A 2.5 kg ball rolls forward at 10.0 m/s. What is the ball's momentum?

Which of these best describes how the kinetic energy of carbon dioxide molecules change as the carbon dioxide is heated? Kinetic energy decreases. Kinetic energy increases. Kinetic energy increases, then decreases.

Some folded mountains result from the collision of continental plates. a. True b. False

A hot air balloon is rising vertically with a velocity of 10.0 feet per second. A very small ball is released from the hot air balloon at the instant when it is 960 feet above the ground. Use a (t) = -32 ft/sec2 as the acceleration due to gravity. 1.

Calculate the tension in qa horizontal string that whirls a 2-kg toy in a circle of radius 2.5 m when it moves at 3 m/s on an icy surface.

Select the correct statement about osmolarity. a) Osmolarity measures the moles of solute per liter of solution. b) The contents of an animal cell are hyperosmotic.

How much force would be needed to move a car with the mass of 100kg to an acceleration of 5m/s/s?

A pendulum bob is made from a sphere filled with water. What would happen to the frequency of vibration of this pendulum if the sphere had a hole in it that allowed the water to leak out slowly?

Elias serves a volleyball at a velocity of 16 m/s. The mass of the volleyball is 0.27 kg. What is the height of the volleyball above the gym floor when its total mechanical energy is 41.70 J? Round to the nearest number.

Which of the following is the best description of a graph? A. Equations that can be plotted B. A representation of an equation C. Independent and dependent variables D. x and y lines

Which of the following statements concerning Howard Gardner's multiple intelligences is not correct? A. Gardner is not interested in assessing levels of intelligence. B. Gardner has based his theory on research in various areas of psychology. C.