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Shown below is a 4.00-ft by 8.00-ft sheet of plywood with the upper left quadrant removed. Assume the plywood is uniform and determine the x and y coordinates of the center of gravity. Hint: The Earth's gravitational field is also uniform for the entire sheet of plywood.
q1. a certain elevator cab has a total run of 171 m and a greatest speed is 4.75 msec and it accelerates from rest and
a car is moving with constant velocity v and has wheels of radius r. the car drives over a clump of mud and the mud
A 1.08 µF capacitor is connected in series with a 2.18 µF capacitor. The 1.08 µF capacitor carries a charge of +11.1 µC on one plate, Find the equivalent capacitance of the two capacitors
A solid sphere of mass 2.5 kg and a radius 0.15m starts from rest at the top of the a ramp inclined 15 degrees, What is the total kinetic energy of the sphere when it reaches the bottom of the ramp
A cube 22 centimeters on each side contains 2.2 grams of helium at 20° Celsius. 1300 Joules of heat energy are transferred to this gas. What is the final pressure
an electron is shot at an initial speed of v0 = 2.00 × 106 m/s, at an angle ?0 = 35.0° from an x axis. It moves through a uniform electric field = (5.00 N/C), find the velocity of the electron when it hits the screen
Mary applies a force of 70 N to push a box with an acceleration of 0.49 m/s2. When she increases the pushing force to 80 N, What is the mass of the box
A mass sitting on a horizontal, frictionless surface is attached to one end of a spring; the other end is fixed to a wall. 3.4 J of work is required to compress the spring by 0.18 m. Find the value of the mass
An astronaut constructs a pendulum with a length of 1 meter on a new planet. If the period is 4 second, what is the acceleration due to gravity
A 140 g ball moving at 0.50 m/s in the + x-direction is subject to a 0.15 N force in the - y-direction for 3.0 s . a) Find the magnitude of the ball's momentum change. b) Find the ball's final speed. c) Find the angle between the ball's final velocit..
Consider three equally spaced and equal-intensity coherentsources of light. Determine the postions of maxima and minima
A 16.0 kg fish swimming at 1.40 m/s suddenly gobbles up a 4.50 kg fish that is initially stationary. Neglect any drag effects of the water. Find the speed of the large fish just after it eats the small one
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