True or False, no explanation needed. ( ) A charge with a velocity perpendicular to a...
True or False, no explanation needed.
( ) A charge with a velocity perpendicular to a uniform B field will move in a circular path in a plane perpendicular to the B field.
( ) A charge with a velocity perpendicular to a uniform B field will experience a magnetic force of F=qvB
( ) For a mass m to maintain a circular motion on an orbit of radius r, the needed centripetal force is mv/r.
( ) For a mass m to maintain a circular motion on an orbit of radius r, the needed centripetal force is mv2/r.
( ) For a circular motion of constant speed, the time to finish one circle is T=2πr/v
( ) For a circular motion of constant speed, the angular velocity is ω=v/r= 2π/Τ
( ) A charge with a velocity at an angle to a uniform B field will move in a helical path.
Homework Answers
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True or False, no explanation needed.
( ) A charge
with a velocity perpendicular to a...
1).In a uniform circular motion, instantaneous velocity is tangent to the circle a) True b) False...
1).In a uniform circular motion, instantaneous velocity is tangent to the circle a) True b) False c) Can's say 2).In a uniform circular motion, acceleration is normal to the velocity and directed toward the center a) True b) False c) Unknown 3). For a particle of mass 'm' moving with a uniform velocity 'v' in a circle of radius 'r', write the expression for centripetal force (Fc)? 4). If a particle rotates in a circle of radius r= 10 cm...
1). In a uniform circular motion, instantaneous velocity is tangent to the circle a) True b)...
1). In a uniform circular motion, instantaneous velocity is tangent to the circle a) True b) False c) Can's say 2).In a uniform circular motion, acceleration is normal to the velocity and directed toward the center a) True b) False c) Unknown 3). For a particle of mass 'm' moving with a uniform velocity 'v'in a circle of radius 'r', write the expression for centripetal force (Fc)? 4). If a particle rotates in a circle of radius r = 10...
An object of mass m moves at a constant speed v in a circular path of radius r.
An object of mass m moves at a constant speed v in a circular path of radius r. The force required to produce the centripetal component of acceleration is called the centripetal force and is given by F=mv2/r. Newton's Law of Universal Gravitation is given by F=GMm/d2, where d is the distance between the centers of the two bodies of masses M and m, and G is a gravitational constant. The speed required for circular motion is v= √(GM/r). Use the...
5. An electron carrying charge -9 (where q=1.602e-19 C) is moving along the x axis in...
5. An electron carrying charge -9 (where q=1.602e-19 C) is moving along the x axis in the +x direction with a velocity ū(x, y, z) = 5 x 107 cm/s. a. We want to make the electron to curve to the right and eventually go in a circle clockwise in the xy plane by applying a magnetic field. To achieve that, the magnetic field should exert a force on the electron that is perpendicular to its direction of motion. Which...
A 0.8 C (Coulomb) charge of mass 0.2kg is moving with a speed of 20 m/s...
A 0.8 C (Coulomb) charge of mass 0.2kg is moving with a speed of 20 m/s in a circular orbit of radius r in a uniform magnetic field of magnitude 0.5 T (Tesla) directed perpendicular to the velocity of the charge. (a) Find the radius r of the circular orbit (b) Find the new value of the radius r if the speed of the charge is doubled (i.e., speed = 40 m/s) (a) r = 20 m, (b) r...
1. An electron enters a uniform magnetic field of 2.5 mT with a velocity perpendicular to...
1. An electron enters a uniform magnetic field of 2.5 mT with a velocity perpendicular to the direction of the field. At what speed must the electron enter the region in order to traverse a circular path with a radius of 2.5 cm?
A proton moves in a circular orbit 150 mm in radius that is perpendicular to a...
A proton moves in a circular orbit 150 mm in radius that is perpendicular to a uniform 0.25 T magnetic field. a. What is the speed of the proton? b. How long does it take for the proton to move once in a circle? c. Would the radius increase or decrease if the proton were heavier? d. Would the radius increase or decrease if the magnetic field were larger? e. Does the speed change if the proton were negatively charged?...
Part A ) A charge is accelerated across a voltage difference. Part B) After being sped...
Part A ) A charge is accelerated across a voltage
difference.
Part B) After being sped up, it ends up in a region with a
uniform B- field.
Part C) The magnetic force is perpendicular to the charge’s
velocity; it acts as a centripetal force. The charge travels in
a circular path.
To calculate the charge to mass ratio of electron and to compare it with its accepted value of 1.759 x 1011CKg Theory: Charges will be sped up and...
A charge of 4.3 μC moves with a speed of 3 m/sm/s perpendicular to a uniform...
A charge of 4.3 μC moves with a speed of 3 m/sm/s perpendicular to a uniform magnetic field of 36 TT . What is the mass of the charge if the radius of the resulting circular motion is 1.2 mm ?
3. Circular Motion in a Magnetic Field See Figure 2. A particle of charge +e and...
3. Circular Motion in a Magnetic Field See Figure 2. A particle of charge +e and mass m is accelerated from rest by a potential difference V. The particle then enters a region of uniform magnetic field B perpendicular to the velocity. The particle will undergo uniform circular motion. It instead, the charge is doubled and the mass is quadrupled, while keeping both the potential difference and strength of the magnetic field the same, i) how does the radius of...
1).In a uniform circular motion, instantaneous velocity is tangent to the circle a) True b) False c) Can's say 2).In a uniform circular motion, acceleration is normal to the velocity and directed toward the center a) True b) False c) Unknown 3). For a particle of mass 'm' moving with a uniform velocity 'v' in a circle of radius 'r', write the expression for centripetal force (Fc)? 4). If a particle rotates in a circle of radius r= 10 cm...
1). In a uniform circular motion, instantaneous velocity is tangent to the circle a) True b) False c) Can's say 2).In a uniform circular motion, acceleration is normal to the velocity and directed toward the center a) True b) False c) Unknown 3). For a particle of mass 'm' moving with a uniform velocity 'v'in a circle of radius 'r', write the expression for centripetal force (Fc)? 4). If a particle rotates in a circle of radius r = 10...
5. An electron carrying charge -9 (where q=1.602e-19 C) is moving along the x axis in the +x direction with a velocity ū(x, y, z) = 5 x 107 cm/s. a. We want to make the electron to curve to the right and eventually go in a circle clockwise in the xy plane by applying a magnetic field. To achieve that, the magnetic field should exert a force on the electron that is perpendicular to its direction of motion. Which...
1. An electron enters a uniform magnetic field of 2.5 mT with a velocity perpendicular to the direction of the field. At what speed must the electron enter the region in order to traverse a circular path with a radius of 2.5 cm?
Part A ) A charge is accelerated across a voltage
difference.
Part B) After being sped up, it ends up in a region with a
uniform B- field.
Part C) The magnetic force is perpendicular to the charge’s
velocity; it acts as a centripetal force. The charge travels in
a circular path.
To calculate the charge to mass ratio of electron and to compare it with its accepted value of 1.759 x 1011CKg Theory: Charges will be sped up and...
3. Circular Motion in a Magnetic Field See Figure 2. A particle of charge +e and mass m is accelerated from rest by a potential difference V. The particle then enters a region of uniform magnetic field B perpendicular to the velocity. The particle will undergo uniform circular motion. It instead, the charge is doubled and the mass is quadrupled, while keeping both the potential difference and strength of the magnetic field the same, i) how does the radius of...
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