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A copper vessel of mass 1000gm contains 500 gm of water at 50 degrees Celsius. An ice cube of mass 100 gm at temperature -30 degrees Celsius is dropped into this vessel.
Does the ice melt?
What is the final temperature ?
Repeat part b, if at the same time as dropping in the ice cube, we also drop in a 200 gm glass at a temperature of 110 degrees Celsius.
Two runners start simultaneously from the same point on the circular 200 m track and run in opposite directions. One runs at a constant speed of 6.14 m/s and the other runs at a constant speed of 5.43m/s. When they first meet, for how long a time ..
A high-pass RC filter is connected to an AC source with a peak voltage of 18 V. The peak capacitor voltage is 5.27 V
the apollo lunar module was used to make the transition from the spacecraft to the moons surface and back. consider a
A table is 1.43 m above the surface of a flat floor. Odie (a dog) is running after Garfield (a cat) across the surface of the table. What will be the velocity components of Odie
We did this lab where we needed to see how velocity is related to centripetal force. What we did is we had a hanging mass held by a string that goes through a glass tube. Obtain in what ways did you control your variables
Tritium has a half-life of 12.3 y and can also be used to date organic matter. If the activity of tritium is determined to be 3% of the expected activity, what is the age of the sample
Suppose that a disk rotates through five revolutions in 4 seconds. What is the angular rotational velocity
If the pressure of the 1.2-cm3 volume is reduced to 3.0 × 10?11 Pa (an extremely good vacuum) while the temperature remains constant, how many moles of gas remain in the container
A 2.41 mol sample of an ideal gas expands reversibly and isothermally at 403 K until its volume is doubled. What is the increase in entropy of the gas
An 8.70-kg block slides with an initial speed of 1.80 m/s down a ramp inclined at an angle of 22.2 deg with the horizontal. Use energy conservation to find the distance the block slides before coming to rest
The light shining on a diffraction grating has a wavelength of 457 nm (in vacuum). How many lines per centimeter does the grating have
An object is released from rest on a planet that has no atmosphere. The object falls freely for 3m in the first second. What is the magnitude of acceleration due to gravity on the planet?
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