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An electron in the beam of a TV picture tube is accelerated by a potential difference of 2.04 kV. Then it passes through a region of transverse magnetic field, where it moves in a circular arc with a radius of 0.184 meter.
Determine what is the magnitude of the field? Use 9.11 × 10-31 kilogram for the mass of an electron and 1.60 ×10-19 C for the magnitude of the charge on an electron.
assume a bar 2 m long expands 0.6 cm when heated. By how much will a bar 100 m long of the same material expand when similarly heated.
When a 9.0 cm long pencil is arranged perpendicular to a convex mirror's optical axis at a distance of 22 cm from the mirror, How tall is the pencil's image if the pencil is moved to a distance of 50 cm from the mirror
A satellite is in a circular orbit around an unknown planet. The satellite has a speed of 1.50 x 104 m/s, and the radius of the orbit is 5.15 x 106 meter. Find the orbital speed of the second satellite
A 45 kg figure skater is spinning on the toes of her skates at 1.0 rev/s. Her arms are outstretched as far as they will go. In this orientation, the skater can be modelled as a cylindrical torso (40 kg, 20 cm average diameter, 160 cm tall) plus two r..
a 8.5 kg object undergoes an acceleration of 2.3 ms2.a what is the magnitude of the resultant force acting on it?b if
two identical guitar strings are prepared such that they have the same length 2.30 m and are under the same amount of
A steam catapult launches an aircraft from the aircraft carrier John C. Stenos, giving it a speed of 180 mi/h in 3.00 second. Find the average acceleration of the aircraft
an electric dipole consists of charges 2e and -2e separated by 1.0 nm. it is in an electric field of strength 4.0 x 106
A circus clown wiwith a mass 54 kg is launched vertically from a springloaded cannon using a spring with a spring constant of 3.5*10^3 N/m. What is maximum speed of clown
2.00 mol of a monaromic gas at atmospheric pressure has a total internal energy of 7.48x10^3J. What is the volume occupied a rigid cylinder by the gas
You throw a 25.0 N rock into the air from ground level and observe that, when it is 14.0 m high, find the rock's speed just as it left the ground
a steel wire 2.04 m long with a circular cross section must stretch no more than .260 cm when a 400.3 N weight is hung from one of its ends, what is the minimum diameter must this wire have
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