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To push a 22 kg crate up a frictionless incline, angled at20° to the horizontal, a worker exerts a force of 88.5N, parallel to the incline. As the crate slides 1.50m, (a) how much work is done on the crate by the worker's applied force? (b)How much work is done on the crateby the weight of the crate? (c)How much workis done on the crate by the normal force exerted by the incline onthe crate? (d) What is the total work done onthe crate?
question1imagine drawing two equipotentials in plane of the figure one passing through point a and one passing through
A car driving directly north on the freeway at a speed of 110 km/h and a truck is leaving the freeway driving 85 km/h in a direction 35 west of north
A laser with wavelength d/8 is shining light on a double slit with slit separation 0.450mm. What is the wavelength of the second laser that would place its second maximum at the same location as the fourth minimum of the first laser
A 7.0 k resistor is in series with a 26.0-mH inductor, Calculate the impedance of the circuit for the following source frequencies
An electron is accelerated by a constant electric field of magnitude 290 N/C. (a) Find the acceleration of the electron.
A typical incandescent lightbulb has a filament temperature of approximately 3191 K. At what wavelength is the intensity of the emitted light highest
question. no 1 a lift is filled with patients has a total mass of 2055 kg. as the lift begins to go up the
A small, 10.0 g insect stand at one end of a thin uniform metal rod which is initially at rest on a frictionless horizontal table. What is the resulting angular speed of the rod
A 54 kg person is parachuting and experiencing a downward acceleration of 2.0 m/s2. The mass of the parachute is 7.6 kg. (a) What is the upward force on the open parachute from the air? (b) What is the magnitude of the downward force on the parachute..
You throw a 13.0N rock into the air from ground level and observe that, when it is 13.0m high, Use the work-energy principle to find the maximum height the rock will reach
A 115 V electric iron draws 5.57 A of current. How much heat is developed per hour, What is the temperature of the bath
The coefficient of kinetic friction between block and ramp
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