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In a 1.32T magnetic field directed vertically upward, a particle having a charge of magnitude 8.00?C and initially moving northward at 4.78km/s is deflected toward the east.
What is the sign of the charge of this particle?
Find the magnetic force on the particle.
Consider a balloon filled with helium gas at room temperature (T = 289 K) and atmospheric pressure. Calculate the average de Broglie wavelength of the helium atoms
A 66-N m torque acts on a wheel with a moment of inertia 175 kg m2. If the wheel starts from rest, explain how long will it take the wheel to make one revolution?
What is the terminal speed for an 79 skier going down a 36 snow-covered slope on wooden skis = 0.060? Assume that the skier is 1.8 m tall and 0.50 m wide.
A steel ball bearing 7.00mm in diameter is dropped into a cylinder of glycerin. What is the terminal velocity of the ball bearing
An airplane traveling at 480 km/h needs to reverse its course. The pilot decides to accomplish this by banking the wings at an angle of 38o. Find the time needed to reverse course
Two parallel metal rods form a plane inclined at 20 degrees to the horizontal. The upper end of the rods are connected together by a resistor of 166ohms, What is the maximum speed of the bar
two particles with Q1=50uc and Q2=84uc are initially separated by a distance of 2.3m, what is the change in electric potential energy
A 0.12-kg ball is placed in a shallow wedge with an opening angle of 120°, as shown in the figure. For each contact point between the wedge and the ball, determine the force exerted on the ball. Assume the system is frictionless. Find contact force o..
A 0.07 kg bullet traveling at 602 m/s hits a 7.3 kg block of wood and stays in the wood. What is the velocity (speed)of the wood block
To explain why he seems to hang in the air, compute the ratio of the time he is above ymax/2 moving up to the time it takes him to go from the floor to that height. You may ignore air resistance.
A sealed cubical container 17cm on a side contains three times Avogadro's number of molecules at a temperature of 16°C. Find out the force exerted by the gas on one of the walls of the container.
Scientists in a laboratory produce a sound wave in a simulated environment (air) with a velocity of 448 m/s. What is the temperature (in Kelvin) of the environment
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