A fixed mass of an ideal gas is heated from 50°C to 80°C (a) at constant volume and (b) at constant pressure. For which case do you think the energy required will be greater? Why?

What is the prerequisite for gravity to act?

The specific heat of Aluminum is 0.9 J/g K. How much heat is lost as a 100 gram sample of Aluminum is dropped into a beaker of water and its temperature drops from 100°C to 25°C?

A student argues that Pluto cannot be a trans-Neptunian object because Pluto is a planet, and trans-Neptunían objects include only minor bodies in the solar system. Is the student correct? A. Yes.

How do you best determine whether j/m2 and m*s2/N are equivalent units? Compare the written form of the units to see if they look the same. Notice that one unit contains joules and other newtons.

Which question could be answered using the process of scientific inquiry? Do cute mice find food quicker than less cute mice? How do mice know that they have to find food? Do mice like soda?

How much power is reqired to lift a 10-n box 2 meters

Dolphins and other sea creatures can leap to great heights by swimming straight up and exiting the water at a high speed. A 200 kg dolphin leaps straight up to a height of 7.8 m.

An example of renewable energy resource is ... A - uranium B - Wind C - natural gas

The power of a 1.5-volt alkaline cell varies with the number of hours of operation. A brand new D-cell can deliver as much as 13 A through a copper wire connected between terminals. Determine the power of a brand new D-cell.

You measure a watch's hour and minute hands to be 7.4 mm and 12.1 mm long, respectively. Part A In one day, by how much does the distance traveled by the tip of the minute hand exceed the distance traveled by the tip of the hour hand?