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Consider a hammer with a 1.2-kg head. Let it strike the head of a 12-g iron-alloy nail 16 times in a row, quickly. Each time, the hammer head strikes with a speed of 6.5 m/s and is brought to rest. Assuming the nail absorbs all of the hammer head's energy, estimate the temperature rise (in degrees Celsius) of the iron nail. The specific heat of the iron alloy is 450 J/(kg-C).
A hot wheels track has a spring loaded launcher. A 100g car is pushed into the launcher, which compresses the spring by 2cm. The cars initial velocity after launching is 3m/s.
Obtain a relation between the equilibrium lattice distance
A double slit experiment produces 25 highlight spots with total distance y = 21cm, What is the wavelength of the laser source
Why does the base of a shuttle cock always lead in motion when hit with a racket. what is grocery carts final speed.
Then, a thin conducting wire connects the spheres, redistributing the charge on each sphere. When the wire is removed the spheres still repel but with a force of F2 = 0.100 N. Using this information, find the initial charge on each sphere, q1 and ..
The "size" of the nucleus in Rutherford's model of the atom is about 1.00 fm = 1.00E-15 m. Determine (in MeV) the electrostatic potential energy of the pair of protons
You have a battery marked 6.00 V.When you draw a current of 0.245 A from it, the potential difference between its terminals is 5.13 V
A package is dropped from a passing plane (moving in the horizantal direction) and produces a projectile motion as it is falling to the ground. If it takes the package only 32.12 seconds until it hits the ground, how far above the ground was the plan..
How numerous revolutionsthe wheel have made through the time
If the string is 9.50 m long, has a mass of 55g and is pulled taut with a tension of 9.5 N, how much time does it take for a wave to travel from one end of the string to other.
Suppose Fuzzy, a quantum-mechanical duck, lives in a world in which h = 2πJ • s. Fuzzy has a mass of 2.00 kg and is at first known to be within a pond 1.00 m wide.
A simple circuit is set up that only consists of a 12 V battery connected to a light bulb with a resistance of 9 Ohms. What current flows through the light bulb
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