How have scientists learned about extinct species?

Bridget is riding her bicycle up a hill. Which statements are correct? Check all that apply. Bridget is transferring energy to the bicycle. The bicycle is using energy to do work. Bridget has kinetic energy. The bicycle has potential energy.

If 10 J of work (electric potential energy) is used in pushing 2 C of charge into an electric field, its electric potential relative to its starting position is a. less than 5 V c. more than 20 V. d. 20 V

How is precipitation related to high - and low-pressure air? A.) Neither high - nor low-pressure systems lead to rain. B.) Low-pressure systems lead to rain. C.) High-pressure systems lead to rain. D.

A car and driver weighing 7130 N passes a sign stating ... ? "Bridge Out 32 m Ahead." She slams on the brakes, and the car decelerates at a constant rate of 13.8 m/s^2. The acceleration of gravity is 9.8 m/s^2.

If you had to lift a 100lb box 8 feet in the air, how would you? Cannot use electricity, a motor, or other people.

Two charges q1 and q2, that are distance d apart, repel each other with a force of 6.40 N. what would be the force between two charges q1 and = 2q and q2=3q, that are distance d apart?

How fast would a particle be traveling relative to an experimenter in order to have a measured mass that is 20 times its rest mass?

A 4148-kg truck traveling with a velocity of 12 m/s due east collides head-on with a 898-kg car traveling with a velocity of 40 m/s due west. The two vehicles stick together after the collision.

The Coriolis effect

Consider the video demonstration that you just watched. Which of the following changes would make it more likely for the ball to hit both the white can and the green can?