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A 115.08 g ice cube at -15°C is placed in an aluminum cup whoseinitial temperature is 74°C. The system comes to an equilibrium temperature of 20°C. What is the mass of the cup?
A 2.90 H coil with a resistance of 6.41×101 ? is in series with a 1.14×103 ? resistor. What is the peak value of the potential difference across the coil
q. 1. what physical quantities can be represented by vectors? why? how do you determine the resultant force of the
A crate of mass 14.0 kg is pulled upa rough incline with an initial speed of 1.50 m/s. How much mechanical energy is lost due to friction
A weightlifter bench-presses a 170.0 kg barbell from his chest to a height equal the length of his arms 0.750 m. What is the potential energy of the barbell relative to the weightlifter\'s chest after he lifts the barbell
A 200 gram mass is hung from a spring. The weight of the mass stretches the spring by 25 cm. What is the characteristic frequency of this mass-spring system?
Find out whether or not the measurement of net income for a merchandising company conceptually is the same for a service company.
A 2.40 bucket containing 11.5 of water is hanging from a vertical ideal spring of force constant 115 and oscillating up, What is the shortest period this system can have
1.00-kohm resistor, a 0.200-H inductor, and a 4.00-microF capacitor are connected in series with an AC generator; the EMF of the generator is given by (150 V)sin((377 rad/s)t). What is the amplitude of the resulting alternating current?
A radio can be tuned into a particular station frequency by adjusting the capacitance in an L-C circuit. What is the inductance L of a coil connected to this capacitor if the oscillation frequency of the L-C circuit is 1.69MHz
In a football game, a receiver is standing still, having just caught a pass. Before he can move, a tackler, find the mass of the receiver
Before starting this problem, review COnceptual Example 3. Suppose that hail described there bounces off the roof of the car with a velcity of +15 m/s. calculate the force exerted by the hail of the roof
A coil of four circular loops of radius 3.0cm carries a current of 5.0A clockwise, What is the magnetic field at the center of the coil
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