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It is claimed that if a lead bullet goes fast enough, it can melt completely when it comes to a halt suddenly, and all its kinetic energy is converted into heat via friction. Find the minimum speed of a lead bullet (initial temperature = 29.0° C) for such an event to happen? (Use Lf = 2.32 104 J/kg and melting point = 327.3° C.)
A 24.0 kg child plays on a swing having support ropes that are 2.20 m long. How fast will she be moving at the bottom of the swing
A 0.11- kg block on a wooden table is given a sharp blow with a hammer. The block then slides across the table to a stop. How far does the block go
Two equally charged particles, held 22.4 cm apart, are released from rest. The initial acceleration of the first particle is observed to be 4.0 m/s2 and that of the second particle is 6.0 m/s2. If the mass of the first particle is 3.40 x 10-7 kg, ..
A single slit forms a diffraction pattern, with the first minimum at an angle of 40.00 (degree) from central maximum, What is the wave length of this new light
Calculate the wavelength of light in vacuum that has a frequency of 7.8 108 Hz. and What is its wavelength in carbon tetrachloride
When an object is 15.5cm from a lens, an image is formed 14cm. from the lens on the same side as the object. Is it erect or inverted
In a non-uniform gas, the equation of state is valid locally, as long as the density does not change too rapidly with position. Consider a column of ideal gas under gravity at constant temperature. Find the density as a function of height, by bala..
A 2.3 106-kg spaceship moves away from Earth with a speed of 0.37c. find the magnitude of the ship's classical momentum
A tank holds 182 moles of argon gas (atomic mass = 6.633521 × 10-26 kg) at a pressure of 101300 Pa and a temperature of 308 K. How much kinetic energy is contained in this gas
A skateboarder of mass 60.1 kg is riding her 3.89-kg skateboard at a speed of 5.21 m/s. She jumps backward off her skateboard, sending the skateboard forward at a speed of 7.53 m/s.
A skier of mass 50 kg is moving at speed 10 m/s at point P1 down a ski slope with negligible friction. What is the skier's kinetic energy
Why does a shirt or blouse taken from a clothes dryer sometimes cling to your body?
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