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1. The speed of light in vacuum is186,000 mi/s = 3.00 × 108 m/s . Use this fact to find the number of kilometers in a mile.
2. A rectangular prism has the following dimensions: 11= 45.0 cm, 12= 105cm, 13= 48.0 cm.a) What is its volume in cm3?b) What is its volume in liters?Conversion factors: 1m3 = 1000L : 1m = 100cm .
3. In the following equation: x = C1 sin (C2 t) , where the distance x is in meters, and the time t is in seconds.What are the SI units of the constants C1 and C2?
A point charge of 8.40 mC is surrounded by an equipotential surface with a radius of 0.298 m. What is the electric potential on the surface
An inductor has a 53.6 ohm reactance when connected to a 60.0-Hz source, What is the maximum current in the inductor
Two identical particles move under the influence of a central force, for which the potential energy function is V(r) = ? (k /r) (1 ? ?a/r), Determine the ratio of the periods
Two small particles have charges Q1 = +2.5 C and Q2 = 5.5 C. If the magnitude of the electric force between the particles is 110 N, what is the distance between the particles?
The height of a helicopter above the ground is given by h = 2.90t3, where h is in meters and t is in seconds. How long after its release does the mailbag reach the ground
Three identical capacitors are connected in parallel to a battery. If a total charge of Q flows from the battery, how much charge does each capacitor carry
A 4-kg ball traveling to the right with a speed of 4 m/s collides witha 5-kg ball traveling to the left with a speed of 2 m/s. What is the total momentum of the two balls before they collide
A student (m = 63kg) falls freely from rest and strikes the ground. During the collision with the ground, he comes to rest in a time of 0.040 s. From what height did the student fall
A small mail bag is released from a helicopter that is descending steadily at 2.83 m/s. After 2.43 s, what is the speed of the mail- bag? How far is the mailbag below the helicopter at 2.43 s
the generation rate for a contaminant is 25 mgmin. the dilution volume flow rate is 4000 cfm. what is the equilibrium
In our electrostatics lab, we charge a metal sphere to 1000 V. What is the electric potential due to the charged sphere at a point 1.00 cm from its surface
What is the charge density on the surface. suppose that air resistance can be neglected.
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