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A 10.4-g bullet is fired into a stationary block of wood having mass m = 5.03 kg. The bullet imbeds into the block. The speed of the bullet-plus-wood combination immediately after the collision is 0.604 m/s. What was the original speed of the bullet?
Which object posses more gravitational potential energy: a 2-kilogram ball at 2.2 meters above the ground or a bullet that is .15 kilograms at a height of 74 meters above ground
An inductor (L = 400 mH), a capacitor (C = 4.43 ?F), and a resistor (R = 500 ?) are connected in series. Calculate the required peak voltage
A clean copper surface is exposed to light of wavelength 275 nm. What is the maximum speed of the photoelectrons emitted from this surface? Use the table below copper=4.7eV.
What is the electric potential difference between two points that are 3.00 cm and 5.00 cm from a proton
The terminals of a 0.900V watch battery are connected by a 90.0?m?long gold wire with a diameter of 0.200mm, compute the current in the wire
Consider a Boeing 777-200 airplane of wing span 60.93 m cruising horizontally at Mach 0.785 (about 828 km/h) due north in a region where the earth's magnetic field is .98*10
The Balmer series in atomic hydrogen is the series of wavelengths emitted by the electron when it makes a transition from an energy level with n > 2 to the n = 2 level, Find the four largest wavelengths in the Lyman series
A rock is dropped off the side of a bridge and hits the water below 5.7 s later. What was the rock's velocity when it hit the water
A 50.0 kg skier is at the top of a slope. At the initial point at the top is 25.0 m vertically above point at the bottom. find the change in Potential energy of the skier-Earth system as the skier goes from top to bottom
On a workday the average decibel level of a busy street is 74 dB, with 100 cars passing a given point every minute. what is the decibel level of the street
A wheel is spinning clockwise at a 10 revolutions per second at t = 0. Due to friction in the bearings supporting the axle, the wheel slows down, losing 0.500 revolutions per second in angular velocity each second, until it comes to rest.
An old Chrysler with mass 2300 kg is moving along a straight stretch of road at 89 km/h. How fast (in km/h) is the center of mass of the two cars moving
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