jane walks up the stairs and gains 1200J of potential energy. if she runs up the stairs in half the time what would be her gain in potential energy?

Which of the following choices best represents a potential stressor?

Which activity led to the formation of the Grand Canyon? deposition tsunami sedimentation erosion

You want to place a mirror at a blind turn on the staircase in your house. Which would be best suited for this purpose? a. flat mirror b. plane mirror c. convex mirror d. concave mirror

Suppose a star the size of our Sun, but of mass 9.0 times as great, were rotating at a speed of 1.0 revolution every 17 days.

What is the period of a satellite in a geosynchronous orbit?

Sara tells Michael she is 160 centimeters tall, while Michael says

Express 9.39 x 109 seconds in terms of days

What is the energy equivalent of 5.0 kg of mass? be sure to show all work to support your answer?

An ant carries food at a speed of 1 cm/s. How long will it take the ant to carry a cookie crumb from the kitchen table to the ant hill, a distance of 50 m? Express your answer in seconds, minutes and hours.

What must you know in order to determine the gravitational force between two objects?