Air-track glider attached to a spring
An air-track glider attached to a spring oscillates with a period of 1.50 s. At t=0 s the glider is 5.50 cm left of the equilibrium position and moving to the right at 39.9 cm/s.
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If a pentapeptide was found having the amino acidsPhe,Gly,Met,Ala, and Ser. N-terminal analysis yielded the PTH derivative of alanine. Partial hydrolysis of the pentapeptideyielded the dipeptides Gly-Ser, Ala-Gly, and Ser-Met. What is the peptide
A man in a bosun chair dangles from a massless rope, which runs over a massless, frictionless pulley and back down to the man's hand. Combined mass of the man and chair is 95.0 kg.
A 0.4-kg object is traveling to the right (in the positive direction) with a speed of 2 m/s. After a 0.2 s collision, the object is traveling to the left at 3 m/s. What is the magnitude of the impulse (in N-s) acting on the object? The answer must
The objects volume is determined by displacement of water in a 100mL measuring cylinder (±5%): the volume reading before the object is immersed is 52.4mL, and after immersion the reading is 85.7mL.
Ammonium chloride , NH4, is a very soluble salt . 300g of ammonium chloride is dissolved in 600 ml of what . What is the molar concentration of the solution?
Consider a sequence of independent Bernoulli trials with p=0.34. What is the expected number of trials to obtain the first success?
The element indium exists naturally as two isotopes.113In has a mass of 112.9043 amu, and 115In has a mass of 114.9041 amu. The average atomic mass of indiumis 114.82 amu. Calculate the percent relative abundance of two isotopes of indium.
In a clinical study, volunteers are tested for a gene that has been found to increase the risk for a disease. The probability that a person carries the gene is 0.1.
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Most primates have good color vision. According to the video, color vision is particularly important to howler monkeys (genus: Alouatta) because
A wildlife conservation organization introduced a program to protect an endangered bird species by restricting human activity in certain areas
Discuss how agonal changes can affect the postmortem condition of the body. State the order of decomposition of body compounds
Problem 1: What are three characteristics of fungi? Problem 2: What is hyphae and mycelium? Problem 3: What are the characteristics of division Ascomycota?