A skier of mass 71 kg is pulled up a slopeby a motor-driven
A skier of mass 71 kg is pulled up a slopeby a motor-driven cable.
(a) How much work is required to pull him40 m up a 30° slope (assumedfrictionless) at a constant speed of 2.2m/s?
J
(b) What power must a motor have to perform this task?
hp
Expected delivery within 24 Hours
a 30 kg particle with velocity v50msi-60msj is at x30mand y80m it is pulled by a 7n force in the negative x
an automobile weighing 105 x104 n has weight equally distributed overits wheels the weight of the car causes each tire
one end of a wire is attached to a ceiling and a solid brass ball is tied to the lower end the tension in the wire is
a cars speedometer converts the angular speed of the wheels to the linear speed of the car if the tires are 24 inches
a skier of mass 71 kg is pulled up a slopeby a motor-driven cablea how much work is required to pull him40 m up a 30deg
tsunamis are fast-moving waves generated by underwater earthquakesin the deep ocean their amplitude is barely
the figure shows a lower leg being exercised it has a 49-nweight attached to the foot and is extended at an angle with
white light passes through a piece of crown glass and strikesan interface with air at an angle of 4115circ the index of
a college campus features a large fountain surrounded by a circularpool two students start at the northernmost point of
1922694
Questions Asked
3,689
Active Tutors
1456415
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Which of the following things happened first? Group of answer choices Women gained the right to vote Seneca Falls Convention Margaret
Jane is doing a study about tattoos. She is interested in studying the idea of the "tramp stamp" (a tattoo in the small of a woman's back).
When people get involved in community and social change but do not hold official political positions, which of the terms best describes what they are part of
Staying with Nigeria, rewind the year to 1950. Using the +5 year control, fast forward in 5 year increments until you reach 2020.
Identify problems and concerns that contributed to the many race-related protests and unrest during the 2020 year.
This week watch the 3 short video clips below about cultural appropriation. These videos will redefine terms like cultural appropriation
Question: In which of the following cases does female status tend to be highest? Group of answer choice