Physics, 16.12.2021 18:10, person6764

Two students take turns lifting an object. each student lifts the object from the ground to the same height. the first student lifts the object in one third the time it takes the second student to lift the object. which of the following best compares the power of each student ? a the first student uses one third ad much power as the second student

b the first student uses the same amount of power as the second student

c the first student uses three times as much power as the seconds student

d the first student uses nine times as much power as the second student

Answers: 1

Show answers

Other questions on the subject: Physics

Physics, 21.06.2019 19:00, simegustachocolate

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.

Answers: 2

continue

Physics, 22.06.2019 02:30, mhurtado143

Agas contained within a piston-cylinder assembly undergoes three processes in series: process 12: compression with pv= constant from 1 bar and 1 liter to 4 bar. process 23: constant pressure expansion to 1 liter. process 31: constant volume calculate the pressure and volume at each state, and sketch the processes on a p-vdiagram labeled with pressure and volume values at each numbered stat

Answers: 2

continue

Physics, 22.06.2019 10:30, tay8556

The uniform slender bar rests on a smooth horizon- tal surface when a force f is applied normal to the bar at point a. point a is observed to have an initial acceleration aa of 20 m/s2, and the bar has a corre- sponding angular acceleration of 18 rad /s2. deter- mine the distance b.

Answers: 1

continue

Physics, 22.06.2019 17:00, marchellepenuliar

Sawyer is studying diffraction. he draws a diagram of a plane wave to show how light waves travel. which best describes sawyer’s error? the wave fronts should be perpendicular to the direction in which the waves move. the arrow showing the direction of movement of the waves should be pointing to the left. the arrow showing the direction of movement of the waves should be pointing downward. the wave fronts should be both parallel and perpendicular to the direction in which the waves move.

Answers: 3

continue

Do you know the correct answer?

Two students take turns lifting an object. each student lifts the object from the ground to the same...