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When a shower is turned on in a closed bathroom, the splashing of the water on the bare tub can fill the room's air with negatively charged ions and produce an electric field in the air as great as
A rifle is aimed horizontally at a target 54.0m away. The bullet hits the target 2.60cm below the aim point, What was the bullet's flight time
The drawing shows an equilateral triangle, each side of which has a length of 1.59 cm. Point charges are fixed to each corner, Determine the charge qA and q
A 1kg of ice at -30° C is added to 10 kg of steam at 500°C. answer the following questions, What is the final temperature when the equilibrium is established
A proton is released from rest inside a region of constant, uniform electric field E1 pointing due North. 29.8 seconds after it is released, What is the ratio of the magnitude of E2 to the magnitude
Two forces, F? 1 and F? 2, act at a point. F? 1 has a magnitude of 8.20N and is directed at an angle of 60.0, What is the x and component of the resultant force
Vector A, which is directed along an x axis, is to be added to vector Bvec , which has a magnitude of 3.0 m, with a magnitude that is 5 times that of A, What is the magnitude of A
Imagine a truck with a mass of 30 metric tons (t) (1 t=1,000 kg) barrelling down a highway at a speed of 50 mi/h. What is the truck's momentum in kilograms
While on an elevator, Jaden's apparent weight is 550N, When he is on the ground, the scale reads 600N, What is Jaden's acceleration while on the elevator
Two resistors have resistances R(smaller) and R(larger), where R(smaller) < R(larger), the total current from the battery is 9.84 A, Determine the two resistances
A pipe is open at both ends. Its length is 22.81 cm. If I excite standing waves in the pipe by blowing air over one of its ends, Find the distance between the antinodes at the two ends of the pipe
four charges, q1=1.5 nC, q2=4nC, q3=20nC and q4=-1nC are placed so that q4=(0,0) q1 is north of q4 and .5m away q2 is east of q4 and 1.0m away q3 is SW of q4 at angle of 36.9 degrees
Nancy pulls box with 6 N force northward; Edward pulls with 4N force eastwood and Sally pulls with 5N force 36.9 degrees south of west
A straight rod of length L = 22.2 cm, carries a uniform charge, ? = 3.00 × 10-6 C/m, What is the magnitude of the electric field at yP = 50.0 cm
Vector A~ has a magnitude of 9 and points in the positive x-direction. Vector B~ has a magnitude of 19 and makes an angle of 38? with the positive x-axis
Water at a pressure of 3.00*10^5 Pa flows through a horizontal pipe at a speed of 1.00 m/s. The pipe narrows to one-fourth its original diameter
A 15 pF capacitor is charged to 1 kV and then removed from the battery and connected in parallel to an uncharged 65 pF capacitor, Find the change in energy
An air-filled capacitor consists of two parallel plates, each with an area of 7.06 cm2, separated by a distance of 1.28 mm, Find the capacitance
A cylindrical copper rod of length 1.2 m and cross-sectional area 4.8 cm2 is insulated to prevent heat loss through its surface, Find the rate at which heat is transferred along the rod
A monatomic ideal gas expands on a linear process such that P=3V + P1 ( initial pressure.) P1 and V1 are the initial pressure and initial volume
Consider a car driving at constant velocity. The force of friction acting on the car in Newtons is, Find the magnitude of f when v = 50 miles/h
A bug starts at the origin of the xy coordinate system with an initial velocity of (2.2 + -0.4) m/s, What is the y position of the bug at t=2 seconds
An electron with speed v0 =4.16×106m/s is traveling parallel to and along the same direction as an electric field of magnitude E = 7.90×103N/C, How far will the electron travel before it
The focal length of a relaxed human eye is approximately 1.71 cm, Calculate the focal length of the eye when we focus closely
An airplane pilot wishes to fly due west. A wind of 72.0 km/h is blowing toward the south, What is the speed of the plane over the ground