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A mass m1=4.10kg block on a smooth tabletop is attached by a string to a hanging block of mass m2=2.60kg, as shown in the figure. The blocks are released from rest and allowed to move freely. Find the magnitude of the acceleration of the blocks.
A child looks at his reflection in a spherical Christmas tree ornament 8cm in diameter, and sees his image reduced by half. How long is his face from the ornament.
A 67.0-kg climber is scaling the vertical wall of a mountain. His safety rope is made of a material that, How much is the rope stretched when it breaks his fall and momentarily brings him to rest
Gas is confined in a tank at a pressure of 13.2 atm and a temperature of 21.5°C. what is the pressure of the gas remaining in the tank
A train is traveling up a 4.6° incline at a speed of 3.27 m/s when the last car breaks free and beginsto coast without friction. How long does it take for the last car tocome to rest momentarily
Two tiny conducting spheres are identical and carry charges of -18.5C and +51.6C. They are separated by a distance of 1.92 cm. (a) What is the magnitude of the force that each sphere experiences?
What is the internal resistance of a 12 V car battery whoseterminal voltage drops to 9.90 V when the starter draws 73.8 A? What is the resistance of the starter
kids at a swimming hole swing over the water on a tire swing essentially a simple pendulum and then drop in the water.
Location C is 0.02 meter from a small sphere that has a charge of 4 nC uniformly distributed on its surface. Location D is 0.06 meter from the sphere. Obtain the change in potential along a path C to D
A converging lens (f = 24.6 cm) is used to project an image of an object onto a screen. Find the two object distances
A 6.4kg ball, hanging from the ceiling by a light wire 135cm long, is struck in an elastic collision by a 1.80 ball moving horizontally at 4.20 m/s just before the collision. Find the tension in the wire just after the collision.
A capacitor is made from two 1.0 cm diameter coins separated by a 0.14 mm thick piece of paper (K = 3.7). How much charge is on each coin
Bill is flying an airplane with air speed 30.0 m/s. going south. Mike is on the ground and sees the plane traveling 25.0 m/s, 15 degrees east of south. What is the component of the wind's velocity to the north
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