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A projectile is fired at v0 = 394.0 m/s at an angle of θ = 64.2o with respect to the horizontal. Assume that air friction will shorten the range by 29.1%. How far will the projectile travel in the horizontal direction, R?
q1 = -2 ?C is at (-5cm, 3cm) and q2 = +8?C is at (0,0). Find the x component of the electric force exerted on q2 due to q1
Ball A has a mass of 0.90 kg and moves with an initial speed of 10.60 m/s. It collides with stationary balls B and C, whose centers are on a line vertical to the initial velocity of ball A and that are initially in contact with one-another.
When a potential difference of 172 V is applied to the plates of a parallel-plate capacitor, the plates carry a surface charge density of 23.0 nC/cm2
The ball loses contact with the spring and leaves the gun when the spring is still compressed by 12 cm. Elucidate what is the speed of the ball when it hits the ground, 1.4 m below the spring gun?
IP A uniform electric field of magnitude 6 times 10^3 ;{rm{N/C}} points upward. An empty, closed shoe box has a top and bottom that are 37 cm by 28 cm, vertical ends that are 28 cm by 21cm, and vertical sides that are 21 cm by 37 cm.
A 100 ball on a 60 long string is swung in a vertical circle whose center is 200 above the floor. The string suddenly breaks when it is parallel to the ground and the ball is moving upward. The ball reaches a height 600 above the floor.What is the..
A hiker's trip consists of three segments. Path A is 8-km long heading 60.0 degrees north of east. Path B is 7.0 km long in a direction due east. Path C is 4sa-km long heading 315 degrees counter clockwise from east. Graphically add hiker's displa..
Let us model the electric behavior of such a molecule by a pair of ±1.60 × 10-19-C charges connected by a spring with force constant 8.29 × 10-4 N/m, Find the charge separation distance in an electric field of 6.41 × 105 N/C
Two long, parallel wires, each with the mass per unit length of 43 g/m, are supported in a horizontal plane by 6-cm long strings. Each wire carries the similar current, I, causing the wires to repel each other so that the angle, θ, between the sup..
What were the initial charges on the spheres? Since one is negative and you cannot tell which is positive or negative, there are two solutions. Take the absolute value of the charges and enter the smaller value here.
The bonds are dated April 1, 2000, and are issued on that date. The discount rate of interest for such bonds on April 1, 2010, is 10%. Illustrate what cash proceeds did Harding Company receive from issuance of the bonds?
A rock of mass 47 kg accidentally breaks loose from the edge of a cliff and falls straight down. The magnitude of the air resistance that opposes its downward motion is 252 N. Determine the magnitude of the acceleration of the rock
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