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1. Two vectors have length V1 = 3.5 km and V2 = 4.0 km. What are the maximum and minimum magnitudes of their vector sum?
2. Under what circumstance would a vector have components that are equal in magnitude?
3. A person walks 25.0o north of east for 3.10 km. How far due north and how far due east would she have to walk to arrive at the same location?
4. A vector has an x-component of -25.0 units and a y-component of 40.0 units. Find the magnitude and direction of the vector.
5. The eye of a hurricane passes over Grand Bahama Island in a direction 60.0° north of west with a speed of 41.0 km/h. Three hours later the course of the hurricane suddenly shifts due north and its speed slows to 25.0 km/h. How far from Grand Bahama is the hurricane 4.50 h after it passes over the island?
6. A Compute airplane starts form an airport and takes the route shown in the figure. The plane first flies to city A, located 175 km away in a direction 30.0° north of east. Next, it flies for 150 km 20.0° west of north, to city B. Finally, the plane flies 190 km due west, to city C. Find the location of city C relative to the location of the starting point.
A wire is formed into a circle having a diameter of 10.8 cm and is placed in a uniform magnetic field of 2.87 mT. Find the maximum torque on the wire
An object is solid throughout. When the object is completelysubmerged in ethyl alcohol, its apparent weight is 14.8 N. What is the volume of the object
an electron with speed of 3.00x105 ms moves into a uniform electric field of magnitude 4.00x103 nc. the field is
for each of the motions described below determine the algebraic sign - or 0 of the velocity and acceleration of the
A 200-pound boy lifts a 40-kg box off of the floor 1.3 meters in 0.7 seconds. determine Which boy is more powerful
q1. a 500 g rubber ball is dropped from a height of 10 m and undergoes a completely elastic collision with the earth.a
An underwater camera has a lens of focal length 35 millimeter and a maximum aperture of f/2.80. Find the width of the smallest resolvable detail on the subject if the object is a fish underwater with the camera in the water
question 1 a cart of mass 3.2 kg is moving with a velocity of 15.2 ms. it makes a head-on perfectly inelastic collision
A freight train has a mass of 1.5 × 107 kg. If the locomotive can exert a constant pull of 7.9 × 105 N, how long does it take to increase the speed of the train from rest to 88 km/h
a concave cosmetic mirror has a focal length of 22 . a 4.0 -long mascara brush is held upright 11 from the mirror.a.
a roller coaster car is at the top of a "loop-de-loop" and is at the point where it is upside down. Why is there no outward force on the car
Calculate the time it takes the sled to travel 21 m down the slope and draw a free-body diagram for the sled sliding down the slope.
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