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You throw a ball vertically upward so that it leaves the ground with velocity 2.49 m/s (a) What is its velocity when it reaches its maximum altitude? magnitude m/s direction (b) What is its acceleration at this point? magnitude m/s2 direction (c) What is the velocity with which it returns to ground level? magnitude m/s direction (d) What is its acceleration at this point? magnitude m/s2 direction.
The position vector of a particle of mass 1 kg is given by rarrowbolditalic = 6 ihatbold + 3t2 jhatbold, where r is in meters and t is in seconds. Determine the angular momentum and torque acting on the particle about the origin.
The plates of a 7.4-µF capacitor have net charges of +0.83 µC and -0.83 µC respectively. Which plate is at the higher potential
The secondary voltage of an ignition trans- former in a furnace is 14 kV. When the primary operates at an rms voltage of 103 V, What is the impedance in the sencondary
A container has a pressure of 4 atmospheres and is at the temperature of 200 degrees celsius, what is the average distance between molecules (assume container is a cube)
A 0.45kg piece of putty is dropped from a height of 2.5m above a flat surface. find the magnitude of the average force exerted on the putty
q1. what are the magnitude and direction of the electric field 21.2 cm directly above an isolated 40.7 x 10-6 c
water flows at 0.56 ms through a pipe 19 cm in diameter when the pressure is 34000 pa. determine the water velocity
A train car with mass m1 = 556 kg is moving to the right with a speed of v1 = 8.6 m/s and collides with a second train car, What is the initial momentum of the first train car
A 4 kg object attached to a horizontal string moves with constant speed in a circle on a frictionless horizontal surface. Find the radius of the circle
Big yellow fish swimming at 2.0m/s swallows little green fish at rest. Big yellow fish is 3 times as massive as little green fish. What fraction of big yellow fish's initial kinetic energy was lost in this collision
A proton with the same kinetic energy encounters the same barrier. What is the probability that the proton will tunnel through the barrier
Water is pumped into a storage tank from a well delivering 19.0 gallons of water in 26.0 seconds through a pipe of 1.00 in.2 cross-sectional area. What is the average velocity of the water in the pipe as the water is pumped from the well?
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