Problem related to speed of arrow
An 83 g arrow is fired from a bow whose string exerts an average force of 95 N on the arrow over a distance of 81 cm. What is the speed of the arrow as it leaves the bow?
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Two forces are applied to the ring of a force table, one at angle of 20o , and the other at an angle of 80o . Regardless of magnitudes of forces, the equilibrant will be in the:
An elastic cord is 66 cm long when a weight of 57 N hangs from it but is 85 cm long when a weight of 85 N hangs from it. What is the "spring" constant k of this elastic cord?
An automobile with a mass of 940 kg goes around a curve with a radius of 64m.The coefficient of friction between the tires and the road is 0.700. What is the maximum speed with which the car can go around the curve ?
Use the graphical method to find the magnitude and direction of the third displacement.
If it takes a fish 0.20s to perform evasive action, ? Assume the fish is at the surface of the water.at what minimum height must it spot the pelican to escape
The loaded cab of an elevator has a mass of 2.8 x 103 kg and moves 223 m up the shaft in 26 s at constant speed. At what average rate does the force from the cable do work on the cab?
What term describes the layer of partly decayed plant matter at the top of the soil profile in most forested areas?
Describe the Z and T Test for comparing differences between means, Explain what is needed to perform each test, the process for each test, and what the results will tell a researcher.
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You are a social worker working with foster children. You are making a home visit to Katie, age nine, and her foster family.
Problem 1: Identify a specific theory of cognitive or moral development, and summarize the major assumptions.
Identify and discuss three ethical guidelines that are important to consider when designing an 8-week group for adolescents who are referred
Which of the following is a behavioral indicator related to Family? A) Developing school readiness and transition strategies B) Developing collaborative
Bearing in mind that there may be several, choose a social, behavioral, or cultural factor associated with your selected domestic violence
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Provide five (5) reasons why working from a person centred, strengths-based positive framework, and providing positive lifestyle strategies can reduce