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Two small charged balls have a repulsive force of 0.18N when they are separated by a distance of 0.85m . The balls are moved closer together, until the repulsive force is 0.60N.
How far apart are they now?
The image of a tree on a 35 mm color slide is 1.7 mm high. It is to be projected onto a screen 8.0 m from the slide, and is to appear 559 mm high. What is the magnification of the system
A block of mass 1.90 kg is pushed 4.60 m along a frictionless horizontal table by a constant 16.0 N force directed 27.0° below the horizontal.
An electron initially at rest moves from one plate of a capacitor to another, through a potential di?erence of 2476 V, Find the speed with which the electron strikes the positive plate
A spherical mirror is to be used to form an image 5.20 times the size of an object on a screen located 4.20 m from the object, What is the required radius of curvature of the mirror
Practical steam engines utilize 450°C steam, which is later exhausted at 250°C. What is the overall efficiency of the two engines
At what angle should a curve of radius 190 m be banked, so cars can travel safely at 32 m/s without relying on friction?
what is the potential difference between the plates. A particular freely falling object requires 1.85 s to travel the last 31.0 m before it hits the ground. From what height above the ground did it fall.
In parts of the midwestern United States, sirens sound when a severe storm that may produce a tornado is approaching. What beat frequency does Mandy hear
suppose the driver in this example now slams on the brakes, stopping the car in 4.00s. find the acceleration and the distance the car traveled while braking
A positive point charge q is fixed in position at the center of a square. A second point charge is fixed to corner B, C, or D. At which corner is the second charge located
A particle has a charge of 600 o C and a mass of 0.6 nkg. This particle is placed in a uniform electric field of 1,200 N/C. Find the a) electrostatic force acting on the mass. If the particle is free from rest what is its acceleration.
Two sound sources radiating in phase at a frequency of 580Hz interfere such that maxima are heard at angles of 0 and 24 from a line perpendicular to that joining the two sources. Find out the seperation between the two sources. The velocity of sou..
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