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A system consists of two moving objects, each represented by a dot and an arrow in the diagram. What is the magnitude and direction of the net momentum of the system? Express the direction of the net momentum as a counterclockwise angle to the +x-axis.
a 1.50 m section of it at one end is bent 90° in the negative z direction. Illustrate what is the total magnetic flux through the surface? Choose directions for the area vectors so that the flux through each surface is positive.
suppose the insulating qualities of the wall of a house come mainly from a 4.0 inch layer of brick and an r-19 layer of
An underwater scuba diver sees the Sun at an apparent angle of 38.0° from the vertical. What is actual direction of the Sun
Suppose a cannonball is fired into the air with an initial velocity of 35.0 m/s at an angle 32? above the horizontal. Ignore the effects of air friction. How far from the cannon will the second "half" land
Wavelengths of light from a distant galaxy are found to be 0.5 percent longer than the corresponding wavelengths measured in a terrestrial laboratory. Determine is the galaxy approaching or receding from earth
q1. a pet-store supply truck moves at 25ms north along a highway. inside a dog moves at 1.85ms at an angle of 35deg
A violin is tuned by adjusting the tension in the strings. OnBrian’s violin, the “A” string is tuned to aslightly lower frequency than Andrew’s, which is correctlytuned to 440.0 Hz.
A 45.6-kg girl is standing on a 155-kg plank. Both originally at rest on a frozen lake that constitutes a frictionless, flat surface. The girl begins to walk along the plank at a constant velocity of 1.40 m/s relative to the plank. (a) What is the ve..
The headlights on a certain car are gauged to be 1 m apart. The diameter of the pupil in a human eye is 2.5 mm. What is the furthest distance at which a human eye could obviously see the headlights as two separate lights? Use a wavelength of 644 nm/w..
What potential difference would be required across the same twocapacitors connected in series in order for the combination to store the same amount of energy?
The magnetic field component of the electromagnetic wave is 15.0 microT. What is the magnetic energy density of the wave
A population of 500,000 around a nuclear facility receives an average wholebody dose of 0.5 rad as a result of an accidental release of radionuclides. Estimate the collective gonad dose received
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