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A pipe open at both ends has a fundamental frequency of 250 Hertz when the temperature is 0°C.
(a) Evaluate what is the length of the pipe?
___________m
(b) Determine the fundamental frequency at a temperature of 30°C?
___________Hz
Two kids sit on a 3.0 meter long seesaw. Kid 1 is 50.0kg and kid 2 is 40.0kg. how far from the pivot on the right side should kid 1 sit to balance the seesaw
During open-heart surgery, a small current of 25 μA may cause ventricular fibrillation. Suppose the heart resistance to be 250 Ω, find the voltage level posing a hazard to the patient's health
27 g of copper pellets are removed from a 300 C oven and immediately dropped into 120 mL of water at 21C in an insulated cup. What will the new water temperature be?
A 1.65 kg bowling trophy is held at arm's length, a distance of 0.68 m from the shoulder joint. What is the magnitude of the torque applied by the trophy
from the top of a 75m building, a 1.00 kg ball is thrown downwards with initial velocity of 8.00 m/s. what is the mechanical energy lost due to air resistance
The rhinestones in costume jewellery are glass by index of refraction 1.50. To make them more reflective, they are often coated with a layer of silicon monoxide of index of refraction 2.00. What is the minimum coating thickness required to ensure tha..
If the dummy is thrown forward with force of 130.0 N while simultaneously being hit from the side with a force of 4500.0 N, illustrate what force will the sensor report?
A 30 g particle undergoes SHM with an amplitude of 2.0 mm and a maximum acceleration of magnitude 8.0 multiplied by 103 m/s2, determine the total mechanical energy of the oscillator
Two stationary positive point charges, charge 1 of magnitude3.40 nC and charge 2 of magnitude 2.00 nC, are separated with a distance of 45.0 cm. An electron is released from rest at the point midway among the two charges, and it moves along the line ..
A bag of cement of mass m is place on plank of length L. Bag is place distance L/4 from right end of plank. Plank has mass m. Determine how much must man nearest bag support
The Earth pulls down on you with a gravitational force that we call your weight. Do you pull up on the Earth with the same amount of force? Explain a few examples in which the force of friction exerted on an object is in the direction of motion of th..
A 6500 kg helicopter accelerates upward at 0.59 m/s2 while lifting a 1210 kg car. What is the lift force exerted by the air on the rotors?
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