Which is a vector quantity speed or velocity

Use the particle model to draw a motion diagram for a bike rider riding at a constant pace. Use the lowercase "o" on the keyboard to represent the particle.

Assume that the light from the flashlight is light from a star. Identify the spot where the light from this "star" is most concentrated.

In a swimming race, miho swam the first 50m in42s. she swam the second 50m in40s. what was miho's average speed during the race?

Are fossil fuels used to produce plastics?

Although electric field is tangent to electric field lines, free charged particles do not necessarily move alone the field lines. Explain why not, and give a specific example illustrating your reasoning

A merry-go-round rotates with a centripetal acceleration of 15 m/s2. If the outer horses are 7 m from the center of the ride, what is their velocity? O A. 11.8 m/s O B. 10.2 m/s O O C. 9.6 m/s D. 8.4 m/s

Which is not a part of the walking mechanism of the human body? a rigid bar a fulcrum a resistance a gear

Based on the periodic table above, which of the following elements is a metal?

Car crosses the first third of the road with unknown speed and the rest of the road with the speed of 50 km/h. What is the the speed in the first third if the average speed of a car is 30km/h?

1. A car speeds up from 10.0 m/s to 45.0 m/s in 4.0 s. What is its acceleration? In your response, show your work, the given and unknown quantities, the equation, and any necessary algebra.