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Two balls are approaching each other head-on. Their velocities are +14.6 and -8.88 m/s. Determine the velocity of the center of mass of the two balls if
(a) they have the same mass and
(b) if the mass of one ball (v = 14.6 m/s) is twice the mass of the other ball (v = -8.88 m/s).
A 3.00-g bullet, traveling horizontally with a velocity of magnitude 370 m/s, is fired into a wooden block with mass 0.800 kg, What is the decrease in kinetic energy of the bullet
110 grams of boiling water (temperature 100° C, heat capacity 4.20 J/gram/K) are poured into an aluminum pan whose mass is 1000 grams and initial temperature 24° C (the heat capacity of aluminum is 0.9 J/gram/K).
For a safe re-entry into the Earth's atmosphere, the pilots of a space capsule had to reduce their speed from 2.76 E 4 m/s to 1.02 E 4 m/s. For how long did they have to fire their engine
The friction force in the sled is 1000N and the angle between the two ropes is 20 degrees. Explain how hard must each player pull to drag the coach at a steady 2.0 m/s?
Four equal charges of +4.9×10-6 C are placed on the corners of one face of a cube of edge length 7.0 cm. calculate the magnitude of the force on the charge
Suppose you wish to lean a 3.00 m ladder against a smooth, vertical wall. The ladder's center of gravity is 2/3 of length from the top. If the coefficient of static friction between the ladder and the floor is 0.60, what is the largest angle ladde..
compute the diameter of the bright circular spot formed.
A metal rod 6.00 m long is held in a horizontal position. what is the torque exerted on the rod by the tension in the rope
Suppose a distant world with surface gravity of 5.28 m/s2 has an atmospheric pressure of 7.16 multiply.gif 104 Pa at the surface. Calculate the pressure at a depth of 10.0 m in the methane ocean
Clarify the general purposes of the management report. Identify five subject areas or topics which have been recommended for inclusion in the management report.
The Gravitron is an amusement park ride in which riders stand against the inner wall of a large spinning steel cylinder. What is the maximum rotational speed at which the riders will not slide up the walls of the ride
A resistor with 790? is connected to the plates of a charged capacitor with capacitance 4.26?F, What is the electrical power dissipated in the resistor just after the connection is made
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