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Two soccer players, Mary and Jane, begin running from nearly the same point at the same time. Mary runs in an easterly direction at 3.55 m/s, while Jane takes off in a direction 57.6o north of east at 5.35 m/s.
1. What is the velocity of Jane relative to Mary: GIVE FIRST THE x-component AND THEN THE y-component (and their units).
2. How long is it before they are 22.2 m apart?
3. How far apart are they after 3.86 s?
A solid marble, a solid disk and a hoop have the same mass (M = 0.9 kg) and the same radius. what is the force the track exerts on the hoop when released at the minimum height
Mitch is out in the backwoods scaring up some dinner with his bow and arrows. He shoots an arrow horizontally 1.25 m above the ground. He completely misses the rabbit he was shooting at and the arrow plunges into the ground 150 m away. Calculate t..
a 1.00 m resistor and a 3 microf capacitor are connected in series with a 13.5 v power supply.a what is the time
The speed of a bobsled is increasing because it has an accelerationof 2.4 m/s2. At a given instant in time, the forcesresisting the motion, including kinetic friction and airresistance, total 450N. The combined mass of the the ridersis 270kg
An inside corner of a cube is lined with mirrors to make a corner reflector. A ray of light is reflected successively from each of the three mutually perpendicular mirrors. Show that its final direction is always eactly opposite to its initial dir..
The electric field between two identical but opposite charges, at seventh-fifteenth the distance from the negative charge to the positive charge, is 3.50 x 105 N/C, Evaluate what is the magnitude of each charge
List (by number and name) and define with words or equations each of Newton's Laws governing linear motion. Give a real life example illustrating each.
The orbit of this second satellite has a radius of 8.45 x10^6 m. What is the orbital speed of the second satellite.
The Crab Nebula is a supernova remnant 6500 light years away from Earth. Records from the Chinese indicate that they observed this supernova to occur in the year 1054.
A car goes 13 miles east, then due North ending up 25 deg North of East from its initial position. How far due North did it travel
Suppose you could take out all the electrons and hold them in one hand, If you hold your hands 1.55{\rm m} apart at arms length, what force will each of them feel
If one sphere (density = .3 x 10^3 kg/m^3) is placed at the bottom of a tub filled with water, and another sphere (density = 8.1 x 10^3 kg/m^3) is placed 1.5 m directly above the first sphere. Determine the acceleration of each sphere
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