Un fir, de sectiune S = 5 mm patrati si lungime L0 = 32 cm, este intins de o forta. Stiind ca E = 3 * 10 la put 7 N/m patrat, sa se calculeze constanta elastica k a firului.

Why is no work done when you hold a book in place over your head?

What type of change is needed to break down a compound

Which of the following statements is correct? It is 11 a. m. in the Eastern Time Zone; therefore, it is 8 a. m. 12 p. m. 9 a. m. in the Pacific Time Zone. It is 3 p. m. in the Central Time Zone; therefore, it is 4 p. m. 2 p. m. 1 p. m.

Today earths magnetic field is losing approximately 7 percent of its strength every 100 years. If the strength of earth magnetic field at its surface is 0.5 gauss today, what will it be 100 years from now?

Which following is true off free falling object of different mass A. they have the same acceleration but different g value B. they have the same g value but different acceleration C. they experience the same force of gravity D.

Identify the possible source of earth's magnetic field

A nurse applies a horizontal force of 147 N on a bed that has a mass of 152 kg, The magnitude of the normal force acting on the bed is .967 N 5.00 N 1440 N 1490 N

What do scientists use to look at cells, tissues, and small organisms to see how their biological processes differ in space? vibration flybys airlock microgravity

Which of the following is a product of respiration resulting from the breaking of carbon-carbon bonds

A wagon is accelerating down a hill. which statement is true?