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A .250kg ball is thrown horizontally at 16.8m/s
A. As it falls under the influence of gravity, find its final momentum (magnitude) after 2.00s
B. Find its change in the magnitude of the momentum.
A projectile is launched at an angle of 33.69 degrees from the horizontal and lands down range at the same level. If the range of the projectile was 900 meters what was the maximum height
The speed of light in a certain piece of clear plastic is 1.87 108 m/s. A ray of light strikes the plastic at an angle of 17°. At what angle is the ray refracted
Disscus how the conservation of energy law explain whys the temperature of a gas increases when it is quickly compressed, whereas the temperature decreases when the gas expands.
Observations of a certain galaxy show that stars at a distance of 16 pc from the center of the galaxy orbit a central supermassive black hole at a speed of 200 km/s
A vertical straight wire carrying and upward 24-A current exerts an attractive force per unit length of 8.8 X 10-4 N/m on a secon parallel wire 7.0 cm away
A 0.218 kg ball is released from rest at the top of a 56.9 m tall building. Calculate the de Broglie wavelength of the ball
A pitcher throws a curveball that reaches the catcher in 0.55s. The ball curves because it is spinning at an average angular velocity of 280rev/min (assumed constant) on its way to catcher's mitt.
One member of a pair of parallel conducting plates has potential 17 V. An electron is ejected from that plate at potential, What is the potential of the second plate
The International space station (ISS) orbits the Earth at an altitude of 350km above the surface. it takes 90min to complete one orbit around the Earth. explain why the two clocks fall out of synchronization
What is the speed of light in a diamond that has an index of refraction of 2.4168? Calculate your answer to 3 significant figures
Transverse waves with a speed of 48.7 m/s are to be produced on a stretched string. What is the required tension in the string
An elementary particle of mass M completely absorbs a photon, after which its mass is 1.01M. (a) What was the energy of the incoming photon (b) Why is that energy greater than 0.01Mc^2
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