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A proton travels with a speed of 3.00 ? 106 m/s at an angle of 55.0° with the direction of a magnetic field of 0.520 T in the +y direction.
(a) What is the magnitude of the magnetic force on the proton?
______N
(b) What is its acceleration?
______m/s2
The length of a string is 532cm. It is held fixed at each end. The string vibrates in seven sections; i.e. string has seven antinodes, and the string vibrates at 150 Hz. What is the wavelength.
Find out the time that the arrow spends in the air.
An Automobile engine slows down from 4500 rpm to 1200 rpm in 2.50 s. Calculate (a) its angular acceleration, assumed constant and (b) total number of revolutions the engine makes in this time.
A ball is thrown with an initial velocity of 14m/s. using the approximate value g=10 m/s^2, at what time does the ball reach its high point?
Two speakers are emitting simple harmonic sound waves of frequency 258 Hz and 256 Hz. Describe the sound heard by a listener
A bicycle wheel is rotating at 40rpm when the cyclist begins to pedal harder, giving the wheel a constant angular acceleration of 0.45rad/s2, What is the wheel's angular velocity, in rpm, 10s later
The boom in the crane is free to pivot about point P and is supported by the cable that joins halfway along its 18 m length. the cable passes over a pulley and is anchored at the back of crane. the boom has a mass of 1700 kg, distributed evenly an..
A 87 arrow is fired from a bow whose string exerts an average force of 120N on the arrow over a distance of 78cm. Evaluate the speed of the arrow as it leaves the bow?
It then increases it's speed at the rate of 1.55 m/s2. Find out the magnitude of acceleration under these new conditions. Answer in units m/s2.
A 27 pound meteorite struck a car, leaving a dent 26cm deep in the trunk. If the meteorite struck the car with a speed of 620m/s, what was the magnitude of its deceleration, assuming it to be constant.
A satellite in a circular orbit around the earth with a radius 1.019 times the mean radius of the earth is hit by an incoming meteorite. Calculate the amount of that work converted to heat
To celebrate a victory, a pitcher throws her glove straight upward with an initial speed of 6.5 m/s a) How long does it take for the glove to return to the pitcher? b) How long does it take for the glove to reach its maximum height?
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