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A 3.0 kg mass collides and sticks to a 5.0 kg mass connected tothe end of a string. If the masses move to a position 18.0 cm aboveequilibrium , what is the initial speed of the two mass system?
a girl uses a jump rope made of flexible wire. she holds the ends of the rope in extended hands, What is the amplitude of oscillation of this alternating emf
What is the net force of a 2.0 N force and an 6.0 N forceacting on an object for each of the following conditions? The forces act in opposite directions.-------N
A satellite is in a circular orbit about the earth (ME = 5.98 1024 kg). The period of the satellite is 3.70 104 s. What is the speed at which the satellite travels
When four people with a combined mass of 340 kg sit down in acar, they find that the car drops 0.90 cm lower on its springs. What is the frequency of the car's vibration
Sodium light (589.3 nm) from a narrow slit illuminates a Fresnel bi-prism made of glass of refraction index 1.5. What is the biprism angle
a simple harmonic oscillator consists of a 100 g mass attached to a spring whose force constant is 104 dyne cm. the
A uniform ball with a mass of 125 is rolling without slipping along the horizontal surface of a table with a speed of 4.5 m/s, What is the rotational kinetic energy of the ball
A lens system consists of two lenses 48.5 cm apart. The first lens is convex (converging) and has a focal length of 25.22 cm. What is the focal length of the second lens
a truck is traveling at 11.1 ms down a hill when the brakes on all four wheels lock. the hill makes an angle of 14.0deg
A lamp (R = 154 Ω), anelectric heater (R = 24Ω), and a fan (R = 48Ω) are connected in parallel across a 117 V line. What total current is supplied to the circuit?
A 'clicker' is sounding at 12 Hz. If you are moving towards the 'clicker' at 29 m/sec, what frequency do you hear instead
Light rays in a material with index of refrection 1.25 can undergo total internal reflection, Find this material's index of refraction when the required critical angle is 67.9°
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