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A velocity selector has an electric field of magnitude 2500 N/C,directed vertically upward, and a horizontal magnetic field that is directed south. Charged particles, traveling east at a speed of7.27 x 103 m/s, enter the velocity selector and are able to pass completely through without being deflected. When adifferent particle with an electric charge of +4.40 x10-12 C enters the velocity selector traveling east, thenet force (due to the electric and magnetic fields) acting on it is2.17 x 10-9 N, pointing directly upward. What is the speed of this particle?
q1. an airplane is flying with a velocity of 80.0 at an angle of 26.0 above the horizontal. when the plane is a
q1. speedboat a negotiates a curve whose radius is 118 m. speedboat b negotiates a curve whose radius is 270 m. each
The cable of the 1900 kg elevator cab shown the figure snaps when the cab is at rest at the first floor, where the cab bottom is a distance d = 4.7 m above a spring of spring constant k = 0.18 MN/m. Find the speed of the cab just before it hits the..
A speed skater goes around a turn that has a radius of 27 m. The skater has a speed of 15 m/s, What is the mass of the skater
A convex mirror has a radius of curvature of 50.0 cm. A ruler (30.0 cm in length) is located 25.0 cm in front of the mirror and oriented at an angle of 90 degrees to the principal axis, as shown below. What are the a) location and b) height of the ..
When a 9.80 kg mass is placed on top of a vertical spring, the spring compresses 4.00 cm. What would the compression of the spring (in cm) be if the spring-mass system was placed
What is the rms speed of nitrogen molecules contained in an 7.9 m3 volume at 2.1 atm if total amount of nitrogen is 1100 mol.
A charge of -5 micro-coulombs is placed at x = 0 cm, y = 0 cm. Another charge of -5 micro-coulombs is placed at x = +22 cm, y = -50 cm. When measured counter-clockwise from the x axis, what angle is the electric force vector acting on the charge a..
Transformer 1 has a primary voltage and a secondary voltage . Transformer 2 has twice the number of turns on both its primary, If the primary voltage on transformer 2 is , what is its secondary voltage
A massless spring hangs from the ceiling with a small object attached to its lower end. What is the frequency of the oscillation
A 68.0 patient is suspended in a raised hospital bed (angle is 50 degrees). What is the maximum mass can be without the patient sliding up the bed
Three fire hoses are connected to a fire hydrant. Each hose has a radius of 0.017 m. Find the water speed in each hose
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