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A heart defibrillator passes 10.5 A through a patient's torso for 5.00 ms in an attempt to restore normal beating.
(a) How much charge passed?
C
(b) What voltage was applied if 500 J of energy was dissipated?
kV
(c) What was the path's resistance?
k
(d) Find the temperature increase caused in the 8.00 kg of affected tissue.
A 0.449 kg ice puck, moving east with a speed of 2.91 m/s, has the head-on collision with a 0.846 kg puck initially at rest. Assume a perfectly elastic collision, what will be the speed and direction of each object after the collision.
An object with a charge of 0.880 µC is placed at the center of a regular icosahedron with 20 equivalent surfaces. What is the electric flux through one surface of the icosahedron?
Consider the following equations of motion. v = v0 + at ?x = v0t + (1/2) at^2 v2 = v02 + 2a?x (a) Can the equations above be used in a situation where the acceleration varies with time? (b) Can they be used when the acceleration is zero?
At time t = 0 s, apple 1 is dropped from a bridge onto a roadway beneath the bridge; somewhat later, apple 2 is thrown down from the same height.
an oxygen ion O2- is moving with a speed of 322 m/s in a direction perpendicular to a magnetic field of magnitude B, what is B
A certain freely falling object requires 1.6s to travel the last 38.00m before it hits the ground. From what height above the ground did it fall.
Lightning As a crude model for lightning, consider the ground to be one plate of a parallel-plate capacitor and a cloud at an altitude of 680m to be the other plate. Assume the surface area of the cloud to be the same as the area of a square that ..
A 7.89-kg fish swimming 4.23 m/s swallows an absent-minded 5.16-kg fish swimming toward it at a velocity that brings both fish to a halt immediately after lunch
A rifle with a barrel length of 58 fires an 11 bullet with a horizontal speed of 370. The bullet strikes a block of wood and penetrates to a depth of 15.
How much energy is transferred to the water as heat
A beam of parallel rays from a 24 MHz citizens band radio transmitter passes between two electrically conducting (hence opaque to radio waves) buildings located 45.00 m apart. What is an angular width of the beam as it emerges from between the buildi..
What is the kinetic energy of a 0.5-kg object moving at a constant speed of 2 m/s, A physics-110 student needs 500 W of Power to climb two flights of staris to get to the physics class room in 40 s
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