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Vector A, has a magnitude of 55.7 m, and points in a direction 19.3 degrees below the positive x axis. A second vector B, has a magnitude of 68.2 m, and points in a direction of 49.1 degrees about the positive x axis. if vector C=A+B, calculate the magnitude and direction of vector C.
A cart for hauling ore out of a gold mine has a mass of 425 kg, including its load. Calculate the work done on the cart during the process by friction
a 1.00-kg mass is attached to a spring hanging vertically and hangs at rest in the equilibrium position. the spring
A converging lens (f1 = 24.0 cm) is located 56.0 cm to the left of a diverging lens (f2 = -28.0 cm). How far is the object from the converging lens
A shell is shot with an initial velocity v0 of 18 m/s, at an angle of ?0 = 60° with the horizontal. How far from the gun does the other fragment land
Assuming that the ball's initial velocity was 45° above the horizontal and neglecting air resistance, what does the initialspeed of the ball need to be to produce such a home run if the ballis hit at a point 1.0 m(3.3 ft) above ground level? Assum..
A sphere of copper is subjected to 81.1 MPa of pressure. The copper has a bulk modulus of 130 GPa. By what fraction does the radius of the sphere change
A parallel-plate capacitor in air has a plate separation of 1.50 cm and area of 25.0 cm^2. find the charge on the plates before and after immersion
a person walks first at a constant speed of 4.80 ms along a straight line from point circle a to point circle b and
A 3.42 g plastic bead charged to -3.61 nC and a 6.84 g glass bead charged to +7.22 nC are 5.26 cm apart, What is the acceleration (in m/s/s) of the plastic bead
A baking dish is removed from a hot oven and placed on a cooling rack. As the dish cools down to 34° C from 189° C, What was the net radiant power of the baking dish
Inside a sealed wooden box of mass M there hangs, by a thread of negligible mass, a lead pellet also of mass M. What is the acceleration of the center of mass of the system of box
A ray of light is incident on glass-air interface at the critical angle of 41 deg., what is the refracted angle, What is the strength of a lens which forms an image 24 cm from the lens when the object is 40 cm away
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