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A 1.0 x 10-9 C charge is at the origin, and a -1.00 x 10-9 C charge is 4.1 m to the right on the positive x-axis. The electric potential is -1.4 V at a point on the x-axis that is a distance d to the right of the negative charge. Find d.
A motorcycle and a police car are moving in the same direction, with the motorcycle in the lead. What frequency does the motorcyclist hear
Using the kinematic equation, prove that if two balls are released simultaneously from table, one with zero velocity and the other with a horizontal velocity, they would both reach the ground at the identical time.
Two thin rectangular sheets (0.25 m 0.51 m) are identical. In the first sheet the axis of rotation lies along the 0.25-m side, How long does it take for the second sheet
A wrench is used to tighten a nut. A force of 15 N is applied a distance 8.0 cm from the axis of rotation of the nut; the lever arm is 8.0 cm long
A stone is thrown upward with an initial velocity of 6 m/s. What maximum height will the stone reach
The cheetah can reach atop speed of114km/h (71mi/h). While chasing its prey in a short sprint, find the cheetah's average acceleration during the short sprint
On a hot summer day, a young girl swings on a rope above the local swimming hole (Figure 1) . When she lets go of the rope her initial velocity is 2.20 at an angle of 35.0 above the horizontal.If she is in flight for 0.619 , how high above the water ..
A transverse traveling wave on a cord is represented by D = 0.25 sin (6.8x + 28t) where D and x are in meters and t is in seconds. Determine maximum and minimum speeds of particles of the cord
A 65 kg woman steps off a 10 m driving platform and drops straight down into the water. If she reaches a depth of 4.5 m, what is the average resistance force exerted on her
Electrons are ejected from a metallic surface with speeds ranging up to 4.60 × 105 m/s when light with a wavelength of 625 nm is used. What is the cutoff frequency for this surface
An electric dipole consists of charges +2e and -2e separated by 0.78nm. It is in an electric field of strength 3.4 x 106 N/C. Calculate the magnitude of the torque on the dipole
q1. a power supply passing through a resistor is supposed to deliver 22-v dc at a max current of 150ma. the
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