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A 10.0 g object moving to the right at 15.0 cm/s makes an elastic head-on collision with a 15.0 g object moving in the opposite direction at 34.0 cm/s. Find the velocity of each object after the collision. 10.0 g object cm/s 15.0 g object cm/s.
Water is pumped steadily out of a flooded basement at a speed of 4.6 m/s through a uniform hose of radius 1.4 cm. What is the power of the pump
The field just outside a 2.43cm radius metal ball is 350 N/C and points toward the ball. what charge resides on the ball. final answer must be in C
A 54.2 g block of copper whose temperature is 400 K is placed in an insulating box with a 120 g block of lead whose temperature is 200 K. What is the change in the entropy of the system
Two people carry a heavy electric motor by placing it on a light board 2.30m long. One person lifts at one end with a force of 420N , find Where is its center of gravity located
Water is boiling in a pan at sea level on a stove. During 10 minutes of boiling, it is observed that 200 grams of water has evaporated. Then the rate of heat transfer to the water is what is kJ/min?
A 35-turn circular coil of wire has a diameter of 0.57 m. find the strength of the average emf generated in the coil
A circular wire loop of area 0.18m squared carries a current of 4 A. the coil lies in a horizontal plane with the current flowing in the counterclockwise direction when viewed from above. At this point the earth’s magnetic field is 1.2x10^-4 T direct..
Two circular metal plates of radius 0.17 m and thickness 8.5 mm are used in a parallel plate capacitor. A gap of 1.7 mm is left between the plates, What is the capacitance of this capacitor
A laser with wavelength d/8 is shining light on a double slit with slit separation 0.450 mm. What is the wavelength of the second laser
A Carnot engine performs work at the rate of 480 kW while using 760 kcal of heat per second. If the temperature of the heat source is 571°C, at what temperature (in Celsius) is the waste heat exhausted
A series RLC circuit consists of a 49-ohm resistor and a 5.0-uF capacitor. what is the inductance of the inductor in this circuit
What is the maximum amount of energy the incident electron can lose in elastically in this collision? What is left over energy of the electron.
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