Julie carries an 8.0-kg suitcase as she walks 18 m along an inclined walkway to her hotel room at a constant speed of 1.5 m/s. the walkway is inclined 15 degrees above the horizontal. how much work does julie do in carrying her suitcase?
julie carries an 8.0-kg suitcase as she walks 18 m along an inclined walkway to her hotel room at a constant speed of 1.5 m/s. the walkway is inclined 15 degrees above the horizontal. how much work does julie do in carrying her suitcase?
Answers: 1
Physics, 23.06.2019 00:30
Which of the following is a true statement about the acceleration ~a of the pendulum bob ~a is equal to the acceleration due to gravity. ~a is perpendicular to the bob’s trajectory. ~a is equal to the instantaneous rate of change in velocity. ~a is tangent to the bob’s trajectory.
Answers: 1
Physics, 23.06.2019 06:00
Gravity is pulling an object into the sun. the closer the object gets to the sun, the greater the gravitational force that acts on the object, increasing its acceleration. a line graph plotting the speed of the object against time would have which shape? a: straight line of positive slope b: curved line that slopes upward c: curved line that slopes downward d: straight line of negative slope
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Physics, 23.06.2019 08:00
According to piaget’s stages of cognitive development, the child does not differentiate between self and other objects. the child repeats rewarding activities, discovers new ways to get what he or she wants, and may have imaginary friends. which period is described?
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Julie carries an 8.0-kg suitcase as she walks 18 m along an inclined walkway to her hotel room at a...
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