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Q. Two point charges each have a value of 30.0mC and are separated by a distance of 4.00cm. What is the electric field midway between two charges?
Q. A high-speed flywheel in a motor is spinning at 450rpm when a power failure suddenly occurs. The flywheel has mass 37.0kg and diameter 71.0cm. The power is off for 27.0s and during this time the flywheel slows due to friction in its axle bearings. During the time the power is off, the flywheel makes 150 complete revolutions.
A 150 g ball and a 250g ball are connected by a 35{rm cm}-long, massless, rigid rod. The balls rotate about their center of mass at 150 rpm.
What is the change in length of the rope whilst the skier has the acceleration whose magnitude is 0.65 m/s2.
What is final total energy of the system
How long did it take the apple to hit Newton after falling off? Draw a graph of velocity vs
Calculate the magnitude of the electric field at one corner of a square 1.43
During a crash test, a car moving at 60 km/ hr collides with a rigid barrier and comes to a complete stop in 200 ms.
Find out the magnitude of the charge on the moving particle. The baby soon learns to bounce with utmost amplitude and minimum effort by bending her knees at what frequency.
A race car has a mass of 718 kg. It starts from rest and travels 45.0 m in 3.0 s. The car is uniformly accelerated throughout the entire time. What net force is exerted on it.
Each driver has a mass of 60.00 kg. Including the drivers, the total vehicle masses are 880 kg for the car and 4080 kg for the truck. The collision time is 0.120s. select coordinates such that the truck is initially moving in the positive x direction..
You travel from "point" Columbia to St. Louis in a car moving at a constant speed of 60 km/h. Then you travel back from St. Louis to Columbia the same distance moving at a constant speed of 120 km/h.
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.
Starting from rest, you pull the string with a constant force F = 8 N along a nearly frictionless surface. At the instant while the center of the disk has moved a distance x = 0.12 m, a length d = 0.27 m of string has unwound off the disk.
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