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A 1150 kg car rolling on a horizontalsurface has speed v = 50 km/h when it strikes a horizontalcoiled spring and is brought to rest in a distance of 2.2 m. What is the spring stiffness constant of the spring?
N/m
A photon with wavelength λ is completely absorbed by a particle traveling at 0.5c in a head-on collision. After the collision, the particle is still moving in its original direction, but its velocity has dropped to 0.3c. Find the change in mass of th..
Monochromatic light of wavelength 692 nm is incident on a narrow slit. On a screen 2.81 m away, Calculate the angle of diffraction of the second minimum
A single circular loop of radius 0.53 m carries a current of 3.2 A in a magnetic field of 0.95 T. What is the maximum torque exerted on this loop
Calculate the energy of each of the two photons produced from electron-positron pair annihilation when the electron and positron were nearly at rest
Unexpectedly, is about the similar for the muscles of all animals and has the numerical value of in SI units.
A man normally consumes 8.4 MJ of food energy per day. He then begins running a distance of 9four times per week. how much more food energy should he consume daily in order to maintain constant weight
The air inside a bicycle tire pump has 60 joules of work done on it as 20 joules of heat is conducted away from it. What is the change in internal energy of the air
Determine the voltage at the motor terminals - mesh analysis with one loop including the source
q1. a certain elevator cab has a total run of 171 m and a greatest speed is 4.75 msec and it accelerates from rest and
An air puck of mass m1 = 0.21 kg is tied to a string and allowed to revolve in a circle of radius R = 0.8 m on a frictionless horizontal table. What is the horizontal force acting on the puck
A car sounding its horn (rated by the manufacturer at 600 Hz) is moving at 20 m/s toward the east. What frequency will he hear the assuming that the speed of sound is 343 m/s
A pair of slits, separated by0.150mm, is illuminated by light having a wavelength of?=586nm. What is the path difference for the two slits at the locationy
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