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An electron moves with a velocity of 5 x 10^5m/s at an angle of 60 degrees with an eastward B field. The electron experiences a force of 3.2 x 10^-18N directed into the paper. What are the magnitude of B and direction of the velocity?
Two objects have the same kinetic energy. One has a speed that is 1.7 times greater than the speed of the other. What is the ratio of their masses
Two objects are connected by a string that passes over a frictionless pulley as shown in the figure. Assume the incline is frictionless and take m1=2.00kg, m2=6.00kg and theta=55.0 degrees. (a) Draw free-body diagrams of both objects (b) find the mag..
To focus a camera on objects at different distances, the converging lens is moved toward or away from the film, Over what distance must the lens be movable
A block of mass m is attached to a spring (spring constant k)which is attached to a wall, find the amplitude of the resulting simple harmonic motion?
A 36.0 kg child swings in a swing supported by two chains, each 2.90 m long, find the child's speed at the lowest point
A pipe with a 2m diameter carries water having a velocity of 4 m/s. What is the mass flow rate of the water in kg/s at the following temperatures.
Manufacturers of headache remedies routinely claim that their own brands are more potent pain relievers than the competing brands. Find the number of molecules of pain reliever
The current in an RL circuit builds up to one-third of its steady state value in 3.80 s. Find the inductive time constant
A diver is practicing for a coming game. The height of the diving tower is 10 m (from the top of board down to water surface), What is the angle at which the diver enters the water
Suppose that a high-energy particle accelerator accelerates an electron to such great speed that its relativistic mass becomes as large as the rest mass of a proton. Calculate the speed of this electron
A 0.33kg block is located 0.2 m from the center of a turntable. The coefficient of static friction between block and surface of the turntable is 0.44.
q1. a cube of ice is taken from the freezer at -9.4degc and placed in a 94 g aluminium calorimeter filled with 315 g of
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