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A marksman fires a bullet (mB= 5.00g) horizontally with a velocity of 300.m/s from a rifle (mR= 3.00kg). What is the recoil velocity of the rifle?
The current in a 100 watt lightbulb is 0.770A . The filament inside the bulb is 0.300mm in diameter. What is the electron current in the filament
When a guitar string is sounded along with a 440 Hz tuning fork, a beat frequency of 4 Hz is heard. compute the frequency of the string
Determine the coefficient of kinetic friction between the block & the table.
A 0.20-kg baseball is dropped and reaches a speed of 1.0 m/s just before it hits the ground. What is the change in the ball's momentum
An ideal gas has a pressure of 2.5 atm, a volume of 1.0L at at temperature of 30 degrees Celcius. How many molecules are there in the gas
A damped mass-spring system oscillates at 165 Hz. The time constant of the system is 2.0 s. At t = 0, the amplitude of oscillation is 7.0 cm and the energy of the oscillating system is then 70 J.
Two express trains started 5 minutes apart. Starting from rest, each is capable of a maximum speed of 160km/h after uniformly accelerating over a distance of 2.0 km. How far ahead is the first train when the second one starts
An automobile has a mass of 1710 kg and a velocity of 17.2 m/s. It makes a rear-end collision with a stationary car whose mass is 2220 kg. What is the velocity of the two cars just after the collision
A bicycle is turned upsdie down and has one wheel spinning at 95.0 rpm. The wheel slows uniformly to a stop in 45.0 seconds. What is the angular distance (in rad) traveled during this time
A cube of mass m1 = 6.5 kg is sitting on top of another cube of the same size and mass m2 = 1.1 kg while they are both in free-fall
The amass of the aluminum cylinder is (207.8±0.1)g. Once the cylinder is turned through the numbers of turns as described in Problem 1, Determine the amount of heat that entered the cylinder
A marble rolls down an incline of 30 degrees. If the marble is initally at rest at the top ofthe incline of length 2.0 meters what will the speed of the marble be at the bottom of the incline
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