullet to embed itself into the block. What is an average impact force it experience?
Q2. One mole of a monatomic gas at 433 K is reversibly taken to half of its original volume by an isobaric process. How much work is completed by the gas?
You can turn the crank at a maximum rate of 3 turns per second, but hand crank is connected to the coil through a set of gears that makes the coil spin at a rate 6 times larger than the rate at which you turn the crank. What is the maximum emf you ca..
What is modify in frequency ff - fi
A thin, flexible metal plate attached at one end to the platform, can be used to measure mass. When the free end of the plate is pulled down and released, it vibrates in simple harmonic motion with a period that depends on the mass attached to the pl..
While a roofer is working on a roof that slants at 39.0 degrees above the horizontal, he accidentally nudges his 93.0 N toolbox, causing it to start sliding downward, starting from rest.
Illustrate a new gravitational potential energy
A 75-kg person sits on a 3.7-kg chair. Each leg of the chair makes contact with the floor in a circle that is 1.5 cm in diameter. Find out the pressure exerted on the floor by each leg of the chair; assume the weight is evenly distributed.
A hydrometer is used to measure the specific gravity of liquids. For a sure liquid a hydrometer reading indicates a specific gravity of 1.15. What is the liquid's density and specific weight? State the answer in SI units.
What friction torque is required to reduce angular speed
What is mechanical energy
A rifle with a barrel length of 58 fires an 11 bullet with a horizontal speed of 370. The bullet strikes a block of wood and penetrates to a depth of 15.
You are trying to overhear a juicy conversation, but from your distance of 15m. It sounds like only an average whisper of 20 dB. So you decide to move closer to give the conversation a sound level of 60 dB instead. How close must you come.
What is frequency of the rotational motion for the wheel
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