Physics, 01.08.2019 08:00 tay9122

Aflight attendant pulls her 75.8 n flight bag a distance of 256 m along a level airport floor at a constant velocity. the force she exerts is 47.0 n at an angle of 62.4◦ above the horizontal. a) find the work she does on the flight bag. answer in units of j.

Answers: 2

Show answers

Another question on Physics

Physics, 22.06.2019 11:10

Avolcano erupts next to a grassland area in a valley. a. describe three ways in which material released by the volcano could impact the grassland area. b. describe three ways in which the grassland ecosystem could recover after a volcanic eruption.

Answers: 3

Answer

Physics, 22.06.2019 18:00

Astone is thrown with a speed v0 and returns to earth, as the drawing shows. ignore friction and air resistance, and consider the initial and final locations of the stone. which one of the following correctly describes the change δpe in the gravitational potential energy and the change δke in the kinetic energy of the stone as it moves from its initial to its final location? options a.δpe = 0 j and δke = 0 j b.δpe is positive and δke is negative c.δpe = 0 j and δke is positive d.δpe is negative and δke is positive e.δpe = 0 j and δke is negative

Answers: 3

Answer

Physics, 22.06.2019 20:50

Suppose that a mass of 2 kg is attached a spring whose spring constant is 50. the system is damped such that b = 12 . the mass is set in motion with an initial velocity of -8 m/s at a position 0 meters from equilibrium. set up and solve a differential equation that models this motion. write your solution in the form a cos ( ω t − α ) where α is a positive number. use your solution to fill in the information below: what is the amplitude of the motion? what is the value of ω ? what is the phase shift?

Answers: 1

Answer

Physics, 22.06.2019 21:30

Global climatic patterns are changing because of the melting of polar ice caps. the melting of polar ice caps is an example of the interaction between the atmosphere and cryosphere cryosphere and geosphere hydrosphere and geosphere biosphere and cryosphere

Answers: 1

Answer

You know the right answer?

Aflight attendant pulls her 75.8 n flight bag a distance of 256 m along a level airport floor at a c...

Questions