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A monatomic ideal gas with initial pressure 1.2*105 Pa and initial volume of 0.5 m3 expends isothermally to a volume of 1.8 m3. What amount of thermal energy is transferred to the gas during this progres?
A car changes it speed from rest to 12 km/hr in 4sec .If the mass of the car is 2000 killograms what is the net force acting on the car
A student, starting from rest, slides down a water slide. On the way down, a kinetic frictional force (a nonconservative force) acts on her. how fast is the student going at the bottom of the slide
a piano has been pushed to the top of the ramp at the back of a moving van. the workers think it is safe but as they
when the e sting of a guitar which has a frequency 330hz is plucked the sound intensity decreases by a factor of 2
A 1000-N uniform beam is attached to a vertical wall at one end and is supported by a cable at the other end. A 1960-N crate hangs from the far end of the beam.
A 1.7m -long barbell has a 21kg weight on its left end and a 32kg weight on its right end. What is the torque due to gravity about the left end of the bar
A tennis player swings her 1100 gram racket with a speed of 11 meter per second. Obtain how fast is her racket moving immediately after the impact
A crate of mass 10.2 kg is pulled up a rough incline with an initial speed of 1.60 m/s. What is the change in kinetic energy of the crate
A child sits on the edge of a spinning merry-go-round that has a radius of 2.2 m. The child's speed is 4 m/s. What is the child's acceleration
A rifle with a weight of 25 N fires a 6.0 g bullet with a speed of 260 m/s, Find the recoil speed of the rifle
Multiple-Concept Example 3 provides some pertinent background for this problem. Suppose a single electron orbits about a nucleus containing two protons (+2e), find the magnitude of the electron's centripetal acceleration
A 5.7 kg block attached to a spring executes simple harmonic motion on a frictionless horizontal surface. What is the amplitude of the motion
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