Physics, 25.07.2019 14:30 mattotto1758
Aprojectile is fired vertically from earth's surface with an initial speed of 7.3 km/s. neglecting air drag, how far above the surface of earth will it go?
Answers: 1
Physics, 21.06.2019 18:20
The extremely high temperatures needed to trigger nuclear fusion are proposed to be generated by laser irradiating a spherical pellet of deuterium and tritium fuel of diameter 1.8 mm. (a) determine the maximum fuel temperature that can be achieved by irradiating the pellet with 200 lasers, each producing a power of 550 w. the pellet has an absorptivity 0.3 and emissivity 0.8.
Answers: 2
Physics, 22.06.2019 18:30
Asled is being held at rest on a slope that makes an angle Īø with the horizontal. after the sled is released, it slidesa distance d1 down the slope and then covers the distance d2 alongthe horizontal terrain before stopping. find the coefficient ofkinetic friction Ī¼k between the sled and the ground, assumingthat it is constant throughout the trip. find the coefficient of kinetic frictionĪ¼k. express your answer in terms of someor all of the variables d1, d2, and Īø.
Answers: 1
Physics, 22.06.2019 22:00
It takes a lot of energy to get the temperature of water to increase and eventually boil because water has a high heat.
Answers: 1
Physics, 23.06.2019 00:10
An electromagnetic wave with frequency 65.0 hz travels in aninsulating magnetic material that has dielectric constant 3.64 andrelative permeability 5.18 at this frequency. the electric fieldhas amplitude 7.20 \times 10^{ - 3} {\rm v}/{\rm m}. a. what is the speed of propagation of the wave? b.what is the wavelength of the wave? c.what is the amplitude of the magnetic field? d.what is the intensity of the wave?
Answers: 3
Aprojectile is fired vertically from earth's surface with an initial speed of 7.3 km/s. neglecting a...
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