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Two charged particles move in the similar direction with respect to the same magnetic field. Particle 1 travels four times faster than particle 2. However, each particle experiences a magnetic force of the equal magnitude. Obtain the ratio of the magnitudes of the charges.
A water heater consisting of a metal coil that is connected across the terminals of a 21.0-V power supply is able to heat 160. What is the resistance of the coil
When empty, a particular helicopter of mass 3770 kg can accelerate straight upward at a maximum acceleration of 1.34 m/s2. What is the mass of the cargo
A steam catapult launches a jet aircraft from the aircraft carrier John C. Stennis, giving it a speed of 190 mi/h in 2.00 s. (a) Find the average acceleration of the plane. Your response is within 10% of the correct value. This may be due to round..
A person's body is covered with 1.69 m2 of wool clothing. The thickness of the wool is 2.12 × 10-3 m. How much heat per second does the person lose due to conduction
How many kilograms of water at 100.0 C could be converted to steam by the addition of 1.13 x 10^7 joules of thermal energy.
The stretched length of a spring is 4.28 m. A ribbon is tied aroundthe spring at a point near its center. A pulse created at one endof the spring makes 13 back-and-forth trips along the spring in6.59 s.
Starting from rest, a 10.5 kilogram block slides 2.70 meter down a frictionless ramp (inclined at 30.0 degree from the floor) to the bottom. Find the speed of the block at the bottom of the ramp
Which will give the greater improvement in the efficiency of a Carnot engine, a 10 degree C increase in the high-temperature reservoir, or a 10 degree C decrease in the low-temperature reservoir?
An intergalactic rock star bangs his drum every 1.70 s. How fast is the rock star moving relative to the earth
An electron that has a horizontal initial speed of 4.50 x 10^6 m/s enters a region that has an electric field of 120 V/m pointing vertically upward. How long does the electron take to travel 9 cm in the horizontal direction
The heels on a pair of women's shoes have radii of 0.42cm at the bottom. If 32 percent of the weight of a woman weighing 580N is supported by each heel, find the stress on each heel.
a 3.0-kg object hangs at one end of a rope that is attached to a support on a railroad car. when the car accelerates to
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