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Through 0.21 s, a wheel rotates through an angle of 2.12 rad as a point on the periphery of the wheel moves with a constant speed of 2.62 m/s. What is the radius of the wheel?
A small circular hole 6.90 mm diameteris cut in the side of a large water tank, 19.0 m below the water level in the tank. The topof the tank is open to the air. Find the speed of efflux
In Fig. 15-34, 2 blocks (m = 1.8 kg and M = 10 kg) and a spring (k = 200 N/m) are arranged on a horizontal, frictionless surface. The coefficient of static friction among the 2 blocks is 0.40.
Two waves are described by the wave functions. What is the amplitude and phase of the resulting wave?
A 4 kg block rest against one end of a horizontal spring which is compressed by 20 cm. Calculate the constant of kinetic friction Mk between the block and the table
A plate carries a charge of -3.9 µC, while a rod carries a charge of 2.9 µC. How many electrons must be transferred from the plate
The terminal voltage of a certain battery is measured with thebattery disconnected and is found to be 6.48 V. The internal resistance of the battery is1.06 Ω. Find the voltage across the battery terminals when there is a current of 1.92 A from the ne..
A 8000-kg car is traveling at 1.7 m/s along a horizontal road when the brakes are applied. How much kinetic energy does the car lose
A golf ball of mass 0.045 kg is hit off the tee at a speed of 36m/s . The golf club was in contact with the ball for 3.90×10?3s. Find the average force exerted on the ball by the golf club
An aluminum wire carrying a current of 6.0 A has a cross-sectional area of 4.0 ? 10-6 m2. Find the drift speed of the electrons in the wire
a model rocket is launched straight upward with an initial speed of 70.0 ms. it accelerates with a constant upward
three charged particles 7.00 microc -4.00 microc and q 2.00 microc are at the corner of an equilateral triangle of l
An Earth satellite has a speed of 29500 km/hr when it is at its perigee, 230 km above Earth's surface. Find the apogee distance, the speed at apogee, and the period of revolution.
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