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A person walks the path shown below. The total trip consists of four straight-line paths. Path 1 is 90.0 m due east. Path 2 is 220.0 m due south. Path 3 is 110.0 m 30.0° south of west. Path 4 is 180.0 m 60.0° north of west. At the end of the walk, what is the person's resultant displacement? m at ° south of west.
assume a block of mass 25.0 kg rests on a horizontal plane, and the coefficient of static friction between the surfaces is 0.220. what is the actual static frictional force that acts on the block if an external force of 25.0 N acts horizontally on..
An infinitely long cylinder has a circular cross section of radius a and its axis along the z axis. A steady current I is distributed uniformly over the cross section and is in the positive z direction. Please, read the document carefully, it ..
q1. a highway curve with a radius of 555 m is banked properly for the car travelling 150 kmh. if a 1650 kg porshe 928 s
Because of the cramped space under the hood, you'll need to pull at an angle of 105 with respect to the wrench shaft. Illustrate with what force must you pull?
What is the angular separation of two spectral lines of wavelengths 446 nm and 398 nm formed in order m=2 with a 360 line/mm grating
An unstable particle at rest breaks up into two fragments of unequal mass. what is the speed of the heavier fragment
The components of velocity of an object moving in two dimensions are 40 m/s westward, and 28 m/s southward. What is the object's heading, in degrees
A resistor is connected across the terminals of a 9 V battery, which delivers 1.27E+5 J of energy to the resistor in 8.00 hours
A saw blade has a mass of 0.5 kg and a radius of 10 cm and is rotating at 300 rpm. What frictional torque acts on the saw blade as it slows to a stop
An ambulance is generating a siren sound at a frequency of 2400 Hz. The velocity of sound is 34.0 m/s. What is the frequency of the siren perceived by the observer
About 1350 W/m2 of electromagnetic energy reaches the upper atmosphere of the earth from the sun, which is 1.5 × 1011 m away. estimate the average power output of the sun
Coherent light with wavelength 609nm passes through two very narrow slits, and the interference pattern is observed on a screen a distance of 3- {rm m} from the slits. The first-order bright fringe is a distance of 4.84 {rm mm} from the center of ..
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