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In a mall, a shopper rides up an escalator between floors. At the top of the escalator, the shopper turns right and walks 9.41 m to a store. The magnitude of the shopper's displacement from the bottom of the escalator to thestore is 16.0 m. The vertical distance between the floors is4.57 m. At what angle is the escalatorinclined above the horizontal?
How to find the length
A man drags a 75.0-kg crate across the floor at a constant velocity by pulling on a strap attached to the bottom of the crate. Find the magnitude of the tension in the strap
If a 5 mile walk (as in problem 7) is completed in 1 hour and 30 minutes, what is the power output of the walker
A box of bananas weighinh 40 N rests on a horizontal surface. The coefficient of static friction between the box, the magnitude of the frictional force is
What is the Carnot efficiency of a heat engine operating between the temperatures of 300 degrees C (573 K) and 100 degrees C (373 K)
A 2.0 solid sphere (radius = 0.20 ) is released from rest at the top of a ramp and allowed to roll without slipping. The ramp is 0.50 high and 6.0 long. A. When the sphere reaches the bottom of the ramp, what is its total kinetic energy? B. When the ..
vector a points in the negative y direction and has a magnitude of 4 units. vector b has three times the magnitude and
An AC power generator produces 50A (rms) at 3600V. The voltage is stepped up to 100,000V by an ideal transformer, What is the rms current in the long-distance line
12 Gallons per minute of water flows through a heater and must be raised from 20 to 90 Celcius. Calulate the rate of heat supplied
After 6.00 kg of water at 77.3 oC is mixed in a perfect thermos with 3.00 kg of ice at 0.0 oC, the mixture is allowed to reach equilibrium. find the change in entropy that occurs
A converging lens with a focal length of 88.0 cm forms an image of a 3.20cm -tall real object that is to the left of the lens. Where are the object and image located in relation to the lens
A particle that has an 8.3-?C charge moves with a velocity of magnitude 4 × 105 m/s along the +x axis. Find the magnitude and direction of the magnetic field
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