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Suppose a ball rolls off a horizontal table and lands 1.5m out from the edge of the table. If the table k top is 90 cm above the floor, decide (a) the time the ball is in the air, (b) the ball's speed as it left the table, (c) k the horizontal and vertical component of velocity of the ball when it hits the floor, (d) magnitude of the resultant velocity ( or speed) of the ball when it hits the floor, and (e) angle of impact.
A block of mass M is at point A on the slope (the slope is just a %u201Cregular roller coaster ride %u201D, What is the velocity at the bottom of the slope at point B which is 5 meters below point A
Consider a three dimensional rectangular infinite potential well with sides of length L, 2L and 3L. What is the energy of the first excited state relative to the energy of the ground state
An ambulance traveling at 46 m/s approaches a car heading in the same direction at a speed of 31 m/s. At what frequency does the driver of the car hear the siren
A block with mass m1=2.00 kg rests on a frictionless table. It is connected with a light string over a pulley to a hanging block of mass m2=4.00 kg. What is the angular speed of the pulley at this time
A constant, uniform magnetic field directed into this sheet exists in the region to the right of the y axis. Calculate the radius of the particles path
The dipole moment of a water molecule in liquid water is 6.2×10−30 C·m, and the effective diameter of a water molecule is 2.8×10−10 m. In an earlier homework problem the effective dipole charge separation for water was calculated as 1.9×10−11 m.
As a crude model for lightning, consider the ground to be one plate of a parallel-plate capacitor and a cloud at an altitude of 510m to be the other plate.
A 0.20 {rm kg} rock is thrown vertically upward from the top of a cliff that is 31.0 {rm m} high. While it hits the ground at the base of the cliff, the rock has the speed of 31 {rm m/s}. Assume that air resistance can be ignored; find the initial sp..
A small ball rolls horizontally off the edge of a tabletop that is 1.06 m high. how long was the ball in the air
Two point charges q1 = 3.0 x 10-8 C and q2 = 2.0 x 10-8 C are located on the x axis at x1 = 0.2 m and x2 = -0.3 m
A bolt on an engine is to be tightened with a maximum torque of 75 Nm. If a wrench has a length of 0.30 m, what is the maximum force perpendicular to the length that should be used to tighten the bolt?
A 1600 kW heat engineoperates at 21% efficiency. The heat energy expelled at thelow temperature is absorbed by a stream of water that enters thecooling coils at 20°C. determine the increase in temperature of the water
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