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Problem: Unless otherwise stated, all objects are located near the Earth's surface, where g = 9.80 m/s2. A gun is fired and a 60g bullet is accelerated to a muzzle speed of 130m/s.
Part A: If the length of the gun barrel is 0.90 m, what is the magnitude of the accelerating force? (Assume the acceleration to be constant.)
I need help to find the magnitude of the accelerating force.
At a reception, a 0.5 kg chunk of ice at -10 degres Celsius is placed in 3.0 kg of "iced" tea at 20 degrees Celsius. At what temperature and in what phase will the final mixture be
An object weighing 307 N in air is immersed in water after being tied to a string connected to a balance. The scale now reads 270 N. Immersed in oil, the object weighs 282 N. compute the density of the object.
The coefficient of static friction between the ladder and the ground is 0.55, and the ladder makes a 50.0° angle with the ground. Explain how far up the ladder can an 720 N person climb before the ladder begins to slip?
two point charges are fixed on the y-axis equal distance but opposite side. a charge of q is located at ya and a charge
Say the electrical company needs to step down the voltage from 7200V RMS in the power line behind your house to the required 120V RMS, how many loops must be on the secondary side
An air-filled parallel-plate capacitor has an area of 1.4 m2 and a capacitance of 2.2 nF. determine the electric field inside the plates
A spring is hung vertically and has a length of 50 cm when no mass is on it. What is its spring constant
What will the maximum kinetic energy of the photoelectrons ejected from magnesium (for which work function (line through 0) 0=3.7 eV) when irradiated by ultraviolet light of frequency 1.5 X 10^15 sec^-1
The speed of an alpha particle is determined to be 1.55×106 m/s. If all of its kinetic energy is acquired by passing through an electric potential, What is the magnitude of that potential
A parallel-plate air capacitor has a capacitance of 400pF and a charge of magnitude 0.150\muC on each plate. The plates are 0.600mm apart. What is the electric-field magnitude between the plates
a small plastic sphere with a charge of -7.5 nc is near another small plastic sphere with a charge of 11 nc. if the
A light, flexible cable is wrapped around a solid cylinder with mass 3.5 kg and radius 0.8 meters.
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