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A woman at an airport is towing her 20.0 kg suitcase at constant speed by pulling on a strap at an angle theta above the horizontal. She pulls on the strap with a 35.0 N force, and the friction force on the suitcase is 20.0 N
(a) Draw a free body diagram of the suitcase.
(b) What angle does the strap make with the horizontal?
(c) What is the magnitude of the normal force that the ground exerts on the suitcase?
A 0.5 kg mass attached to a linear spring, with spring constant 5 N/m and damping constant 0.2 kg/s, What is the natural frequency of oscillation
A flat conductor of thickness 0.500 mm is placed in a magnetic field of 0.200 T perpendicular to the flat surface. what is the Hall voltage generated when 3.40 A flows along the conductor
High-speed photos of a 220 microg flea jumping vertically indicate that the jump lasts 1.2 ms, What is the flea's change in momentum during its jump
An athlete at a gymnasium holds a 3.0kg steel ball in his hand. His arm is 70cm long and has a mass of 4.0kg. Calculate the magnitude of the torque about his shoulder if he holds his arm
The reflected sound is afterwards mixed with the transmitted sound, and 85 beats per second are detected. The speed of sound in body tissue is 1520m/s. compute the speed of the fetal heart wall at the instant this measurement is made.
Water (viscosity = 1centipoise) flows through a cylindrical plug in a laboratory experiment. what is the permeability of the sample in cm^(2)
What is the compacitance of a parallel-plate capacitor with area 3.8_dm^2 if the seperation between the plates is 0.54_m
A 1.4 kg object at x= 2.00m, y = 3.10m moves at 3.96 m/s at an angle of 45 degrees north of east. Calculate the magnitude of the object's angular momentum
question1a hunter wishes to cross a river that is 1.4 km wide and that flows with a speed of 7 kmh. the hunter uses a
The water in a deep underground well is used as the cold reservoir of a Carnot heat pump that maintains the temperature of a house at 294 K. Determine the temperature of the well water
An object at rest explodes into three pieces of equal masses. One moves east at 23 m/s, while the second piece moves northwest at 14 m/s. Estimate the velocity of the third piece? Suppose each piece has a mass of 2 kg.
A concave shaving mirror has a radius of curvature of 40.1 cm. How far is the mirror from the man's face
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