Suppose you hold a 12-cm3 block of aluminum and a 2.0-cm3 block of brass in your two hands. Which block has more mass?

Which of the following is a cause for limitations of scientific models? a. they are never based on experimentation. b. they are used for prediction. c. it is not possible to change scientific models. d. they are based on current knowledge.?

A motorcycle starts from a standstill. In 15 seconds it reaches a velocity of 20 m/s. What is the motorcycle's average acceleration?

Patterns of stars called constellations were first observed by he ancient Romans and Greeks. 1) True 2) False

Which statement (s) accurately describe the conditions immediately before and after the firecracker explodes: I. The total kinetic energy of the fragments is equal to the original kinetic energy of the firecracker. II.

Sebanyak 0,2 mol gas ideal berada dalam wadah yang volumenya 10 liter dan tekanan 1 atm. berapakah suhu gas tersebut

A train car has a mass of 10,000 kg and is moving at + 3.0 m/s. It strikes an identical train car that is at rest. The train cars combine. A train car has a mass of 10,000 kg and is moving at + 3.0 m/s.

A boy flies a kite with the string at a 30 degree angle to the horizontal. The tension in the string is 4.5N.

Using the first definition of coefficient of elasticity given in the lab (based on velocity), if a ball strikes a surface with a speed of 10 m/s and rebounds just after the collsion with a speed of 3 m/s, what is the coefficient of elasticity

1. Car A has a mass of 8,000 Kg and is traveling at 40 miles per hour. Car B has a mass of 10,000 Kg and is traveling at 40 miles per hour. Which car has more kinetic energy?

Explain how the formation of an undertow differs from the formation of a longshore current.