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(a) Find the magnitude and direction of the force this magnetic field exerts on the proton. (b) If you can vary the direction of the proton's velocity, find the magnitude of the maximum and minimum
At a given instant, a particle with a mass of 5.00 x 10-3 kg and a charge of 3.50 x 10-8 C has a velocity with a magnitude of 2.00 x 105 m/s in the +y direction. It is moving in a uniform magnetic f
What are (a) the magnitude and direction of the magnetic force on the particle and (b) its resulting acceleration?
A proton traveling at 3.60 km/s suddenly enters a uniform magnetic field of 0.750. T, traveling at an angle of 55.0 degrees with the field lines (a) Find the magnitude and direction of the force thi
1) What are interference and diffraction? Under what circumstances do they occur? 2) Light from a helium-neon laser is shined on a slit of width .02 mm. Describe qualitatively the pattern of light s
The microwave radiation left over from the Big Bang explosion of the universe has an average energy density of 3.88 × 10-14 J/m3. What is the rms value of the electric field of this radiation?
A stationary particle of charge q = 2.6 × 10-8 C is placed in a laser beam (an electromagnetic wave) whose intensity is 2.4 × 103 W/m2. Determine the maximum magnitude of the (a) electri
An electromagnetic wave strikes a 1.91-cm2 section of wall perpendicularly. The rms value of the wave's magnetic field is determined to be 9.42 × 10-4 T. How long does it take for the wave to
What is the electric field strength at the midpoint between the two spheres? in Newtons/Coulomb
What is the speed of the block when it has moved a distance of 0.0200 from its initial position? (At this point the spring is compressed 0.0180 .)
The microwave radiation left over from the Big Bang explosion of the universe has an average energy density of 3.88 × 10^(-14) J/m3. What is the rms value of the electric field of this radiati
It has been suggested that rotating cylinders about 12 mi long and 4.6 mi in diameter be placed in space and used as colonies. What angular speed must such a cylinder have so that the centripetal ac
A capacitor with an initial potential difference of125V is discharged through a resistor when a switch between them is closed att= 0. Att=5.0s, the potential difference across the capacitor is1.80V
A rotating merry-go-round makes one complete revolution in 4.0s. A) What is the linear speed of a child seated 1.2m from the center?
What is the magnitude of the electric force on one of the masses? - I got 0.00225N and I need it in two significant figures so I typed in 2.3x10^-3 and 0.23x10^-2 and they are very close but I have
The bullet, from a .22 caliber rifle, has an initial speed of 330 m/s and it comes to rest inside the block. How far from the edge of the table will the bullet-block system hit the floor?
Two points on a string are observed as a traveling wave passes them. The points are at x1 = 0 and x2 = 1 m. The transverse motion of the two points are found to be as follows: y1 = 0.2 sin (3*pi*t)
A pot containing a plant, weighing 76 N is hung from the ceiling with a group of bungee cords. If pulled down and released, the pot oscillates vertically with period 6 s. What is the effective force
The static and kinetic coefficients of friction between the wood and the cement are 0.56 and 0.35, respectively. How many newtons of tension, T, were required in the the pulley rope, for the crate t
A man is using a cord to tow a sled at constant speed on a horizontal ground surface. The mass of the sled is 10 kg. The man pulls on the cord with a force of 71 N. The cord is straight and at an an
A force has a strength of 87 N and makes an angle of 21 degrees with respect to the positive x axis, in the x-y plane. What is the y component of this force (in N)?
A scaffold of mass 56 kg and length 5.5 m is supported in a horizontal position by a vertical cable at each end. A window washer of mass 88 kg stands at a point 1.3 m from one end. (a) What is the t
What is the height, hm in meters? Write an expression for the ball's total mechanical energy, Em, in terms of its maximum height, hm.
A 1.15 kilo ohm resistor and a 1.2 nanoF capacitor are connected in series to a 1250 Hz generator with an rms voltage of 14.2 V. A) what is the rms current in the circuit?
This toy is so adorable you pull the monkey down an additional d = 5.3 cm from equilibrium and release it from rest, and smile with delight as it bounces playfully up and down. Part (a) Using the g