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A rod 7.1 cm long is uniformly charged and has a total charge of -11.4 µC. Find the magnitude of the electric field along the axis of the rod at a point 48.2581 cm from the center of the rod. The Coulomb constant is 8.98755 × 109 N · m^2/C^2. Answer in units of N/C.
A boy and a girl are balanced on a massless seesaw. The boy has a mass of 75 kg and the girls mass is 50 kg. If the boy sits 2.0 meters from the pivot point on one side of the seesaw, where must the girl sit on the other side?
Dr. Bradshaw builds a slide. By lifting one side, he finds that when the slide makes an angle of 32 degrees with the horizontal, Jackson begins to slide. What is Jackson's acceleration
Dan is gliding on his skateboard at 3.0 m/s. He suddenly jumps backward off the skateboard, kicking the skateboard forward at 8.0 m/s. How fast is Dan going as his feet hit the ground
A two-stage rocket moves in space at a constant velocity of +4260 m/s. The two stages are then separated by a small explosive charge placed between them. Immediately after explosion the velocity of the 1360-kg upper stage is +5970 m/s.
The outer edge of a rotating Frisbee with a diameter of 29 centimeter has a linear speed of 3.7 m/s. Determine the angular speed of the Frisbee
A metal wire 1.0mm in diameter and 2.5m long hangs vertically with a 4.8-kg object suspended from it. what is the value of Young's modulus for the metal
a uniform 2.8 magnetic field points to the right a 2.19 m long wire carrying 21.8 a is placed at an angle of 23
From the top of a mountain a hiker looks at the next mountain top in the distance and notes the compass direction of the peak. how far has the hiker walked
In coming to a stop, a car leaves skid marks 76 m long on the highway. Assuming a deceleration of 6.50 m/s2, estimate the speed of the car just before braking. Express in m/s.
A bungee jumper momentarily comes to rest at the bottom of thedive before they spring back upward. At that moment, describe the bungee jumpers velocity, acceleration, and whether or not they arein equilibrum?
In an amusement park "Rocket" ride, cars are suspended from 4.25 m long cables attached to rotating arms at a distance of 6.00 m from the axis of rotation. What would the angular speed be if the angle of the "Rocket" cars were changed to 60o from v..
Two light sources are used in a photoelectric experiment to determine the work function for a particular metal surface. what is the work function for this metal
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