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A) Find the amount of heat needed to raise the temperature of 6.3 kg of lead from -39oC to 77oC.
B) A 0.00340 kg lead bullet is traveling at 476 m/s when it hits the bull's-eye of a practice target. Half of the bullet's kinetic energy is transferred to the bullet in the form of heat. What is the resulting temperature increase in the bullet? Assume that the specific heat of the lead does not vary significantly over this temperature.
Aspherical volume charge distribution rv = ro [1 - (r2/b2)] existsin the region 0
How thick is the base of the container? 220 grams of the remaining boiling water is now poured into another insulated container holding water at 20 Degree C. The final temperature of this mixture is 63.2 oc.
How much work would be required to move a 0.50 microCoulomb test charge from a point midway between them to a point 12 cm closer to ether of the charges?
What is the potential difference across capacitor. How much charge is on each place.
An ideal transformer has 890 turns in its primary coil and 150 turns in its secondary coil. What is the output voltage of the secondary coil
What is the speed of the wave?
An at wood machine consist of 2 masses Ma and Mb, which are linked by an inelastic cord of legible masses that pieces over a pulley. if the pulley has radius Ro and moment of inertial I about its axle, decide the acceleration of masses Ma and Mb, and..
1. a diamond has a mass of 56.6 g and the gold ring it is set in has a mass of 125.6 g. how many carbon atoms are there
a space traveler weighs 550 n on earth. what will the traveler weigh on another planet whose radius is three times that
The displacement of a standing wave on a string is given by D = 9.9 sin(0.55x)cos(56t), where x and D are in centimeters and t is in seconds. What is the distance (cm) between nodes
You are instructed to draw blood on a patient to confirm a diagnosis. While explaining the procedure to the patient, she states that she will not allow you to draw blood as it is against her religious beliefs. You further explain to the patient that ..
question1the starter motor of a car engine draws a current of 126 a from the battery. the copper wire to the motor is 6
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