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A hunter on a frozen, essentially frictionless pond uses a rifle that shoots 4.20g bullets at 975m/s. The mass of the hunter (including his gun) is 68.5kg , and the hunter holds tight to the gun after firing it.
Part A Find the recoil speed of the hunter if he fires the rifle horizontally.
Part B Find the recoil speed of the hunter if he fires the rifle at 58.0? above the horizontal.
Various voltages V are applied across a resistor and for each value of V the current I through the resistor is measured, What is the resistance R of the resistor
The loss of heat to the external environment is negligible. When equilibrium is established, the temperature is 30.0°C. Illustrate what is the specific heat capacity of the specimen?
What is the amount of the normal force on the charge on the surface in Newtons, when including both the weight of the object and the electric force on it?
What is the y component (in Newtons) of F
A certain ideal gas has a molar specific heat at constant volume CV = 7R/5. What is its molar specific heat at constant pressure
High-voltage power lines are a familiar sight throughout the country. What is the resistance of ten kilometers of this wire
A resistor is in the shape of a cube, with each side of resistance R . Find the equivalent resistance between any two of its adjacent corners.
A particle has a de Broglie wavelength of 3.20 × 10-10 m. Then its kinetic energy doubles. What is the particle's new de Broglie wavelength
Two steel guitar strings have the same length. String A has a diameter of 0.59 mm and is under 450.0 N of tension. String B has a diameter of 1.2 mm and is under a tension of 800.0 N. Find the ratio of the wave speeds, va/vb, in these two strings.
Two red blood cells each have a mass of 9.05 × 10-14 kg and carry a negative charge spread uniformly over their surfaces. What is the maximum accleration of the cells as they move toward each other and just touch
Multiple-Concept Example 7 deals with the concepts that are important in this problem. Find the minimum coefficient of friction necessary to allow the penny to rotate along with the disk
The tension in a string is 20.6 n and its linear density is .649 kg/m. A wave on the string travels in the -x direction. It has amplitude of 3.71 cm and a frequency of 10.6 hz. What are the speed and wavelength of wave.
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