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013 (part 1 of 2) 10.0 points A new type of 36.0 W lamp is designed...
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...
013 (part 1 of 2) 10.0 points In an experiment designed to measure the strength of...
013 (part 1 of 2) 10.0 points In an experiment designed to measure the strength of a uniform magnetic field produced by a set of coils, electrons are accelerated from rest through a potential difference of 323 V. The resulting electron beam travels in a circle with a radius of 6.96 cm. The charge on an electron is 1.60218 x 10-19 C and its mass is 9.10939 x 10-31 Assuming the magnetic field is perpendic- ular to the beam, find...
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...
part 1 &2 021 (part 1 of 2) 10.0 points pro A student sits on a...
part 1 &2
021 (part 1 of 2) 10.0 points pro A student sits on a rotating stool holding twoit's 2 kg objects. When his arms are extended horizontally, the objects are 0.7 m from the mot axis of rotation, and he rotates with angular ing speed of 0.66 rad/sec. The moment of inerA tia of the student plus the stool is 2 kgm and is assumed to be constant. The student then pulls the objects horizontally to a radius...
011 (part 1 of 2) 10.0 points If a toaster is plugged into a source of...
011 (part 1 of 2) 10.0 points If a toaster is plugged into a source of alter- nating voltage with an rms value of 134 V, an rms current of 5.75 A occurs in the heating element. What is the resistance of the toaster's heat- ing element? Answer in units of Ω 012 (part 2 of 2) 10.0 points What is the average power input to the toaster? Answer in units of W.
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...
013 (part 1 of 2) 10.0 points A 4.6 kg steel ball and 2.5 m cord...
013 (part 1 of 2) 10.0 points A 4.6 kg steel ball and 2.5 m cord of negli- gible mass make up a simple pendulum that can pivot without friction about the point O This pendulum is released from rest in a hor izontal position and when the ball is at its lowest point it strikes a 4.6 kg block sitting at rest on a shelf. Assume that the collision is perfectly elastic and take the coefficient of friction between...
Can someone help with these two questions? 025 (part 1 of 2) 10.0 points An electric...
Can someone help with these two questions?
025 (part 1 of 2) 10.0 points An electric car is designed to run on a bank of batteries with a total potential difference of 44 V and a total energy storage of 2.6x107 J. search o hp If the electric motor draws 5.0 kW, what is the current delivered to the motor? Answer in units of A. 026 (part 2 of 2) 10.0 points If the electric motor draws 5.0 kW as...
011 (part 1 of 2) 10.0 points Tom the cat is chasing Jerry the mouse across...
011 (part 1 of 2) 10.0 points Tom the cat is chasing Jerry the mouse across a table surface 0.6 m off the floor. Jerry steps out of the way at the last second, and Tom slides off the edge of the table at a speed of 6.3 m/s. Where will Tom strike the floor? The ac- celeration of gravity is 9.8 m/s2 Answer in units of m. /tmp/1198965-1547040323181 X quest.cns.utexas.edu images/problem pdf?instance-courseuserassignment 012 (part 2 of 2) 10.0 points...
016 (part 1 of 2) 10.0 points A crate is pulled by a force (parallel to...
016 (part 1 of 2) 10.0 points A crate is pulled by a force (parallel to the incline) up a rough incline. The crate has an initial speed shown in the figure below. The crate is pulled a distance of 9.28 m on the incline by a 150 N force. The acceleration of gravity is 9.8 m/s2 1.62 m/s 150 N 11 kg % . H 0.346 : 20° a) What is the change in kinetic energy of the crate?...
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...
013 (part 1 of 2) 10.0 points In an experiment designed to measure the strength of a uniform magnetic field produced by a set of coils, electrons are accelerated from rest through a potential difference of 323 V. The resulting electron beam travels in a circle with a radius of 6.96 cm. The charge on an electron is 1.60218 x 10-19 C and its mass is 9.10939 x 10-31 Assuming the magnetic field is perpendic- ular to the beam, find...
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...
part 1 &2
021 (part 1 of 2) 10.0 points pro A student sits on a rotating stool holding twoit's 2 kg objects. When his arms are extended horizontally, the objects are 0.7 m from the mot axis of rotation, and he rotates with angular ing speed of 0.66 rad/sec. The moment of inerA tia of the student plus the stool is 2 kgm and is assumed to be constant. The student then pulls the objects horizontally to a radius...
011 (part 1 of 2) 10.0 points If a toaster is plugged into a source of alter- nating voltage with an rms value of 134 V, an rms current of 5.75 A occurs in the heating element. What is the resistance of the toaster's heat- ing element? Answer in units of Ω 012 (part 2 of 2) 10.0 points What is the average power input to the toaster? Answer in units of W.
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...
013 (part 1 of 2) 10.0 points A 4.6 kg steel ball and 2.5 m cord of negli- gible mass make up a simple pendulum that can pivot without friction about the point O This pendulum is released from rest in a hor izontal position and when the ball is at its lowest point it strikes a 4.6 kg block sitting at rest on a shelf. Assume that the collision is perfectly elastic and take the coefficient of friction between...
Can someone help with these two questions?
025 (part 1 of 2) 10.0 points An electric car is designed to run on a bank of batteries with a total potential difference of 44 V and a total energy storage of 2.6x107 J. search o hp If the electric motor draws 5.0 kW, what is the current delivered to the motor? Answer in units of A. 026 (part 2 of 2) 10.0 points If the electric motor draws 5.0 kW as...
011 (part 1 of 2) 10.0 points Tom the cat is chasing Jerry the mouse across a table surface 0.6 m off the floor. Jerry steps out of the way at the last second, and Tom slides off the edge of the table at a speed of 6.3 m/s. Where will Tom strike the floor? The ac- celeration of gravity is 9.8 m/s2 Answer in units of m. /tmp/1198965-1547040323181 X quest.cns.utexas.edu images/problem pdf?instance-courseuserassignment 012 (part 2 of 2) 10.0 points...
016 (part 1 of 2) 10.0 points A crate is pulled by a force (parallel to the incline) up a rough incline. The crate has an initial speed shown in the figure below. The crate is pulled a distance of 9.28 m on the incline by a 150 N force. The acceleration of gravity is 9.8 m/s2 1.62 m/s 150 N 11 kg % . H 0.346 : 20° a) What is the change in kinetic energy of the crate?...
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