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1. momentum. 2. charge. 3. impulse. 4. energy 5. velocity 014 (part 1 of 2) 10.0...
Find the speed of an electron that has a kinetic energy of 2.07 eV. 1 eV= 1.602 x 10^-19 J. Answer in units of m/s. Ca...
Find the speed of an electron that has a kinetic energy of 2.07
eV. 1 eV= 1.602 x 10^-19 J. Answer in units of m/s.
Calculate the speed of a proton with a kinetic energy of 2.07
eV. Answer in units of m/s.
A parallel-plate capacitor has a capacitance Co. A second
parallel-plate capacitor has plates with twice the area and twice
the separation. What is the capacitance of the second
capacitor?
Calculate the energy stored in a 27.3 uF...
013 (part 1 of 4) 10.0 points You throw a softball (of mass 200 g) straight...
013 (part 1 of 4) 10.0 points You throw a softball (of mass 200 g) straight up into the air. It reaches a maximum altitude of 13.9 m and then returns to you What is the gravitational potential energy of the soft ball at its highest position? Assume the ball departed from and returned to ground level. Answer in units of J. 014 (part 2 of 4) 10.0 points Assume no energy is lost by the softball while it is...
014 (part 1 of 3) 10.0 points A ladder with a length of 11.5 m and...
014 (part 1 of 3) 10.0 points A ladder with a length of 11.5 m and weight of 544.0 N rests against a frictionless wall, making an angle of 60.0° with the horizontal. Find the horizontal force exerted on the base of the ladder by Earth when a firefighter weighing 817.0 N is 2.79 m from the bottom of the ladder. Answer in units of N. 015 (part 2 of 3) 10.0 points Find the vertical force exerted on the...
007 (part 1 of 6) 10.0 points A hydrogen atom is in the excited state (n-...
007 (part 1 of 6) 10.0 points A hydrogen atom is in the excited state (n- Using the Bohr theory of the atom, find the radius of the orbit. The value of h is 1.05 x 103 Js. Answer in units of nm. 008 (part 2 of 6) 10.0 points Find the linear momentum of the electron. Coulomb's constant is 8.99 x 10 N m2/C2 Answer in units of kg m/s. 009 (part 3 of 6) 10.0 points Find the...
002 (part 1 of 3) 10.0 points A proton has an initial velocity of 3.62 x...
002 (part 1 of 3) 10.0 points A proton has an initial velocity of 3.62 x 107 m/s in the horizontal direction. It enters a uniform electric field of 21500 N/C directed vertically. Ignoring gravitational effects, find the time it takes the proton to travel 0.056 m horizontally. The mass of the proton is 1.6726 x 10-27 kg and the fundamental charge is 1.602 x 10-19 C. Answer in units of ns. 003 (part 2 of 3) 10.0 points What...
Part 1,2 and 3 004 (part 1 of 3) 10.0 points A 0.657 kg particle has...
Part 1,2 and 3
004 (part 1 of 3) 10.0 points A 0.657 kg particle has a speed of 2.6 m/s at point A and kinetic energy of 7 J at point B. What is its kinetic energy at A? Answer in units of J. 005 (part 2 of 3) 10.0 points What is the particle's speed at B? Answer in units of m/s. 006 (part 3 of 3) 10.0 points What is the total work done on the particle...
022 (part 1 of 3) 10.0 points A proton moves at a speed of 0.88 c....
022 (part 1 of 3) 10.0 points A proton moves at a speed of 0.88 c. Find its rest energy. Answer in units of J. Part 2: Find its kinetic energy. Answer in units of J. Part 3: Find its total energy. Answer in units of J.
004 (part 1 of 3) 10.0 points A 0.878 kg particle has a speed of 4.8...
004 (part 1 of 3) 10.0 points A 0.878 kg particle has a speed of 4.8 m/s at point A and kinetic energy of 6.4 J at point What is its kinetic energy at A? Answer in units of J. 005 (part 2 of 3) 10.0 points What is the particle's speed at B? Answer in units of m/s. 006 (part 3 of 3) 10.0 points What is the total work done on the particle as it moves from point...
012 (part 1 of 4) 10.0 points A massless spring with force constant 277 N/m is...
012 (part 1 of 4) 10.0 points A massless spring with force
constant 277 N/m is fastened at its left end to a vertical wall, as
shown below. The acceleration of gravity is 9.8 m/s 2 . Initially,
the 8 kg block and 3 kg block rest on a horizontal surface with the
8 kg block in contact with the spring (but not compressing it) and
with the 3 kg block in contact with the 8 kg block. The 8...
