A skier of mass 61 kg ispulled up a slope by a motor-driven
A skier of mass 61 kg ispulled up a slope by a motor-driven cable.
(a) How much work is required to pull him70 m up a 30° slope (assumedfrictionless) at a constant speed of 1.9 m/s?
J
(b) What power must a motor have to perform this task?
hp
Expected delivery within 24 Hours
a sphere of radius 200cm and mass 180 kg starts from rest and rolls without slippingdown a 300ordm incline that is 100
a hypodermic syringe contains a medicine with the density of water see figure below the barrel of the syringe has a
a 6cm diameter horizontal pipe gradually narrows to 4cm whenwater flows throught this pipe at a certain rate the
a 650 kg elevator startsfrom rest and moves upward for 430 swith constant acceleration until it reaches its cruising
a skier of mass 61 kg ispulled up a slope by a motor-driven cablea how much work is required to pull him70 m up a 30deg
a 550 kg ice skater is moving at 400 ms when she grabs theloose end on a rope the opposite end of which is tied to a
it is currently popular for automobiles to use 10 ethanol 90gasoline mixtures lsquogasoholrsquo as fuel according
a 2000 kg car rounds a circular turn of radius 20 m if theroad is flat and the coefficient of friction between tires
consider two uniformly charged parallel plates as shown in the figure the magnitudes of the charges areequalif the
1956250
Questions Asked
3,689
Active Tutors
1413245
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Explain why you have chosen nursing as a profession and determine if it relates to the theory - personal story of why you chose to become a nurse.
Problem: If untreated, which of the following describes how diabetes mellitus might affect bodily fluids?
Problem: Working in local government in the field of biosecurity offers several advantages and benefits.
Make the following note better: On August 23, 2025 the writer met with Mr. Peter John Benner and his wife Nicki Lowery to review his discharge plan.
Question: Which of the following are required by The Joint Commission tfor CT?
You are the patient advocate for Midwest Regional Health Center. You often receive questions from patients regarding their bills.
Question: In a team approach to patient care, various participates 1. Assume responsibility for their areas of expertise.