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A10 M? resistor is connected in series with a 1 μF capacitor and a 12 V battery. When the circuit is connected the capacitor begins to charge. a) At what time will the capacitor have a 0.2μC charge? b) What is the current at this time? c) What is the potential difference across the resister at a time of 2 s? d) What is the potential difference across the resister at a time of 10 s?
A hollow sphere of radius 0.50 m, with rotational inertia I = 0.038 kg m2 about a linethrough its center of mass, rolls without slipping up a surfaceinclined at 40° to the horizontal. Ata certain initial position, the sphere's total kinetic energy ..
A circular wheel has a radius R = 0.45 + or - 0.02 m. The wheel is observed to be rotating uniformly with period T = 2.00 +or- 0.05 s. Compute the frequency with which the wheel spins
An 8-kg box is pushed 15 m across a level floor by a constant 15.7-N applied force. Assuming the box starts from rest, what is the final velocity of the box at the 15-m point
An ambulance has a siren of frequency 700 Hz. If the ambulance is moving at a speed of 60 miles per hour, what will be the frequency heard by a man standing on the sidewalk as the ambulance approaches him
Find the position of the center of mass of the system of the sun and Jupiter. Since Jupiter is more massive than the rest of the planets combined.
An isotope of krypton has a half-life of 3 minutes. A sample of this isotope produces 1000 counts per minute in a Geiger counter. Determine the number of counts per minute produced after 15 minutes.
Suppose the ball leaves the pitcher's hand by velocity of 15 m/sec directed horizontally. Take the point of throw to be 2m above ground. Where does the ball hit the ground?
At 12°C, a brass cube has an edge length of 25 cm. What is the increase in the cube's surface area when it is heated from 12°C to 97°C
you are to launch a rocket from just above the ground with one of the following initial velocity vectors 1 v initial
An object is dropped from a height of 55 m above ground level. Determine the final speed at which the object hits the ground
A parallel-plate capacitor is connected to a battery and stores 4.7nC of charge. Then, while the battery remains connected, a sheet of Teflon is inserted among the plates. By how much does the charge change?
An automobile tire is inflated with air originally at 10°C and normal atmospheric pressure. Determine what is the tire pressure
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