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What is the magnitude of the force F→ on the 5.0 nC charge in the figure(Figure 1) ?
What is the direction of the force F→ on the 5.0 nC charge in the figure? Give your answer as an angle measured cw from the +x-axis.
Two identical cylinders (except for their volumes) at the same temperature each contain the same kind of gas and the same numberof moles of gas. If the volume of cylinder A is 6 times greater than the volume of cylinder B,what can you say about the r..
A device known as Atwood's machine consists of two masses hanging from the ends of a vertical rope that passes over a pulley. Calculate the magnitude of their acceleration
A 22 {\rm kg} sphere is at the origin and a 12 {\rm kg} sphere is at (x, y) = ( 22 {\rm cm} , 0 {\rm cm}) At what point or points could you place a small mass such that the net gravitational force on it due to the spheres is zero?
A juniper-wood plank measuring 0.18 ft by 1 ft by 14 ft is totally submerged in water. What is the buoyant force acting on it
Which of the following factors do not affect the pressure at the bottom of a cup? Explain answer a. Depth of the liquid b. Density of the liquid c. The value of the acceleration of gravity d. The shape of the cup
A bridge 121.0 m long is constructed of steel having a coefficient of expansion of 11.1 × 10 -6 /K. If it is built as a single, continuous structure, by how many centimetres will its length change among the coldest days (-26.0°C) and the hottest summ..
A block with a mass of 1 kilogram is attached by a light weight, but strong rope to a second block with a mass of 2 kilogram. Obtain the tension in the rope between the masses
An 11.4-kg block is suspended from the ceiling of an elevator by a cord rated to withstand a tension of 154 N. Shortly after the elevator starts to ascend, the cord breaks. What was the minimum acceleration of the elevator
A golf ball strikes a hard, smooth floor at an angle of 30.0?? and, as the drawing shows, rebounds at the same angle. What is the magnitude of the impulse applied to the golf ball by the floor
You could start with boiling water and lower the temperature by adding ice cubes. Do NOT allow the probes from the multimeter to come in contact with water! Record data and prepare a graph as before. How do the results from the two experimental me..
A 20-g bead is attached to a light 120 cm-long string as shown in the figure. If the angle α is measured to be 18Ao, what is the speed of the mass?
In a region of space, the electric field E→ = Eoxi^ + Eoyj^) . Consider an imaginary cubical volume of edge 'a' with its edges parallel to the axes of coordinates
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