013 (part 1 of 4) 10.0 points A 143 Ω lamp, a 27 Ω electric heater,...
013 (part 1 of 4) 10.0 points A 143 Ω lamp, a 27 Ω electric heater, and a 49 Ω fan are connected in parallel across a 124 V line. What total current is supplied to the cir- cuit? Answer in units of A 014 (part 2 of 4) 10.0 points What is the voltage across the fan? Answer in units of V 015 (part 3 of 4) 10.0 points What is the current in the lamp? Answer in units...
Find the speed of an electron that has a kinetic energy of 2.07
eV. 1 eV= 1.602 x 10^-19 J. Answer in units of m/s.
Calculate the speed of a proton with a kinetic energy of 2.07
eV. Answer in units of m/s.
A parallel-plate capacitor has a capacitance Co. A second
parallel-plate capacitor has plates with twice the area and twice
the separation. What is the capacitance of the second
capacitor?
Calculate the energy stored in a 27.3 uF...
013 (part 1 of 4) 10.0 points You throw a softball (of mass 200 g) straight up into the air. It reaches a maximum altitude of 13.9 m and then returns to you What is the gravitational potential energy of the soft ball at its highest position? Assume the ball departed from and returned to ground level. Answer in units of J. 014 (part 2 of 4) 10.0 points Assume no energy is lost by the softball while it is...
014 (part 1 of 3) 10.0 points A ladder with a length of 11.5 m and weight of 544.0 N rests against a frictionless wall, making an angle of 60.0° with the horizontal. Find the horizontal force exerted on the base of the ladder by Earth when a firefighter weighing 817.0 N is 2.79 m from the bottom of the ladder. Answer in units of N. 015 (part 2 of 3) 10.0 points Find the vertical force exerted on the...
007 (part 1 of 6) 10.0 points A hydrogen atom is in the excited state (n- Using the Bohr theory of the atom, find the radius of the orbit. The value of h is 1.05 x 103 Js. Answer in units of nm. 008 (part 2 of 6) 10.0 points Find the linear momentum of the electron. Coulomb's constant is 8.99 x 10 N m2/C2 Answer in units of kg m/s. 009 (part 3 of 6) 10.0 points Find the...
002 (part 1 of 3) 10.0 points A proton has an initial velocity of 3.62 x 107 m/s in the horizontal direction. It enters a uniform electric field of 21500 N/C directed vertically. Ignoring gravitational effects, find the time it takes the proton to travel 0.056 m horizontally. The mass of the proton is 1.6726 x 10-27 kg and the fundamental charge is 1.602 x 10-19 C. Answer in units of ns. 003 (part 2 of 3) 10.0 points What...
Part 1,2 and 3
004 (part 1 of 3) 10.0 points A 0.657 kg particle has a speed of 2.6 m/s at point A and kinetic energy of 7 J at point B. What is its kinetic energy at A? Answer in units of J. 005 (part 2 of 3) 10.0 points What is the particle's speed at B? Answer in units of m/s. 006 (part 3 of 3) 10.0 points What is the total work done on the particle...
022 (part 1 of 3) 10.0 points A proton moves at a speed of 0.88 c. Find its rest energy. Answer in units of J. Part 2: Find its kinetic energy. Answer in units of J. Part 3: Find its total energy. Answer in units of J.
004 (part 1 of 3) 10.0 points A 0.878 kg particle has a speed of 4.8 m/s at point A and kinetic energy of 6.4 J at point What is its kinetic energy at A? Answer in units of J. 005 (part 2 of 3) 10.0 points What is the particle's speed at B? Answer in units of m/s. 006 (part 3 of 3) 10.0 points What is the total work done on the particle as it moves from point...
012 (part 1 of 4) 10.0 points A massless spring with force
constant 277 N/m is fastened at its left end to a vertical wall, as
shown below. The acceleration of gravity is 9.8 m/s 2 . Initially,
the 8 kg block and 3 kg block rest on a horizontal surface with the
8 kg block in contact with the spring (but not compressing it) and
with the 3 kg block in contact with the 8 kg block. The 8...
013 (part 1 of 4) 10.0 points A 143 Ω lamp, a 27 Ω electric heater, and a 49 Ω fan are connected in parallel across a 124 V line. What total current is supplied to the cir- cuit? Answer in units of A 014 (part 2 of 4) 10.0 points What is the voltage across the fan? Answer in units of V 015 (part 3 of 4) 10.0 points What is the current in the lamp? Answer in units...
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