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A positive charge q=3.2 x 10^-19 C moves with a velocity v=(2i + 3j - k)m/s through a region where both a uniform magnetic field and a uniform electric field exist. What angle does the force vector make relative to the positive x axis?
A ballplayer catches a ball 2.75 seconds after throwing it vertically upward. With what speed did he throw it? Calculate the final & resultant velocity and acceleration.
A microwave oven is powered by an electron tube called a magnetron that generates electromagnetic waves of frequency 2.25 GHz, Calculate the speed of the microwaves from these data.
A beam of red light, whose frequency is 4.30*10^14, passes through a piece of dense flint glass (n=2.13) in 25 ps (picoseconds). Find the thickness of the glass
Transverse waves with a speed of 48.7 m/s are to be produced on a stretched string. What is the required tension in the string
A positive charge of q1 is located 4.59 m to the left of a negative charge q2. The charges have different magnitudes. How far to the left of the negative charge is one spot
You compress a spring with k = 3000 N/m a distance of 0.2 m with a block of mass 4 kg. hat is the velocity of the block after it leaves the spring but before it gets to the incline
The coordinate system has its origin at the center of the square. A point mass, m, of 4.21·102 g is placed at one corner of the square object, and the assembly is held in equilibrium by positioning the support at position
A car tire is pressurized in the morning at a temperature of 200C to 2atm. By afternoon at a temperature of 350C the tire pressure has changed to 2.1atm but the volume has decreased by 2%.
A concave mirror produces a virtual image that is three times as tall as the object. what is the radius of curvature of this mirror
A two-slit pattern is viewed on a screen 1.04 m from the slits. what is the total width of the central bright fringe?
The masses of Chuck and Jackie are both m1. Chuck then picks up a motionless ball of mass m2, In the end, what is Jackie's speed with respect to Chuck
An object has a kinetic energy of 237 J and a momentum of magnitude 29.3 kg·m/s. Find the speed and the mass of the object
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