world class speed skaters can skate a 3,000 meter course in about 4 minutes. what is their average speed for this course?

The absorption of the same amount of energy by heat flow will cause equal mass samples of different materials to change their temperature by the same amount. True or False

The equation for impulse is I = Ft, where I is impulse, F is force, and t is time. The units for impulse are N. s. a. what is the impulse when there is a force of 30 N for a time of 4 seconds? b. What is the force when there is an impulse of 18 N.

The speed of sound in liquids, gases, and solids is as follows, from fastest to slowest a Gas, liquid, solid b - Liquid, solid, gas c - Solid, liquid, gas

Ocean bulges are caused by the area between bulges of water in the ocean is called

A car travels a distance of 80 km. for the first 30 minutes it is driven at a constant speed of 80 km/hr. the motor begins to vibrate and the driver reduces the speed to 40 km/hr for the rest of the trip. the average speed for the entire trip is?

I am looking for this answer : Which shows a correct order of steps in the scientific method? develop a hypothesis, analyze data, make observations, draw conclusions make observations, draw conclusions, develop a hypothesis, analyze data.

A gas in a piston is compressed doing - 439 j of work, and its internal energy increases by 318 j. how much heat flows? (be careful with + and -. + w = expansion. + q = added, + u = temp goes up) (unit = j)

A loop of wire is placed in a uniform magnetic field. (a) For what orientation of the loop is the magnetic flux a maximum? The plane of the loop is perpendicular to the magnetic field. The plane of the loop is parallel to the magnetic field.

Dr. Arenas is a scientist who has been trying to determine if increasing pressure will increase the sound that occurs when two chemicals explode.

Stephen buys a new mop he travels 3 km south and the. 4 km east and then 3km north how far does he need to go to get back. To where he started