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A charge of 16.8 ?C is at the geometric center of a cube.
What is the electric flux through one of the faces? The permittivity of a vacuum is 8.85419 × 10?12 C2 /N · m2.
In effect, the first circular dark fringe in the diffraction pattern defines the size of the central bright spot on the moon. find the diameter (not the radius) of the central bright spot on the moon.
How much work is needed to move it at constant speed.
It continues to fly along the same horizontal arc, but increases its speed at the rate of 1.10 m/s2. Find the acceleration in this situation at the moment the hawk's speed is 4.25 m/s. Find out the magnitude and direction (degrees)
A 80 g, 33-{rm cm}-long rod hangs vertically on a frictionless, horizontal axle passing by its center. A 11 g ball of clay traveling horizontally at 2.5 m/s hits and sticks to the very bottom tip of the rod.
A bullet is fired at an angle of 60o with an initial velocity of 200.0 m/s. Explain how long is the bullet in the air? What is the maximum height reached by the bullet?
It has been suggested that rotating cylinders about 12 mi long and 5.1 mi in diameter be placed in space and used as colonies. What angular speed should such a cylinder have so that the centripetal acceleration at its surface equals free-fall acce..
how much time passes before the brick lands on the ground.
What is your displacement after running 2 {rm km} on Strawberry Fields, 1.6 {rm km} on Penny Lane, and 4.8 {rm km} on Abbey Road.
A 175-g object is attached to a spring that has a force constant of 72.5 N/m, Find the locations of the object when its velocity is one-third of the maximum speed
A major-league pitcher can throw a baseball in excess of 48.7m/s. If a ball is thrown horizontally at this speed, how much will it drop by time it reaches the catcher who is 15 m away from the point of free.
The sensor in the torso of a crash-test dummy records the magnitude and direction of the net force acting on the dummy. If the dummy is thrown forward with a force of 570N while simultaneously being hit from the side with a force of 2400-N, what f..
What is the speed of the projectile immediately before it hits the ground if air friction does one and a half times as much work on projectile when it is going down as it did when it was going up.
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