A school bus takes 20 minutes to reach school from your house. if the average velocity of the bus is 15.0 km/h to the west, the displacement from your house is:

A delivery man starts at the post office, drives 40 km north, then 20 km west, then 60 km northeast, and finally 50 km north to stop for lunch. use a graphical method to find his net displacement vector.

Which of the following statements is true? 1 Nitrogen leaves the atmosphere through precipitation. 2 Carbon dioxide is released into the atmosphere through plant leaves. 3 Carbon dioxide is inhaled by animals.

1) how will the total distance traveled by a car in 2 hours be affected if the average speed is doubled? 2) A spider is crawling on the wall. First it crawls 1 meter up, then 1meter left, and then 1meter down.

Matter is the ability to cause change.

A woman 5.5 ft walks at a rate of 6 ft/sec towards a street light that is 22 ft above the ground. At what rate is the length of her shadow changing when she is 15 ft from the base of the light?

Which of the following factors will negatively impact the rate of diffusion of a molecule? A short distance between two concentrations of the molecule A low difference in the concentration of the molecule across the media A warm environment

A sound wave has a frequency of 1,395 Hertz. All sound waves in air travel at 343 m/s. Find the wavelength of the sound wave. what's the answer?

Which factor will affect the light-gathering power of a telescope? A. change in the focal length B. change in the diameter of the objective C. change in the angle of the objective D. change in the elevation of the telescope E.

What is the acceleration of a 30.0-kg go kart if the thrust of its engine is 300.0 N?

Which of the following correctly compares a scientific investigation to a demonstration