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What is the specific heat constant if 555 g of Metal A raises the temperature of 400.0 g of water by 3.20°C and the temperature of the metal decreases by 42.5°C.
As people sing in church, the sound level everywhere inside is 107 dB. No sound is transmitted through the massive walls, but all the windows and doors are open on a summer morning. Their total area is 23.0 m2. (a) How much sound energy is radiated i..
The space shuttle is in a 250 mile high orbit. what are the shuttle's orbital period and speed
A mass of 3.90 kg is suspended from a 1.55 m long string. It revolves in a horizontal circle. Calculate the angle between the string and the vertical
A 15.0 μF capacitor is charged to 200 V and is then connected across a 46.0 Ω resistor. What is the current in the resistor after 6.4 μs? Amp 2. Determine the equivalent capacitance between A and B for the group of capacitors in the drawing. Let C1 =..
A 57 kg tightrope walker stands in the middle of a rope. Her weight makes the rope sag, evaluate the rope tension
Two banked curves have the same radius. Curve A is banked at 12.1o, and curve B is banked at an angle of 15.1 o. A car can travel around curve A without relying on friction at a speed of 13.1 m/s. At what speed can this car travel around curve B wi..
Starting from rest, a 12 centimeter diameter compact disk takes 2.6 second to reach its operating angular velocity of 1915 rpm. Find how much torque is applied to the disk
She fires a very brief blast from her jetpack, which almost immediately gives her a speed of 3.7 m/s horizontally. She swings up along a circle and comes to a stop when her thread makes an angle q relative to the vertical. What is q in degrees?
A 160 kilogram object and a 460 kilogram object are separated by 4.70 meter. Obtain the magnitude of the net gravitational force exerted by these objects on a 30 kilogram object located midway between them
An iron tower is 331 meters tall on a cold day (T= -8.3 degrees Celsius). What is the final height (total) of the tower on a hot day when the temp is 35.5 degrees Celsius? Record your answer to two decimal places.
1 a hydrogen atom undergoes a transition from the n 12 state to the n 5 state. explain why it emits a photon during
Discover the electric energy density among the plates of a 225-?F parallel-plate capacitor. The potential difference among the plates is 345V , and the plate separation is 0.294mm .
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