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Given two identical 3.9 kg masses. The first mass is moving with a velocity v1 immediately before colliding with the second mass, which is suspended by a string of length 0.58 m The two masses are stuck together as a result of the collision. The compound system then swings to the right and rises to the horizontal level.The acceleration of gravity is 9.8 m/s 0.58m 3.9kg 7.8kg 3.9kgv 190? Find the kinetic energy of the compound system immediately after the collision.Answer in units of J.
What is the minimum rate of rotation, in revolutions per minute, required for the spheres to contact the cylinder wall
A 1.4-µC point charge is placed between the plates of a parallel plate capacitor. The charge experiences aforce of 0.44 N. What is the magnitude σ of thecharge density on either plate of the capacitor?
Two point charges = 2.10 and = -6.40 are 0.100 apart. Point is midway between them; point is 0.080 from and 0.070 from. Take the electric potential to be zero at infinity.
a 343-kg boat is sailing 17.0 deg north of east at a speed of 2.20 ms. 33.0 s later it is sailing 33.0 deg north of
The leg and cast weigh 177N (w1). Find out the weight w2 and the angle α required so that no force is exerted on the hip joint by the leg plus cast.
One afternoon, a couple walks three-fourths of the way around a circular lake, the radius of which is 1.08 km. What is the direction (relative to due east) of the couple's displacement
A 10.0 O resistor, 10.0 mH inductor and a 110.0 µF capacitor are connected in series with a 50.0 V (rms) source having variable frequency. Find the energy delivered to the circuit during one period
On average, an electric water heater operates for 1.0h each day. What is the resistance of a typical water heater
A battery with an emf of 12.0 V shows a terminal voltage of 11.3V, What is the battery's internal resistance
A 3.0cm tall object is 50cm in front of a convex mirror that has a -20 cm focal length. Calculate the image position in cm behind the mirror
The generator at a power plant produces AC at 48,000V. A transformer step this up to 345,000 V for transmission over power lines. If there are 1000 turns of wire in the input coil of the transformer, how many turns must there be in the output coil?
A 80-kg driver can decrease his rotation rate in a flip from an initial rate of 3.0rev/s to a final rate of 1 rev in 2 sec by straightening his body. find his final moment of inertia, then find his initial moment of inertia
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