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Four wires meet at a junction. In two of the wires currents I1 = 1.51 A and I2 = 2.99 A enter the junction. In one of the wires current I3 = 6.71 A leaves the junction. Find the current in the fourth wire and indicate its direction.
Current: _______ A
Direction:
a) out of the junction
b) into the junction
c) undetermined
A catcher catches a fastball going 95mi/hr and recoils 12cm while stopping the ball in 0.005s. FIND the average force the ball exerts on the hand & glove
Find the intensity of the starlight at the Earth, Find the power of the starlight the Earth intercepts. One light-year is the distance traveled by the light through a vacuum in one year
As you ride your 14-kg bicycle on level ground you do some work against a 30N force of air resistance if your mass is 65-kg.What is power you apply to maintain a velocity of 25-km`.a-on level ground b-going up a 5degrees slope?(remember it's a num..
A 15 ohm resistor is connected to the terminal of a 12 V battery, Sketch the circuit and Calculate the current in the circuit
A proton moves through a magnetic field at 25.9% of the speed of light. what is the magnitude of the magnetic force acting on the proton
Find out the maximum elevation of the ball.
then collides with a spring whose spring constant is 250 N/m. angle is 30 degrees. Illustrate what is the maximum compression of the spring?
Chuck Norris's razor blade has an output force of 2500 lbs is used to shear his burley face. The shaving blade has the 0.35 inch thick blade with a 55 degree slope.
A vessel whose walls are thermally insulated contains 2.5 {rm kg} of water and 0.6 {rm kg} of ice, all at a temperature of 0.0 ^circ {rm{C}}. The outlet of a tube leading from a boiler in which water is boiling at atmospheric pressure is inserted ..
The 20-cm-long wrench in the figure swings on its hook with a period of 0.80s, What is the moment of inertia about the hook
An uncharged capacitor and a resistor are connected in series to a source of emf. If e m f = 9.00 V, C = 15.0 µF, and R = 100 ?, find the charge on the capacitor after one time constant
What is the angular velocity of the disk. If a single bit requires 5 µm of length along the motion direction, how many bits/second can the writing head write when it is 3.0 cm from the axis? display all work and explanations.
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