How does persistence hunting work, as likely practiced by Homo erectus?Shooting arrows or throwing spears at prey from a distance.Chasing
How does persistence hunting work, as likely practiced by Homo erectus? Shooting arrows or throwing spears at prey from a distance. Chasing prey until it is exhausted. Camouflaging oneself and waiting for prey to get near. Setting traps in the wilde
When comparing the RLC circuit to the mass on a spring and to the pendulum, the resistor R plays the role of
Answer Role of Resistor R in RLC Circuit Compared to Mass-Spring and Pendulum body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; background-color: #f7f9fc; color: #2c3e50; line-
How are the elementary magnets aligned in the magnet in figure on the right? Hint: Justify your answer for the 2nd mark
Answer Alignment of Elementary Magnets in a Magnet body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; background-color: #f9fbff; color: #2c3e50; line-height: 1.7; padd
The Curiosity rover sent to explore the surface of Mars has an electric generator powered by heat from the radioactiv
The Curiosity rover sent to explore the surface of Mars has an electric generator powered by heat from the radioactive decay of 238Pu, a plutonlum isotope that decays by alpha emission with a halflife of 88 years. At the start of the mission, the ge
Manganese has one stable isolope, 15Mn. Part A What are the likely decay modes and doughter nuclei for 51Mn ? We expect the 51Mn
Manganese has one stable isolope, 15Mn.Part AWhat are the likely decay modes and doughter nuclei for 51Mn ?We expect the 51Mn to decay by beta-minus. The daughter nucleus is 11Cr.We expect the 51Mn to decay by beta-plus. The daughter nucleus is 51Fe
How would the equivalent dose change if ?9mm Tc emitted a beta ray of the same energy?View Available Hint(s)The equivalent dose would
Answer Radiation Dose Analysis – Tc-99m Emission Type & Body Mass Effect body { font-family: Arial, sans-serif; background-color: #f9fbfd; color: #333; line-height: 1.6; padding: 20px;
A 50 g of a metal absorbed 2000 J of heat energy which raised the temperature by 10°C. Calculate the specific heat capacity of the metal?A 50
Answer Hall Coefficient Calculation – Sodium and Copper body { font-family: Arial, sans-serif; background-color: #f4f9fb; color: #333; padding: 20px; line-height: 1.6; } h1, h2
Sarah worked her way up from dish washer to executive chef at a world-renowned restaurant. This is an example of horlzontal mobality.True False
Answer Social Mobility: Vertical vs Horizontal Mobility Explained body { font-family: Arial, sans-serif; background-color: #f2f7fb; color: #333; padding: 20px; line-height: 1.6; }
A power plant that produces 1.5 GW of electricity, the steam turbines take in steam at a temperature of 510°C, and the waste heat is expelled into
A power plant that produces 1.5 GW of electricity, the steam turbines take in steam at a temperature of 510°C, and the waste heat is expelled into the environment at 25°C. (a) What is the maximum possible efficiency of the plant? (b) Suppose you dev
Imagine some helium in a cylinder with an initial volume of 1 litre and an initial pressure of 1 atm. Somehow the helium is made to expand to a final
Imagine some helium in a cylinder with an initial volume of 1 litre and an initial pressure of 1 atm. Somehow the helium is made to expand to a final volume of 3 litres, in such a way that its pressure rises in direct proportion to its volume. (a) S