A train rolls to a stop along a horizontal track without the conductor applying the brakes. What answer choice BEST explains why this occurred?

an object travels a distance of 6 m in 2 seconds if average speed is found using the equation distance traveled / elapsed time what is the average speed of the object be sure to include units in your answer

Which two variables have an effect on the electrical force between two electrically charged objects like two balloons?

Estimate and determine the order of magnitude of the circumference of the Earth in miles and the speed of a sailboat in miles per hour. The Earth's circumference is 10^4 mile and the the speed of a sailboat is 10^1 mile/hour.

A ball is thrown horizontally from a cliff at a speed of 10 m/s. Calculate its speed one second later (be sure to show your math steps)

True or False. Electromagnetic waves are classified as longitudinal waves.

A potter's wheel of radius 16 cm starts from rest and rotates with constant angular acceleration until at the end of 32 s it is moving with angular velocity of 10 rad/s. what is the angular acceleration? answer in units of rad/s 2.

The froghopper, Philaenus spumarius, holds the world record for insect jumps. When leaping at an angle of 58.0∘ above the horizontal, some of the tiny critters have reached a maximum height of 58.7 cm above the level ground.

Design an experiment (Fair Test) to find out what would be a good insulator for a dog house.

Which of these changes does a submarine encounter as it returns from the bottom of the ocean to the surface of the ocean? a. the amount of sunlight increases. b. the water temperature decreases. c. the amount of plants decreases. d.

Why do some elements have symbols that don't use letters in the element's name?