Physics, 29.11.2021 14:00 niescarlosj
How is the resultant displacement affected when two displacement vectors are added in a different order
Answers: 3
Physics, 22.06.2019 08:50
You are given a vector a = 125i and an unknown vector b that is perpendicular to a. the cross-product of these two vectors is a × b = 98k. what is the y-component of vector b?
Answers: 1
Physics, 22.06.2019 10:40
As you are trying to move a heavy box of mass m, you realize that it is too heavy for you to lift by yourself. there is no one around to , so you attach an ideal pulley to the box and a massless rope to the ceiling, which you wrap around the pulley. you pull up on the rope to lift the box. use g for the magnitude of the acceleration due to gravity and neglect friction forces. once you have pulled hard enough to start the box moving upward, what is the magnitude f of the upward force you must apply to the rope to start raising the box with constant velocity? express the magnitude of the force in terms of m, the mass of the box.
Answers: 1
Physics, 23.06.2019 16:30
Protein provides 4 calories per gram. mary is on a diet that requires her to eat at least 40 grams of protein each day.she's eaten 152 calories of protein today.howmuch more protein does mary need to eat to meet her goal
Answers: 2
Physics, 24.06.2019 01:30
One of the fastest recorded pitches in major-league baseball, thrown by tim lincecum in 2009, was clocked at 101.0 mi/h. if a pitch were thrown horizontally with this velocity, how far would the ball fall vertically by the time it reached home plate, 60.5 ft away?
Answers: 2
How is the resultant displacement affected when two displacement vectors are added in a different or...
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