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A sealed glass jar contains air initially at a pressure of 1.00 atm and temperature of 0° C. Discover the air pressure when the jar is heated to 271° C. The linear expansion coefficient of the glass is 9.70*10-6 (C°)-1.
A 100 W lightbulb is plugged into a standard 120V outlet. How much does it cost per month (30 days) toleave the light turned on continuosly?
A car comes to a bridge during a storm and finds the bridge washed out. The driver must get to the other side, What is the speed of the car just before it lands safely on the other side
A massless plank of length L = 2 m has two supports. One support is at the left end and one is in the middle. What is the normal force on the middle support
An athlete rotates a 1.00-kg discus along a circular path of radius 1.04 m, Determine the magnitude of the maximum radial acceleration of the discus
In the absence of air resistance, a projectile is launched from and returns to ground level. It follows a trajectory similar and has a range of 26 m. Suppose the launch speed is doubled, and the projectile is fired at the same angle above the grou..
Two wires are stretched between two fixed supports and have the same length. On wire A there is a second-harmonic standing wave whose frequecy is 660 Hz. However, the same frequency of 660 Hz is the third harmonic on wire B.
A double slit is opposite the center of a 1.7-m wide screen 2.3 m from the slits. The slit separation is 24 µm and the width of each slit is 7.2 µm. How many fringes are visible on the screen if the slit is illuminated by 590-nm light?
A cannon shoots a cannonball from the ground level (ignore the height of the cannon) to the top edge of a cliff that is 135m high. What will be the speed of the ball when it hits the cliff
A billiard ball strikes and rebounds from the cushion of a pool table perpendicularly. The mass of the ball is 0.16 kg. The ball approaches the cushion with a velocity of +1.6 m/s and rebounds with a velocity of ?1.2 m/s
a 25 kg box is acted on by a 45 n horizontal force. if the box accelerates at a rate of .75 ms2 what is the coefficient
A plate carries a charge of -3.9 µC, while a rod carries a charge of +2.2 µC. How many electrons should be transferred from the plate to the rod, so that both objects have the same charge.
a vertical straight wire carrying an upward 28 -a current exerts an attractive force per unit length of 6.710-4 nm on a
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