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Starting from the front door of your ranch house, you walk 50.0m due east to your windmill, and then you turn around and slowly walk 30.0m west to a bench where you sit and watch the sunrise. It takes you 27.0s to walk from your house to the windmill and then 39.0s to walk from the windmill to the bench.
For the entire trip from your front door to the bench, what is your average velocity?
For the entire trip from your front door to the bench, what is your average speed?
A child and sled with a combined mass of 55.20 kg slide down a frictionless hill that is 7.84 m high at an angle of 26o from horizontal. The acceleration of gravity is 9.80 m/s2. If the sled starts from rest, what is its speed at the bottom of hil..
q1. laser light at 635nm falls on a double-slit apparatus with slit separation 6.910-6m. find out the separation
A particle has a charge of +2.3 ?C and moves from point A to point B, a distance of 0.13 m. The particle experiences a constant electric force, and its motion is along the line of action of the force.
a lower tank contains water while an upper tank contains air with a negligable concentration of water vapor. what mass of water vapor diffuses through the tube each hour
An oil drop whose mass is determined to be 3.3x10^-15 is held at rest between two large plates separated by 1cm while the potential difference between them is 340 V. How numerous excess electrons does this have here.
A large tank is divided into two parts by a partition. The first part contains 5 kg of refrigrtant-134a at 80oC, 900 kPa. Determine the work and heat transfer during this process
q1. a cord is used to vertically lower an initially stationary block of mass m kg at a constant downward acceleration
A fluid with resistivity 9.40 ? seeps into the space be¬tween the plates of a 110-pF parallel-plate air capacitor. what is the resistance between the plates
A block of mass 2.1 kg, which has an initial velocity of 5.3m/s at time t = 0, slides on a horizontal surface. Determine the distance that the block slides as it comes to rest
A segment of wire carries a current of 20 A along the x-axis from y=2.0 m to y=0 and then along the x axis from x=0 to x=-4.0 m. What is the magnitude of the force on this segment of wire
The primary coil of an ideal transformer has 650 turns, and the secondary coil has 260 turns. Assume the primary coil carries 15 A at a voltage of 120 V. What is the output current of the secondary coil
what is the cost of the electric energy equivalent to the energy in a Big Mac? (the cost of a Big Mac is $3.57)
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