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A glass window 0.35 cm thick measures 81 cm by 36 cm. How much heat flows through this window per minute if the inside and outside temperatures differ by 17° C? *Answer is supposed to be given in kJ/min*
A 3.00 kg block of wood sits on a table. A 3.00 g bullet, fired horizontally at a speed of 550 m/s, goes completely through the block, emerging at the speed of 190 m/s. What is the speed of the block immediately after bullet exits.
An astronaut is tethered by a strong cable to a spacecraft. The astronaut and her spacesuit have a total mass of 104 , while the mass of the cable is negligible. What force does the cable exert on the astronaut
A length of aluminum wire is connected to a precision 10.0 V power supply, and a current of 0.4258 A is precisely measured at 10.0 degrees celsius, What is the unknown temperature
Find out the resulting values of the processional rate
The spring balance is reasonably accurate for determining the load mass, Explain how to use the Workin = Workout principle to verify the mass of the spring balance
A circular solenoid contains 100 turns of wire and carries a current of 2 amps. Calculate the magnetic flux through one turn of the wire making the solenoid
In a head-on collision, a car stops in 0.3s from a speed of 30 m/s. What is the force applied to the driver by his seat belt during the collision
Spiderman, whose mass is 70.0 kg, is dangling on the free end of a 12.6-m-long rope, the other end of which is fixed to a tree limb above. find How much work was done by the gravitational force on Spiderman in this maneuver
If the scattered photon has a wavelength of 0.320nm , what is the wavelength of the incident photon, Find the kinetic energy of the recoil electron
The diodes are oppositely oriented, so that when one diode is forward-biased, the other is back-biased. Which phrase best describes the current in the circuit.
A proton moves perpendicular to a uniform magnetic field B at a speed of 1.10 107 m/s, evaluate the magnitude and direction of the field
If so evaluate their acceleraton and the tension in the string. If not determine the sum of the magnitudes of the forces of friction acting on the blocks.
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