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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 thefourthdrop starts to fall
When the first drop hits the floor (as the fourth drop is dripping from the shower head), how far below the shower head is the third drop? [Thethird drop is the one that fell right before the fourth drop.
Three negative charges of equal magnitudes are positioned along the x-axis at x = -a, x=0, and x = +a respectively. How does the potential energy of the system of charges change as a result
What is the minimum coefficient of friction that will prevent sliding. What should be the highest speed of the car so it can round the curve safely.
A 12.9-g mass is suspended 3.45 cm above a nonconducting flat plate, directly above an embedded charge of q. by how much will the mass be changed
A pendulum, 1.0 m long, is pulled aside to the position wherethe 4.00 g "bob" has been raised verticall a distance of 10 cm. find the velocity of the bob at its lowest point
A diver accelerates through a somersault at 950 deg/s from standing. Find what is the angular displacement over .15 second
A point particle travels in a straight line at constant speed, and the closest distance it comes to the origin of coordinates is a distance L. By respect to this origin, does the particle have a nonzero angular momentum? As the particle moves along i..
A 40.0 kg girl and a 8.4 kg sled are on on ice (frection coefficient 0.01) of a frozen lake, draw free body diagrama for the girl and the sled
A steel sphere 3.0 cm in diamter has a mass of 0.11 kg. What is the mass of a steel sphere 5.0 cm in diameter
The speed of sound in bone is 3500 m/s. How much time does it take the echo of a sound wave to travel from the back of the bone to the front of the bone if the bone is 2.50 cm thick.
To avoid a rear-end collision with a slow moving vehicle ahead, you step on the accelerator and increase your angular speed to 13.4 x 10-2 rads/s in a time of 8 s. What is the tangential acceleration of the car
A thin, flat washer is a disk with an outer diameter of 14 cm and a hole in the center with a diameter of 3 cm. What is the electric field on the axis of the washer
Solid cylindrical copper rod 0.2m long has one end maintained at temperature 20K, other end blackened and exposed to thermal radiation from surrounding walls at 500K. what is the temperature of the blackened end
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