Anne rode 3000 m east. She then turned and rode 2000 m to the west in 1000 seconds. What was her velocity?

What causes acceleration (will upvote on every answer)

An object that is moving must have a change in A) its speed. B) its position. C) its acceleration. D) its applied force.

A 75-kilogram bicyclist coasts down a hill at a constant speed of 12 meters per second. What is the kinetic energy of the bicyclist? (1) 4.5 * 10^2 J (3) 5.4 * 10^3 J (2) 9.0 * 10^2 J (4) 1.1 * 10^4 J

A 35.2-g sample of an alloy at 93.0°C is placed into 219 g of water at 22.0°C in an insulated coffee cup. Assume that no heat is absorbed by the cup. If the final temperature of the system is 31.

When lava cools, what type of Rock forms?

You pull on a wagon resting on the sidewalk. What will happen next. A. The wagon does not move because the wagon applies more force to you than you apply to the wagon. B. The wagon moves because you apply more friction to the ground. C.

If someone travels 3000 feet in one second, how far will it travel in 18 minutes

How long did it take to reload a rifle during the 18th 19 century?

Oil flows upward in the wick of a lantern because of the liquid property called A. meniscusity. B. capillarity. C. density. D. viscosity.

A high-mass star has more "fuel" than a low-mass star. which lives longer? why?