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A thin rectangular plate of uniform areal density ? = 2.90 kg/m2 has length of 34.0 cm and width of 24.0 cm. The lower left hand corner is located at the origin, (x,y)= (0,0) and the length is along the x-axis.
a) There is a circular hole of radius 6.00 cm with center at (x,y) = (11.00,10.00) cm in the plate. Calculate the mass of plate.
b) Calculate the x-coordinate of CM of the plate.
c) Calculate the distance of the plate's CM from the origin.
A 29? and a 41? resistor are in series, Find the current when this series combination is connected across a 12V battery
As a function of time, the velocity of the football can be written as . (If the acceleration of an object is constant, its average acceleration is the same for all time periods.) Calculate the average acceleration vector of the football for the ti..
An electric field is set up between two parallel plates, each of area 2.2 m2, by putting 1.0 C charge on one plate and the -1.0 C charge on the other. The plates are separated by 4.0 mm. What is the magnitude of the electric field between the plates ..
A 9 m, 260-N uniform ladder rests against a smooth wall. The coefficient of static friction between the ladder and the ground is 0.5, and the ladder makes a 50° angle with the ground. How far up the ladder can an 800-N person climb before the ladd..
A point charge with charge q1 = 2.80?C is held stationary at the origin, How much work W is done by the electrostatic force on the moving point charge
A uniform plank of length 5.0 m and weight 225 N rests horizontally on two supports, with 1.1 m of the plank hanging over the right support. To what distance x can a person who weighs 415 N walk on the overhanging part of the plank before it just ..
Each of two small spheres is positively charged; the combined charge totals 60.0 nC. A.) What is the charge on each sphere if the spheres are repelled with a force of magnitude 0.270mN when placed 0.100m apart?
What is the pressure (in kPa) exerted by an object that has a base which is 2cm by 4cm nd a weight of 45N.
When resting, a person has a metabolic rate of about 5.84 x 105 joules per hour. The person is submerged neck-deep into a tub containing 3.61 x 103 kg of water at 28.8 °C. If the heat from the person goes only into the water, find the water temper..
At what distance from the ring's center is E maximum. How deep is the tank.
what force would be needed to pull the same wooden.
A 2.75-gram air inflated balloon is given an excess negative charge, q1 = -3.00 × 10-8 C, by rubbing it with a blanket. It is found that a charged rod can be held above the balloon at a distance of d = 5.20 cm to make the balloon float. In order f..
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