What was the initial speed of the bullet at impact
An 85 gram bullet is shot at a 3 kg piece of wood at rest on the end of a counter 1.2 m high. If the bullet becomes embedded in the block and they land 5 m from the counter, what was the initial speed of the bullet at impact?
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Starting from rest, a 91-kg firefighter slides down a fire pole. The average frictional force everted on him by the pole has a magnitude of 760 N, and his speed at the bottom of the pole is 3.5 m/s. How far did he slide down the pole?
If an archaeologist finds anancient firepit containing partially consumed firewood, and the14C content of the wood is only 22.5% that of an equal carbon sample from a present-day tree, what is the age of the ancientsite?
Calculate (a) the specific heat and work transfers for each process (kJ/kg), and (b) the cycle efficiency. Sketch the cycle on the T-s and h-s diagrams for water.
The initial speed of the skier is 8.78 m/s. After coasting a distance of 1.10 m up the slope, the speed of the skier is 4.86 m/s. (a) Find the work done by the kinetic frictional force that acts on the skis. (b) What is the magnitude of the kineti
The intensity of the sunlight that reaches Earth's upper atmosphere is approximately 1310 W/m^2. (a) What is the total average power output of the Sun, assuming it to be an isotropic source?
Construct a 98% confidence interval for the population mean, M. Assume the population has a normal distribution. A random sample of 20 college students has mean annual earnings of $3480 with a standard deviation of $668.
Calculate the work output of the turbine (kJ/kg), the feed pump work (kJ/kg), the heat rejected in the condenser (kJ/kg).
A combination of Magnesium atom and Oxygen atom results to Magnesium oxide, with the chemical formula MgO. What is the name for a combination of Magnesium and Nitrogen?
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Elaina has arrived at the hospital lactation clinic with concerns 5-day-old son is not getting enough milk. She reports that he about breastfeeding
List the 4 areas of voice that need to be evaluated AND list 2 voice characteristics to meet the criteria to diagnose EACH type of voice disorder.
Problem: What age-related changes take place in the body during late adulthood? What is neural compensation?
determine if changes in the dose of thyroid replacement should be adjusted is the frequency of bowel movements.
The practical nurse (PN) is caring for a client who is experiencing overwhelming anxiety and difficulty performing sell care Which question.
A nurse is preparing to transfer a client who can bear weight on one leg from the bed to a chair. After securing a safe environment.
The note records writer's observations during the interaction (affect, mood, appearance) as well as any conclusions (client appeared tired)