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I have 3 questions, please show work so I can learn how to do the problems on my own.
1. An electric field E in N/C, right causes the m in grams ball in the figure to hang at a T degree angle. What is the charge on the ball in nanoCoulombs?
2. What is the magnetic flux through the loop shown in the figure? B=5.49 T, G=1.73 T and L=46.62 cm.
3. A straight wire carrying a current of 40.27 A lies along the axis of a 9.34 cm-diameter solenoid. The solenoid is 0.68 m long and has 221.06 turns carrying a current of 6.18 A. What is the magnitude of the magnetic field, in mT, 1.82 cm from the wire?
A pencil (mass 5.8g and length 8.3cm) is at first balanced so that it is sitting vertically on a flat table. If the pencil then falls, find its angular velocity just before it strikes the tabletop. Assume that the mass of the pencil is distributed un..
when an object is placed 57.0 from a certain converging lens it forms a real image. when the object is moved to 38.0
A spring with a spring constant of 100N/s is compressed adistance of 0.1m horizontally. What is the maximum speed attained by the mass
a 1.00-kg mass is attached to a spring hanging vertically and hangs at rest in the equilibrium position. the spring
The direction angle of a vector is defined as its positive angle relativeto the positive x-axis.
Water drips from a shower head (the sprayer at the top of the shower) and falls onto the floor2.2m below. The droplets are falling at regular intervals (equal amounts of time between drops), with the first drop hitting the floor at the instant that t..
Question on constant speed
A sky diver of mass 81.0 kg jumps from a slow-moving aircraft and reaches a terminal speed of 51.5 m/s. What is the acceleration of the sky diver when her speed is 30.0 m/s
A vacuum diode consists of a cylindrical cathode of radius 0.05cm, mounted coaxially within a cylindrical anode 0.45 cm in radius. The potential of the anode is 300 V higher than that of the cathode. An electron leaves the surface of the cathode w..
A 4.10g lead bullet traveling at300m/s is stopped by a large tree. what is the increase in temperature of the bullet
A simple pendulum makes 137 complete oscillations in 3.20 min at a location where g = 9.80 m/s2. Find the period of the pendulum.
An ac generator with a frequency of 150Hz and an rms voltage of 22.5V is connected in series with a 15.0kilo ohms resistor and a 0.210microF capacitor. What is the rms current in this circuit?
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