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A 10g lead bullet at 23 degrees celsius slams into a stone wall. Assuming no loss of energy to the environment, how fast must the bullet be traveling if the bullet is to totally melt upon impact? The Melting point of lead is 327.4 degrees Celcius.
A ball thrown upward returns to the same level after 4s in the air. How long would that ball take to reach the same level
Block 1, of mass m1 = 1.70kg , moves along a frictionless air track with speed v1 = 25.0m/s, Find the magnitude pi of the total initial momentum of the two-block system
A car traveling at 21 {rm m/s} runs out of gas while traveling up a 25^circ slope. How far up the hill would it coast before starting to roll back down.
Find the acceleration of the aircraft and express it in multiples of g, free fall acceleration.
Two long, parallel conductors carry currents I1 = 3.10 A and I2 = 5.10 A, both directed into the plane of the computer screen. Find out the magnitude and direction of the resultant magnetic field at a point midway between the wires. (b) Find out the ..
AM radio signals have frequencies between 550 kHz and 1600 kHz (kilohertz) and travel with a speed of 3.0×108m/s. What are the wavelengths of these signals
A 2500 kg car rounds a flat curve of radius 75 m at speed of 80 km/h. if the pavement is icy and the force of static friction is 6000 n, what is the maximum speed the car could safely go around the curve
At what distance from the wire would the magnitude of the magnetic field equal to the strength of the Earth's magnetic field of 5.0 x 10^-5 T?
1) Compute the change in the internal energy of a thermodynamic system under the following scenarios: (i) 50 J of heat added and 40 J work extracted, (ii) 50 J of heat added and 75 J work extracted,
The fringes observed in a double-slit interference experiment when the two slits are illuminated by white light show dispersion of both light and color, how many bright fringes can be seen on the screen
A student shoots spitball at the wall from a height of 1.50 meters. The spitball has an initial horizontal velocity of Vxo, other than has no vertical velocity component. The spitball lands on the ground 8 meters from where it was shot. What is the V..
Two large metal plates of area 1.20m2 face each other. They are 4.8cm apart and have equal but opposite charges on their inner surfaces. The strength of the electric field between them is 63N/C.what is the magnitude of the charge on each plate.
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