Which of the following best explains velocity?

a. the speed of an object in motion

b. the speed and direction of an object in motion

c. only the change of direction of an object in motion

d. the direction of an object in motion

A biker is pedaling at a constant speed of 36 km/h. During the last 10 s of the race, he increases his speed with a constant acceleration of 0.5 m/s2. Calculate at which speed he crosses the finish line.

A man is riding his 4-wheeler at 60 km/hr. If he is riding it constantly at this rate for 1.5 hours, how far did he ride?

A bowling bowl is thrown off the top of a building. Determine distance the ball has fallen after falling for 3.0 s. Remember, the gravitational acceleration (g) is 9.8 m/s2. (Hint: d = ½gt2)

If a car on cruise control moves at a speed of 50 mi/hr for 3 hours, how far did they travel?

When you are passing a large truck, you need to make sure you can see a lot of pavement in front of the truck before you pull back in front of it?

A screwdriver with a 1-cm shaft and a 4-cm handle is used to tighten a screw. calculate the ideal mechanical advantage.

Plants make food through photosynthesis, a chemical reaction. What are the starting substances of the reaction?

How long will it take to travel 200,000 m traveling 100 m/s?

How does the planet Venus look to a person standing on the Earth? A. Venus looks like a small moon. B. Venus is bright like the Sun. C. Venus looks like a star. D. Venus cannot be seen from Earth.

Which statement is a description of Charles's law? The temperature and volume of a gas are directly proportional when pressure is constant. The temperature and volume of a gas are inversely proportional when pressure is constant.