An athlete is running at a constant velocity with a javelin held in his right hand. the force he is applying on thejavelin as he carries it is 5.0newtons. if he covers a distance of 10 metrs, what work has he done on the javelin?.

Which lists the correct steps that occur when using a diffraction grating to bend light?

Ions that carry a positive charge are called a. anions b. cations c. mineralytes d. valence ions

Which is true of the buoyant force? It acts with the force of gravity. It acts in the downward direction. It makes an object feel heavier. It acts in the upward direction.

Which of the following is the best term to describe independent variables in an experiment? A. Manipulated variable B. Responding variable C. Control variable D. Quantities that vary independently of time

A truck slows down. Which claim about the forces acting on the truck must be true? Choose 1 answer: Choose 1 answer: (Choice A) A There are no forces on the truck. (Choice B) B There is no net force on the truck.

How does the brightness of a bulb tell you about the energy of electrons passing through it?

Why do you think sound travels faster in steel than it does in wood? (Hint: Think about the densities of the two materials, and how the particles might be arranged.)

On which body would a 100kg man have the least gravitational potential energy when lifted to a height of 3 meters

Which of the following factors can negatively affect development? a. Political corruption and instability b. Lack of resources c. Lack of education d. All of the above

A golf ball is hit with an initial velocity of 155 ft/s at an angle of 23 degrees with the horizontal. After 1.4 seconds, how far has the golf ball traveled horizontally and vertically?. a. 199.7 feet horizontally and 75.2 feet vertically. b. 60.