Physics, 25.04.2020 03:07 Jamilia561
A rifle of mass M is initially at rest. A bullet of mass m is fired from the rifle with a velocity of v relative to the ground. What is the expression that gives the velocity of the rifle relative to the ground after the bullet is fired?
Answers: 3
Physics, 21.06.2019 15:50
Ahollow metal sphere has 6 cm and 11 cm inner and outer radii, respectively. the surface charge density on the inside surface is −100nc/m2. the surface charge density on the exterior surface is:
Answers: 1
Physics, 21.06.2019 19:00
Many machines- including inclined planes such as ramps- increase the strength of the force put into the machine but decrease the distance over which the force is applied. true or false
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Physics, 22.06.2019 12:10
Light traveling in water, nwater = 1.33, strikes a plastic block at an angle of incidence of 51.4°; part of the beam is reflected and part is refracted. if the index of refraction of the plastic is 2.0, what is the angle made by the reflected and refracted beams?
Answers: 2
A rifle of mass M is initially at rest. A bullet of mass m is fired from the rifle with a velocity o...
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