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A charge q1 = 18.0 µC moves with a speed of 4.50 103 m/s perpendicular to a uniform magnetic field. The charge experiences a magnetic force of 7.41 10-3 N. A second charge q2 = 4.00 µC travels at an angle of 40.0° with respect to the same magnetic field and experiences a 1.80 10-3-N force. Determine
(a) the magnitude of the magnetic field and T
(b) the speed of q2. m/s
a 130g piece of metal is heated to 286C and dropped into 87.0g of water at 26C, if the final temperature of the water is 58.3C.
The regression of Y on X predicts? When predicting Y, adding a second predictor variable to the first predictor variable X.
It is now July 31st. You are continuing to advise Dr. Leo Krusack on basic accounting procedures. His practice had the following transactions during July.
Hedging Exchange Rate Risk. An importer in the United States is due to take delivery of silk scarves from Europe in 6 months. The price is fixed in euros.
you observe 50,000 RFUs in a 200 microliter aliquot from a G3-500ml culture. How many total RFUs will be present in a 15 mLsample? If you recover 80% of the fluorescing protein during purification, what would the maximum total number of RFUs prese..
An accounting firm is trying to understand the capability of its process to review certain types of account audits. What is the percentage of audits that will take longer than 15 hours?
Construct a 98 percent confidence interval for the true proportion of ranch style homes. (Round your answers to 4 decimal places.)
A 50.0 ball of clay traveling east at 8.00 collides and sticks together with a 40.0 ball of clay traveling north at 8.00. Illustrate what is the speed of the resulting ball of clay?
Journalize the following selected transactions completed during the current fiscal year:
Consider the stock of Davidson Company, which will pay an annual dividend of $2 one year from today. The dividend will grow at a constant annual rate of 5 percent
A uniform magnetic field of 0.50 T is directed along the positive x axis. A proton moving with the speed of 60 km/s enters this field. The helical path followed by the proton shown has a pitch of 5.0 mm. find the angle between the magnetic field an..
Two people are carrying a uniform wooden board that is 3.00 m long and weighs 160 N. If one person applies an upward force equivalent to 60 N at one end, at what point does the other person lift . If the tangential acceleration of a yo-yo at the en..
A loudspeaker of mass 22.0 {rm kg} is suspended a distance of h = 1.60 {rm m} below the ceiling by two cables that make equal angles with the ceiling. Each cable has a length of l = 3.90 {rm m}.
A chimp jumps up from a trampoline and lands on the ground, 1.2 meters below. the total time taken was .095 secons. A. what is the initial velocity B. what is the final velocity C. what is the maximum height above the ground please show work so i ..
Analyse the instantaneous velocity of the car
A 23 bullet traveling 245 penetrates a 3.0 block of wood and emerges cleanly at 195 .If the block is stationary on a frictionless surface when hit, how fast does it move after the bullet emerges.
A 140g coin sits on a horizontally rotating turntable. The turn table makes on revolution each 2 s. the coin is located 8.00 cm from the axis of rotation of the turntable. The acceleration of gravity is 9.81 m/s/s. what is the frictional force acting..
A duck has a mass of 2.6 kg. As the duck paddles, a force of 0.11 N acts on it in a direction due east. In addition, the current of the water exerts the force of 0.12 N in a direction of 44° south of east. When these forces begin to act, the velocity..
Coulomb's Law gives us an expression for the electric field caused by a point charge with magnitude . Suppose we have several point charges. The electric field at a location is the vector sum of point charge contributions.
In the physics lab a metal spring is stretched 10cm vertically downward by a 500 g mass attached to it. How much would the similar spring with the same attach mass stretn themon? The mass of the moon is 7.35 x 10 to the 22kg, gravity is 1.62 m/s a..
What is the velocity of the beam of electrons that go undeflected when passing during perpendicular electric and magnetic fields of magnitude 4700 V/m and 3.6×10-3 T, correspondingly.
An ideal spring has the spring constant k = 428 N/m. find the distance this spring must be stretched from its equilibrium position for 28 J of work to be done.
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