Physics, 13.11.2019 18:31 maritsaledesma
Two spheres, a and b, are simultaneously projected horizontally from the top of a tower. sphere a has a horizontal speed of 40.0 meters per second and sphere b has a horizontal speed of 20.0 meters per second. which statement best describes the time required for the spheres to reach the ground and the horizontal distance they travel? [neglect friction and assume the ground is level.]
sphere a hits the ground before sphere b, and sphere a lands twice as far as sphere b from the base of the tower.
both spheres hit the ground at the same time and at the same distance from the base of the tower.
both spheres hit the ground at the same time, but sphere a lands twice as far as sphere b from the base of the tower.
both spheres hit the ground at the same time, but sphere b lands twice as far as sphere a from the base of the tower.
Answers: 1
Physics, 21.06.2019 23:50
Select the correct answer from each drop-down menu. compared to its surroundings, the concentration of solutes is low inside a cell. so, the cell is with respect to its surroundings. a particular solute in this cell uses energy for its transport from the cell to its surroundings. this type of transport is called
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Assume that two of the electrons at the negative terminal have attached themselves to a nearby neutral atom. there is now a negative ion with a charge -2e at this terminal. what are the electric potential and electric potential energy of the negative ion relative to the electron? the electric potential and the electric potential energy are both twice as much. the electric potential is twice as much and the electric potential energy is the same. the electric potential is the same and the electric potential energy is twice as much. the electric potential and the electric potential energy are both the same. the electric potential is the same and the electric potential energy is increased by the mass ratio of the oxygen ion to the electron. the electric potential is twice as much and the electric potential energy is increased by the mass ratio of the oxygen ion to the electron.
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Two spheres, a and b, are simultaneously projected horizontally from the top of a tower. sphere a ha...
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